1662/1663/1664 FC
Electrical Installation Tester
Users Manual
October 2015, Rev. 1, 4/16
© 2015-2016 Fluke Corporation. All rights reserved.
Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
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LIMITED WARRANTY AND LIMITATION OF LIABILITY
Each Fluke product is warranted to be free from defects in material and workmanship
under normal use and service. The warranty period is three years and begins on the date
of shipment. Parts, product repairs, and services are warranted for 90 days. This warranty
extends only to the original buyer or end-user customer of a Fluke authorized reseller,
and does not apply to fuses, disposable batteries, or to any product which, in Fluke's
opinion, has been misused, altered, neglected, contaminated, or damaged by accident or
abnormal conditions of operation or handling. Fluke warrants that software will operate
substantially in accordance with its functional specifications for 90 days and that it has
been properly recorded on non-defective media. Fluke does not warrant that software will
be error free or operate without interruption.
Fluke authorized resellers shall extend this warranty on new and unused products to enduser customers only but have no authority to extend a greater or different warranty on
behalf of Fluke. Warranty support is available only if product is purchased through a Fluke
authorized sales outlet or Buyer has paid the applicable international price. Fluke reserves the right to invoice Buyer for importation costs of repair/replacement parts when
product purchased in one country is submitted for repair in another country.
Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price,
free of charge repair, or replacement of a defective product which is returned to a Fluke
authorized service center within the warranty period.
To obtain warranty service, contact your nearest Fluke authorized service center to obtain
return authorization information, then send the product to that service center, with a description of the difficulty, postage and insurance prepaid (FOB Destination). Fluke assumes no risk for damage in transit. Following warranty repair, the product will be returned to Buyer, transportation prepaid (FOB Destination). If Fluke determines that failure
was caused by neglect, misuse, contamination, alteration, accident, or abnormal condition
of operation or handling, including overvoltage failures caused by use outside the product’s specified rating, or normal wear and tear of mechanical components, Fluke will provide an estimate of repair costs and obtain authorization before commencing the work.
Following repair, the product will be returned to the Buyer transportation prepaid and the
Buyer will be billed for the repair and return transportation charges (FOB Shipping Point).
THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF
ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT,
INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF
DATA, ARISING FROM ANY CAUSE OR THEORY.
Since some countries or states do not allow limitation of the term of an implied warranty,
or exclusion or limitation of incidental or consequential damages, the limitations and exclusions of this warranty may not apply to every buyer. If any provision of this Warranty is
held invalid or unenforceable by a court or other decision-maker of competent jurisdiction,
such holding will not affect the validity or enforceability of any other provision.
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Table of Contents
Title Page
Introduction ................................................................................ 1
How to Contact Fluke ................................................................. 1
Safety ......................................................................................... 2
Features and Accessories .......................................................... 5
Operation ................................................................................... 8
Safety Features ...................................................................... 8
Touch Pad ........................................................................... 8
Live Circuit Detection .......................................................... 8
Earth Resistance Measurement .......................................... 8
Safety Pretest ...................................................................... 8
Mains Wiring Indicator ......................................................... 9
Quick Start .............................................................................. 9
How to Use the Rotary Dial ................................................. 9
Push Buttons ....................................................................... 11
Display ................................................................................ 13
Input Terminals ................................................................... 17
Error Codes ......................................................................... 18
Power-On Options ............................................................... 20
How to Zero the Test Leads ................................................ 22
Safety Pretest for Insulation Resistance Measurements ..... 26
Measurements............................................................................ 28
Volts and Frequency Measurements ...................................... 28
Insulation Resistance Measurements ..................................... 29
Continuity Measurement ......................................................... 32
Loop/Line Impedance Measurements ..................................... 34
Loop Impedance (Line to Protective Earth L-PE) ................ 34
Loop Impedance (High-Current Trip Mode)......................... 37
Loop Impedance in IT System Measurement ...................... 39
Line Impedance ................................................................... 39
RCD Tripping Time Measurements ........................................ 42
Custom RCD Setting – Var mode ....................................... 46
RCD Tripping Time in Auto mode ....................................... 46
RCD Tripping Current Measurements .................................... 48
RCD Tests in IT Systems ....................................................... 52
Phase Rotation Tests ............................................................. 54
Earth Resistance Measurements ............................................ 55
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1662/1663/1664 FC
Users Manual
Applications ............................................................................... 57
How to Test a Mains Socket and Ring Installation ................. 57
Earth Resistance Test by Loop Method ................................. 58
Zmax ...................................................................................... 59
Auto Start ............................................................................... 60
Loop Impedance Test with 10 mA RCD ................................. 60
Auto Test Sequence (1664 FC) .............................................. 61
Memory Mode ............................................................................ 63
Store a Measurement ............................................................. 65
Recall a Measurement ........................................................... 65
Clear Memory ......................................................................... 66
Memory Error Message .......................................................... 66
Download Test Results .............................................................. 67
Fluke Connect Wireless System ................................................ 68
Maintenance .............................................................................. 69
How to Test the Fuse ............................................................. 70
How to Test the Battery .......................................................... 70
Battery Replacement .............................................................. 70
Specifications ............................................................................. 73
General Specifications ........................................................... 73
Maximum Display Values ....................................................... 75
Electrical Measurement Specifications ................................... 80
Operating Ranges and Uncertainties per EN 61557 .............. 88
Operating Uncertainties per EN 61557 ................................... 89
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List of Tables
Table Title Page
1. Symbols ..................................................................................... 4
2. Features ..................................................................................... 5
3. Standard Accessories ................................................................ 6
4. Country-Specific Mains Cords .................................................... 7
5. Rotary Dial ................................................................................. 10
6. Push Buttons .............................................................................. 11
7. Display Features ........................................................................ 13
8. Input Terminals........................................................................... 17
9. Error Codes ................................................................................ 18
10. Power-On Options ...................................................................... 20
11. Volts Display/Dial and Terminal Settings .................................... 28
12. Insulation Resistance Display/Dial and Terminal Settings .......... 30
13. Continuity Zero Display/Dial and Terminal Settins ................... 33
14. Loop/Line Imdance/Dial and Terminal Settings ...................... 35
15. Line Impedance Test Display Dial and Terminal Settings .......... 40
16. RCD Tripping Time Display/Dial and Terminal Settings ............. 44
17. RCD Tripping Current/Dial and Terminal Settings ...................... 49
18. Earth Resistance Display/Dial and Terminal Settings ................ 56
19. Auto Test Settings ...................................................................... 62
20. Replacement Parts ..................................................................... 69
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List of Figures
Figure Title Page
1. Lead Swapping Modes ............................................................... 22
2. Zero Display ............................................................................... 24
3. Country-Specific Zero Adapter Configurations ........................... 25
4. Connection for Safety Pretest .................................................... 26
5. Display for Safety Pretest ........................................................... 27
6. Loop Impedance Test in IT System ............................................ 39
7. 3-Phase System Measurement .................................................. 42
8. Connection for RCD Test on IT Electrical Systems .................... 52
9. Single Test Lead Configuration .................................................. 53
10. Phase Rotation Test Connection ................................................ 54
11. Phase Rotation Display .............................................................. 54
12. Earth Resistance Test Connection ............................................. 55
13. 3-Wire Connection for Earth Resistance Loop Test ................... 58
14. 2-Wire Connection for Earth Resistance Loop Test
(High-Current Trip Mode) ........................................................... 59
15. Memory Mode ............................................................................ 64
16. IR Serial Cable Attachment ........................................................ 67
17. Battery Replacement .................................................................. 72
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Introduction
The Fluke 166X Series (the Tester or Product) are battery-powered electrical
installation testers. This manual applies to all 1662, 1663, and 1664 FC models.
All figures show the Model 1664 FC.
These Testers measure and test:
• Voltage and Frequency
• Insulation Resistance (EN61557-2)
• Continuity (EN61557-4)
• Loop/Line Resistance (EN61557-3)
• Residual Current Devices (RCD) Tripping Time (EN61557-6)
• RCD Tripping Current (EN61557-6)
• Phase Rotation (EN61557-7) 1663 and 1664 FC only
• Earth Resistance (EN61557-5)
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1662/1663/1664 FC
Users Manual
Safety
See Table 1 for a list of symbols used on the Product and in this manual.
A Warning identifies hazardous conditions and procedures that are
dangerous to the user.
A Caution identifies conditions and procedures that can cause damage to
the Product or the equipment under test.
XW Warnings
To prevent possible electrical shock, fire, or personal injury:
• Use the Product only as specified, or the protection
supplied by the Product can be compromised.
• Carefully read all instructions.
• Read all safety information before you use the Product.
• Do not use the Product around explosive gas, vapor, or
in damp or wet environments.
• Comply with local and national safety codes. Use
personal protective equipment (approved rubber gloves,
face protection, and flame-resistant clothes) to prevent
shock and arc blast injury where hazardous live
conductors are exposed.
• Do not use the Product in distribution systems with
voltages >550 V.
• Use Product-approved measurement category (CAT),
voltage, and amperage rated accessories (probes, test
leads, and adapters) for all measurements.
• The battery door must be closed and locked before you
operate the Product.
• Examine the case before you use the Product. Look for
cracks or missing plastic. Carefully look at the insulation
around the terminals.
• Do not use test leads if they are damaged. Examine the
test leads for damaged insulation and measure a known
voltage.
• Do not touch voltages >30 V ac rms, 42 V ac peak, or
60 V dc.
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Electrical Installation Tester
Safety
• Use the correct terminals, function, and range for
measurements.
• Do not apply more than the rated voltage between the
terminals or between each terminal and earth ground.
• Do not exceed the Measurement Category (CAT) rating of
the lowest rated individual component of a Product,
probe, or accessory.
• Keep fingers behind the finger guards on the probes.
• Measure a known voltage first to make sure that the
Product operates correctly.
• Replace the batteries when the low battery indicator
shows to prevent incorrect measurements.
• Remove all probes, test leads, and accessories before
the battery door is opened.
• Be sure that the battery polarity is correct to prevent
battery leakage.
• Repair the Product before use if the battery leaks.
• Have an approved technician repair the Product.
• Use only specified replacement parts.
• Replace a blown fuse with exact replacement only for
continued protection against arc flash.
• Do not operate the Product with covers removed or the
case open. Hazardous voltage exposure is possible.
• Disable the Product if it is damaged.
• Do not use the Product if it is damaged.
• Remove the input signals before you clean the Product.
• Use only current probes, test leads, and adapters
supplied with the Product.
• Remove test leads from the Product before the case is
opened.
• Do not use in CAT III or CAT IV environments without the
protective cap installed. The protective cap decreases
the possibility of arc flash caused by short circuits.
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1662/1663/1664 FC
Users Manual
Table 1. Symbols
Symbol Description
W
X
T
, / -
P
)
~
WARNING. RISK OF DANGER.
WARNING. HAZARDOUS VOLTAGE. Risk of electric shock.
Consult user documentation.
Fuse
Double Insulated
Earth
WARNING. Do not apply >550 Volts.
Battery Status
Measurement Category III is applicable to test and measuring circuits
connected to the distribution part of the building’s low-voltage MAINS
installation.
Measurement Category IV is applicable to test and measuring circuits
connected at the source of the building’s low-voltage MAINS installation.
Conforms to European Union directives.
Certified by CSA Group to North American safety standards.
Conforms to relevant Australian EMC standards.
Certified by TÜV SÜD Product Service.
This product complies with the WEEE Directive marking requirements.
The affixed label indicates that you must not discard this
electrical/electronic product in domestic household waste. Product
Category: With reference to the equipment types in the WEEE Directive
Annex I, this product is classed as category 9 "Monitoring and Control
Instrumentation" product. Do not dispose of this product as unsorted
municipal waste.
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Electrical Installation Tester
F eatures and Accessories
Features and Accessories
Table 2 is a list of features by model number.
Table 2. Features
Measurement Function 1662 1663 1664 FC
Voltage & Frequency
Wiring polarity checker
Insulation Resistance • • •
Insulation safety pretest •
Continuity & Resistance with auto polarity swap
Continuity & Resistance with 10 mA
Continuity & Resistance, choose input terminals
with
.
Zmax memory
Loop & Line Resistance • • •
Loop & Line Resistance–mH resolution •
Prospective Earth Fault Current (PEFC/IK) Prospective
Short-Circuit current (PSC/I
RCD tripping time
RCD tripping level (ramp test) • • •
RCD variable current
Automatic RCD test sequence • • •
Test pulse current sensitive RCDs (Type A) • • •
Test smooth dc sensitive RCDs (Type B)
Earth Resistance
Phase Rotation Indicator
Auto test sequence
Self-test
Illuminated Display • • •
Fluke Connect™ Wireless System
Memory and Computer Interface
Fluke DMS Software (optional accessory) • • •
Fluke FVF Software (optional accessory) • • •
Fluke Connect™ smartphone app
Hard case • • •
Remote control probe • • •
Zero Adapter
)
K
Other Features
Memory, Interface
Included Accessories
• • •
• • •
• • •
• • •
• •
• •
• • •
• • •
• • •
• •
• •
• • •
•
• • •
• • •
•
• • •
•
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1662/1663/1664 FC
Users Manual
The Product is delivered with the items listed in Table 3. If the Product is
damaged or an item is missing, contact the place of purchase immediately.
Table 3. Standard Accessories
Description
TP165X Test Probe with Remote Test
Button
Country-Specific Mains Test Cord
TL-L1, Test Lead, Red
TL-L2, Test Lead Green
TL-L3, Test Lead Blue
Probe, Test, Banana Jack, 4 mm Tip,
Red
Probe, Test, Banana Jack, 4 mm Tip,
Green
Probe, Test, Banana Jack, 4 mm Tip,
Blue
102-406-003, Probe cap,GS-38 Red
102-406-002, Probe cap,GS-38 Green
102-406-004, Probe cap,GS-38 Blue
1662 EU
1663/1664 FC EU
1662 UK
• • • •
• • • •
• •
• •
• •
• •
• •
• •
• •
• •
• •
2044945
2044950
2044961
2099044
2065297
2068904
1942029
2065304
2068919
Part Number
1663/1664 FC UK
2107742
See Table 4
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Electrical Installation Tester
Operatio n
Table 3. Standard Accessories (cont.)
Description
AC285-5001,175-276-013 AC285 Large
alligator clip, Red
AC285-5001-02,175-276-012 AC285
Large alligator clip, Green
AC285-5001-03,175-276-0114 AC285
Large alligator clip, Blue
Fused Probe Set, Red/Blue/Green with
Lantern Spring, Cap, and Tip Cover
CD ROM, Users Manual
Quick Reference Guide
Tool Box (Hard Case with foam insert)
Carrying Strap, Padded
Fluke Zero Adapter
1662 EU
1663/1664 FC EU
1662 UK
• •
• •
• •
2041727
2068133
2068265
• •
• • • •
• • • •
• • • •
• • • •
• • • •
Part Number
1663/1664 FC UK
3989868
4477435
4477545
4688513
4502043
3301338
Table 4 is a list of the country-specific mains cords.
Table 4. Country-Specific Mains Cords
Mains Cord Plug Type Part Number
British BS1363 4601070
Schuko CEE 7/7 4601081
Denmark AFSNIT 107-2-DI 4601129
Australia/New Zealand AS 3112 4601118
Switzerland SEV 1011 4601107
Italy CEI 23-16/VII 4601096
USA NEMA 5-15 4601134
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1662/1663/1664 FC
Users Manual
Operation
The Product is easy to use. The rotary dial clearly indicates the selected
function. Push buttons help you to quickly modify the test settings. The
large display with backlight shows the test results in clear symbols on a
one-level menu.
Safety Features
Safety and performance are two of the most critical requirements for any
electrical system. Good quality insulation, a properly working grounding
system, and active protection assure the safety of people, electrical
systems and buildings. These factors protect them against electrocution,
fire, and other equipment damage.
Touch Pad
The button is surrounded by a touch pad (see Table 6). The touch pad
measures the potential between the operator and the PE terminal on the
Tester. If the touch pad potential exceeds 100 V, the W symbol above the
touch pad is lit, the PE annunciator in the display is lit, and the beeper
sounds.
Live Circuit Detection
For continuity and insulation resistance measurements, the Product inhibits
the test if the terminal voltage detected is >30 volts ac/dc before the test
starts. The beeper sounds continuously if this voltage is present.
Earth Resistance Measurement
The Product inhibits the test if >10 volts is detected between the test rods.
More information about Earth Resistance measurements is on page 55.
Safety Pretest
The 1664 FC model includes a Safety Pretest feature that detects any
appliances connected to the circuit under test. The Safety Pretest gives
you a warning before you start a test and prevents damage to appliances
from the test voltage. More information about Safety Pretest is on page 26.
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Electrical Installation Tester
Operatio n
Mains Wiring Indicator
Icons (, b, c) indicate if L-PE or L-N terminals are reversed.
Instrument operation is inhibited and an error code is generated if the input
voltage is not between 100 V and 500 V. The UK Loop and RCD tests are
inhibited if the L-PE or the L-N terminals are reversed.
When a high voltage is measured between two wires, shows on the
display. See How to Test a Mains Socket and Ring Installation for more
information.
Quick Start
This section is information that introduces you to the controls and inputs of
the Tester. You will also find information about functions that apply globally
as you use the Tester.
How to Use the Rotary Dial
Use the rotary dial (see Table 5) to select the test type.
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1662/1663/1664 FC
Users Manual
Table 5. Rotary Dial
2
1
10
Item Symbol Measurement Function
V Volts
Insulation resistance
Continuity
3
89
4
5
6
7
hwl013f.eps
10
j
*
Loop/line impedance — No trip mode
Loop/line impedance — High-current trip mode
RCD tripping time
RCD tripping level
Phase rotation
Earth resistance (1663 and 1664 FC only)
Auto Test (1664 FC only)
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Electrical Installation Tester
Operatio n
Push Buttons
Use the push buttons (Table 6) to control operation of the Tester, select
test results to view, and scroll through selected test results.
Table 6. Push Buttons
Item
8
7
Push
Button
9
6
1664 FC only – Turn on the radio for Fluke Connect. Press
1
2
5
Description
3
4
for >1 s to turn off the radio.
hwl012f.eps
Go to/exit Memory mode.
Adjust function settings. See specific test instructions for
more information.
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Users Manual
Table 6. Push Buttons (cont.)
No.
Push
Button
A
W
Description
Use the up/down button to select features on the display.
See specific test instructions for more information.
Turn on and turn off the Tester. The Tester turns off
automatically when inactive for >10 minutes.
Turn on and turn off the backlight.
Starts the selected test.
Touch Pad. The button is surrounded by a touch pad.
Always contact the touch pad before
The touch pad measures the potential between the operator
and the Tester’s PE terminal, except in phase rotation.
.
Voltage warning. If the touch pad potential is >100 V, the
W symbol above the touch pad illuminates, the PE
annunciator in the display is lit, and the beeper sounds.
RCD and Loop tests will be inhibited. Not valid when
measuring phase rotation.
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Electrical Installation Tester
Operatio n
Display
Table 7 is a list of the display features.
Table 7. Display Features
252724
26
1
2
3
4
23
22
21
20
19
18
17
16
15
14
5
6
7
8
9
1210 1311
Item Annunciator Definition
D
E
F
settings
settings
settings
PE
settings
Function varies. See specific test instructions for
more information.
Function varies. See specific test instructions for
more information.
Function varies. See specific test instructions for
more information.
Function varies. See specific test instructions for
more information.
Illuminates only when the touch pad is touched to
indicate that the PE input carries a high voltage
(>100 V).
Turns on when you press the Test button. Turns off
when the test is complete.
hwl020.eps
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Users Manual
Table 7. Display Features (cont.)
Item Annunciator Definition
Safety Pretest has detected a connected
G
H
Name of the secondary measurement function:
+
W
PSC
I
PEFC
Zmax
K
appliance and stopped the test. See Insulation
Resistance Measurements for more information.
Risk of danger. Appears when an error occurs.
Test is disabled. See Table 9 for a list and
explanation of possible error codes.
Line impedance (line to neutral).
Z
I
Test voltage for insulation test.
UN
Prospective Short Circuit. Calculated from
measured voltage and impedance when reading
line to neutral.
Fault voltage. Measures neutral to earth.
UF
Prospective Earth Fault Current. Calculated from
voltage and loop impedance that is measured line
to protective earth.
In combination with the PSC or PEFC symbol,
IK
indicates a short circuit current.
Recorded maximum value of chosen loop test.
Earth resistance
RE
Appears when the Tester is overheated. The Loop
test and RCD functions are inhibited when the
Tester is overheated.
K
More results are available. Use
the results.
to scroll through
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Electrical Installation Tester
V
Operatio n
Table 7. Display Features (cont.)
Item Annunciator Definition
Secondary display. A test can return more than
L
one result or return a computed value based on
the test result. See specific test instructions for
more information.
M
N
O
H±
kA
Hz
h
,
Measurement units for Secondary display.
Memory locations. See Memory Mode for detailed
information on how to use the memory locations.
Battery status. See How to Test the Battery and
Battery Replacement sections for additional
information on batteries and power management.
P
Q
R
S
T
ms
mV
Shows when you press .
Shows when you press and look at stored
data.
Memory locations. See Memory Mode for detailed
information on how to use the memory locations.
Measurement units for primary display.
mA
MH±
mH
Primary display.
Indicates the preset fault voltage limit. The default
setting is 50 V. Some locations require the fault
voltage be set to 25 V, as specified by local
electrical codes.
15
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Users Manual
Table 7. Display Features (cont.)
Item Annunciator Definition
U
V
W
X
Y
RCD
e/d
C
Indicates the selected rotary dial setting. The
measurement value in the primary display also
corresponds to the dial setting.
Indicates that the measured trip current (trip
current test) or the measured trip time (trip time
test) meets the appropriate RCD standard. For
more information, see the RCD Tripping Time
table in the Specifications section of this manual.
Terminal indicator symbol (e). A terminal indicator
symbol with a dot (
terminal is required for the selected function. The
terminals are:
• L (Line)
• PE (Protective Earth)
• N (Neutral)
Arrows above or below the terminal indicator
symbol indicate reversed polarity. Check the
connection or check the wiring to correct.
An “X” through the terminal indicator symbol
indicates that the wire, test lead, and/or installation
wire are broken.
High voltage present.
Data exchange with PC in process.
d) in the center indicates the
Appears when the leads are successfully zeroed.
After the zeroing procedure, the icon illuminates to
Z
a
indicate that the zero value is stored for the
selected input terminals. Only used for continuity or
loop tests.
Radio is turned on. If blinks steadily, 1664 FC
is searching to connect. If it blinks at 5 s intervals,
1664 FC is connected to the Fluke Connect app.
For more information about Fluke Connect, see
page 68.
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Electrical Installation Tester
Operatio n
Input Terminals
Table 8 shows the input terminals.
XW Warning
To prevent possible electrical shock, fire, or personal injury,
do not use test leads in CAT III or CAT IV environments
without the protective cap installed. The protective cap
decreases the exposed probe metal to <4 mm. This
decreases the possibility of arc flash from short circuits.
Table 8. Input Terminals
1
3
4
2
Item Description
hwl021f.eps
D
The IR (infrared) port allows you to connect the Tester to a computer and
download the test data with a Fluke PC software product. With the
software, you can collect, organize, and display the test data in a format
that meets your needs. See Download Test Results for additional
information on using the IR port.
IR Port
L/L1/H (Line)
PE/L2/E (Protective Earth)
N/L3/S (Neutral)
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Users Manual
Error Codes
Various error conditions are detected by the Tester and are indicated with
W, Err, and an error code on the primary display. See Table 9. These
error conditions disable or stop the test.
Table 9. Error Codes
Error Condition Code Solution
Return the Tester to a Fluke Service Center.
Secondary display shows additional code:
1: Unable to communicate with Analog board
2: Analog board operating variables errors
Self-Test Fails 1
Over-Temp 2 Wait while the Tester cools down.
4: Fuse 1 error
8: Fuse 3 error (display shows FUSE)
16: Analog board ID does not match expected value
32: Digital flash CRC fault
64: Analog flash CRC fault
apx032f.eps
18
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Electrical Installation Tester
Operatio n
Table 9. Error Codes (cont.)
Error Condition Code Solution
Fault Voltage 4
Excessive Noise 5
Excessive Probe
Resistance
Data Memory 9
Check the voltage between N and PE. RCD, socket
is exceeded. Loop test no trip >10 V.
test, U
L
Turn off all appliances (Loop, RCD measurements) or
move the earth stakes (earth measurement).
Put the stakes deeper into the soil. Tamp down the
6
soil directly around the stakes. Pour water around the
stakes but not at the earth ground under test.
The data memory is inconsistent. Download and save
all data to a PC and clear all memory in the Tester. If
the error persists, return the Tester to a Fluke Service
Center.
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1662/1663/1664 FC
Users Manual
Power-On Options
To select a power-on option, press and the function push button
simultaneously and then release . See Table 10 for a description of the
options. Power-on options are retained when the Tester is turned off.
Table 10. Power-On Options
Push
Button
Power-On
Option
Firmware
Version
IT mode
toggle
Line and
Neutral
Swap mode
toggle
Description
Turn on the Tester and press for >3 s. The firmware
version shows when you release .
In IT mode, a loop test or an RCD test is allowed even if
the voltage N-PE is higher than 25 V / 50 V. The default
setting is IT OFF.
Configure the Tester to operate in L-n mode or L-n n-L
mode, see Figure 1.
• In L-n mode, the L and N phase conductors must
NEVER be reversed. This is a requirement in the UK
and other regions. The b icon appears on the
display to indicate that the system L and N conductors
are swapped and the test is inhibited. Investigate and
rectify the cause of this system fault before you
continue. L-n mode also changes the RCD x1/2 trip
time duration to 2000 ms. for UK requirement.
• In L-n n-L mode, the unit allows the L and N phase
conductors to be swapped and tests will continue.
Note
In locations where polarized plugs and outlets are
used, a swapped lead icon (b) may indicate
that the outlet was wired incorrectly. Correct this
problem before you continue with any tests.
The default setting in the UK is L-n. Elsewhere, the default
setting is L-n n-L.
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Electrical Installation Tester
Operatio n
Table 10. Power-On Options (cont.)
Push
Button
A
Power-On
Option
Fault voltage
limit
Serial
Number
Continuity
beeper
Auto Start
0 Hz/128 Hz
Description
Toggles the fault voltage between 25 V and 50 V. The
default setting is 50 V.
Primary display shows the initial four digits and the
secondary display shows the next three digits.
Turn on and turn off the beeper. The default setting is
bEEP on.
Automatic test start toggle. Simultaneously press and
the UP cursor. When turned on, the unit starts an RCD or
loop test if mains voltage is detected. You do not need to
press . The default setting is AUSt oFF.
No Trip Loop test measurement frequency toggle.
Simultaneously press and the DOWN cursor. Use
0 Hz if the RCD under test has high impedance with the
higher frequency. The default setting is 128 Hz.
Note
0 Hz is not available in the Auto Test
Sequence.
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Users Manual
UK - Mode
Selected
Automatic Lead
Swapping
Mode Selected
Figure 1. Lead Swapping Modes
How to Zero the Test Leads
XW Warning
To prevent possible electrical shock, fire, or personal injury,
do not use in CAT III or CAT IV environments without the
protective cap installed. The protective cap decreases the
exposed probe metal to <4 mm. This decreases the
possibility of arc flash from short circuits.
Test leads have a small amount of inherent resistance that can affect a
measurement. Before you do continuity or loop impedance tests, use the
zero adapter to compensate for, or zero, the test leads or the mains cord.
See Figure 2 and Figure 3 for more information about the zero adapter.
22
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Electrical Installation Tester
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The Tester maintains a separate zero value for each continuity range and
loop impedance tests. A unique zero is stored for each lead combination in
each function that allows the zero mode. The annunciator indicates
when a zero value is stored for the selected lead combination. For each
continuity range, zeros are valid for both polarities.
To zero:
1. Turn the rotary dial to the
2. For R
value is retained for each range.
3. Connect the mains line cord (or the test leads) to the Tester and the
zero adapter. You can zero two or three test leads in the R
4. Press and hold for 2 seconds to 6 seconds until the annunciator
and the offset value show in the primary display. The beeper sounds
with each completed zero value.
The Tester measures the lead resistance, stores the value, and
subtracts it from readings. The resistance value is retained when the
power is turned off. If the Tester is the same function with the same
test leads or mains cord, you do not need to repeat the zero operation.
, use to select 10 mA or 250 mA range. A separate zero
LO
,
, or position.
function.
LO
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Users Manual
1
2
3
F2
> 2 s
F1
F2
F3
F4
Figure 2. Zero Display
5. If the display reads >3.0 Ω:
• For a Loop (Z
• For a Continuity (R
• To zero 2 leads in the R
) test, check that all 3 leads are connected.
I
) test, check that all 3 leads are connected.
LO
function, use to select the shorted
LO
leads and confirm annunciator shows.
• Check for damaged leads.
If the tester battery voltage is too low, the display shows Lo BATT and
the Tester will not zero.
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Electrical Installation Tester
Operatio n
Euro
Italy
Swiss
UK
Denmark
Australia
US
Figure 3. Country-Specific Zero Adapter Configurations
Note
Be sure the batteries are in good charge condition before
you zero the test leads.
f03.eps
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1662/1663/1664 FC
Users Manual
Safety Pretest for Insulation Resistance Measurements
The 1664 FC model includes the Safety Pretest feature that detects any
appliances connected to the circuit under test. Safety Pretest gives you a
warning before you start a test and prevents damage to appliances from
the test voltage.
To use Safety Pretest, the Tester must be connected to the phase (L
terminal), neutral (N terminal) and protective earth line (PE terminal). See
Figure 4. The Tester shows all three black dots in the terminal indicator
annunciator to guide you. If you use the mains test cord at a mains socket,
this condition is always true when the mains socket is wired correctly.
N (Blue)
L
N
PE
B
G
R
PE (Green)
L (Red)
Figure 4. Connection for Safety Pretest
WCaution
Safety Pretest works reliably only when you have connected
the L terminal to the phase, the N terminal to the neutral line,
and the PE terminal to the PE line.
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Electrical Installation Tester
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If the Tester detects that an appliance is connected, it will stop the
insulation test and show the screen in Figure 5.
F4
hwl054.eps
Figure 5. Display for Safety Pretest
To continue an insulation test and override the warning, press to turn off
the pretest.
D Caution
If you override the Safety Pretest warning and continue,
the test voltage can damage any connected appliance.
To restart the pretest, press again to turn on the pretest.
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Users Manual
Measurements
These Testers measure and test:
• Voltage and Frequency
• Insulation Resistance (EN61557-2)
• Continuity (EN61557-4)
• Loop/Line Resistance (EN61557-3)
• Residual Current Devices (RCD) Tripping Time (EN61557-6)
• RCD Tripping Current (EN61557-6)
• Phase Rotation (EN61557-7) 1663 and 1664 FC only
• Earth Resistance (EN61557-5)
Volts and Frequency Measurements
To measure voltage and frequency:
1. Turn the rotary dial to the V position. See Table 11.
Table 11. Volts Display/Dial and Terminal Settings
F1
hwl002.eps
Push
Button
Input select: , ,
Display the battery level in the secondary display
Action
1663
1664 FC
• • •
• • •
1662
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Electrical Installation Tester
Measur ements
2. Select any pair (red, blue, or green) of terminals for this test. You can use
test leads or the mains test cord when you measure ac voltage.
• The primary display shows the ac voltage. The Tester reads ac
voltage up to 500 V. Press to toggle the voltage reading between
L-PE, L-N, and N-PE.
• The secondary display shows mains frequency.
Note
The displayed voltages are valid only if the selected test leads
(including installation wires) are connected and not broken.
3. Press and hold for the battery level. The primary display shows
BATT. The secondary display shows the battery voltage.
Insulation Resistance Measurements
XW Warning
To prevent electric shock, measurements should only be
done on de-energized circuits.
To measure insulation resistance:
1. Turn the rotary dial to the R
position. See Table 12.
ISO
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Table 12. Insulation Resistance Display/Dial and Terminal Settings
F1
F3
F4
hwl001.eps
Push
Button
Action
Input select: ,
Input select:
Turn on or turn off the Safety Pretest
Select test voltage: 50, 100, 250, 500, or 1000 V
Select test voltage: 100, 250, 500, or 1000 V
Start the selected test
,
1664 FC
1663
1662
•
• •
•
• •
•
• • •
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Electrical Installation Tester
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2. 1664 FC: Choose the test lead pair to use with and use the appropriate
terminals for this test. You can also use the mains test cord.
1662/1663: Use the L and PE (red and green) terminals for this test.
3. Use to select the test voltage. Most insulation tests are done at 500 V,
but always observe any local test requirements.
4. 1664 FC: Activate Safety Pretest with .
WCaution
Safety Pretest works reliably only when you have connected the
L terminal to the phase, the N terminal to the neutral line, and the
PE terminal to the PE line.
5. Press and hold
• The primary display shows the insulation resistance.
• The secondary display shows the actual test voltage.
Tests are inhibited if voltage is detected in the line.
For normal insulation with high resistance, the output voltage
) should always be equal to or higher than the programmed
(U
A
voltage. If not, check the Tester connections, leads, and fuses.
If insulation resistance is low, the test voltage is automatically
reduced to limit the test current to a safe level.
until the reading settles and the Tester beeps:
Note
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1662/1663/1664 FC
Users Manual
Continuity Measurement
A continuity test is used to verify the integrity of connections with a
high-resolution resistance measurement. This is important when you check
Protective Earth connections. Measurements may be adversely affected by
impedances or parallel circuits or transient currents.
Note
If electrical circuits are laid out in a ring, Fluke recommends that you
make an end-to-end check of the ring at the electrical panel.
XW Warning
To prevent possible electrical shock, fire, or personal injury,
measurements should only be done on de-energized circuits.
To measure continuity:
1. Turn the rotary dial to the R
2. 1663/1664 FC: Choose the test lead pair to use with and use the
appropriate terminals for this test.
1662: Use the L and PE (red and green) terminals for this test.
This option is for tests at the ring installation or to verify the connection
between protective earth and neutral at a mains socket. To avoid tripping
the RCD, use the 10 mA test current.
3. Choose the test current polarity with .
The + is positive current. The – is negative current. The ± option makes a
measurement with both polarities. The average between the positive and
negative result shows in the primary display. If you choose the ± option for
polarity, the positive result shows in the secondary display. Press to
toggle between the positive and negative intermediate result.
4. Choose the maximum test current with . To not trip an RCD, use the
10 mA setting for a ring installation test that includes the neutral or phase
wire.
position. See Table 13.
LO
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Electrical Installation Tester
Measur ements
5. If not already done, zero the test leads. For more information, see How to
Zero the Test Leads.
If the tester battery voltage is too low, the display shows Lo BATT and the
Tester will not zero.
6. Press and hold
turned on, the Tester beeps repeatedly for measured values <2 Ω. For
measured values >2 Ω, the Tester does not beep.
Table 13. Continuity Zero Display/Dial and Terminal Settings
F2
F3
F4
Push
Button
Input select: , ,
until the reading settles. If the continuity beeper is
F1
R
LO
Action
Input select:
Zero the test lead resistance offset
Select the test current polarity
Select the maximum test current: 10 mA or 250 mA
hwl003.eps
1664 FC
1663
• •
•
• • •
• • •
• • •
1662
If a circuit is live, the test is inhibited and the ac voltage appears in the
secondary display.
Start the selected test
• • •
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Users Manual
Loop/Line Impedance Measurements
Loop Impedance (Line to Protective Earth L-PE)
Loop impedance is source impedance measured between Line (L) and
Protective Earth (PE). You can determine the Prospective Earth Fault Current
(PEFC). PEFC is the current that could potentially flow if the phase conductor is
shorted to the protective earth conductor. The Tester calculates the PEFC as
the measured mains voltage divided by the loop impedance. The loop
impedance function applies a test current that flows to earth. If RCDs are
present in the circuit, they may trip. To avoid tripping, use the function
on the rotary dial. The no trip test applies a special test that prevents RCDs in
the system from tripping. If you are certain no RCDs are in the circuit, you can
use the Z
Tips:
• Use the position for loop measurements.
High-Current function for a faster, less noisy test.
I
Note
If the L and N terminals are reversed, the Tester will auto-swap
them internally and continue the test. This condition is indicated
by arrows above or below the terminal indicator symbol (b).
If the Tester is configured for UK operation, L and N will not
auto-swap and the test stops.
• Preload conditions can cause the RCD to trip.
• An RCD with a nominal fault current of 10 mA will trip.
• To test loop impedance in a circuit with a 10 mA RCD, see the Applications
section.
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Measur ements
To measure loop impedance no trip mode for L-PE:
1. Turn the rotary dial to the
Table 14. Loop/Line Impedance/Dial and Terminal Settings
F1
F2
F3
position. See Table 14.
hwl006.eps
Push
Button
Input select: ,
Zero the test lead resistance offset
Turn on or turn off Zmax
2. Press to select L-PE. The display shows the ZL and 8 indicators.
Start the selected test
Action
1664 FC
1663
• • •
• • •
• •
• • •
1662
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3. Connect and zero the test leads or mains line cord. More information about
how to zero the test leads is on page 22.
4. With 1663 and 1664 FC models, press to toggle the Zmax monitor. If
Zmax is turned on, consecutive measurements are compared. The
secondary display shows the maximum Z
Zmax is turned off.
5. Connect all three leads to the L, PE, and N of the system under test or plug
the mains test cord into the socket under test.
6. Touch the touch pad and watch the front panel for the W warning. See
Safety Features for more information.
(or ZI if F1 = L-N) value until
L
7. Press and release
turned on, the test starts automatically as soon as the mains voltage is
detected and the required test leads are connected.
8. Wait for the test to complete. The primary display shows the loop
impedance.
The Prospective Earth Fault Current appears in amperes or kiloamperes in
the secondary display.
9. Press the down to display Zmax if it is turned on. Press the down
several times to show the PSC, Zmax, Z
10. Press the down again to display the Z
This test will take several seconds to complete. If you disconnect the mains
while the test is active, the test automatically stops.
Errors may occur due to a preload on the circuit under test. If the
measurement is too noisy, Err 5 shows on the display. (The
measured value accuracy is degraded by the noise). Press
show the measurement. Press to return to the Err 5 display. If
the Tester shows 0.00 Ω, consider that no perfect circuit exists.
Check for correct lead connection to instrument, leads are
zeroed, and fuse is good.
. If Auto Start (Power-on option: + up ) is
, and RE values.
I
value.
I
Note
to
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Measur ements
Loop Impedance (High-Current Trip Mode)
To measure loop impedance—high-current trip mode:
If no RCDs are present in the system under test, you can use the high-current
Line Earth (L-PE) loop impedance test.
1. Turn the rotary dial to the
to indicate that high-current trip mode is selected.
2. Connect the leads to the L and PE (red and green) terminals of the Tester.
3. Press to select L-PE or L-N.
4. 1664 FC only, press to select between and m resolution for the test
results. The m resolution test takes between 30 seconds and 60 seconds
to complete.
5. Zero the test leads. For a Loop (Z
6. More information about how to zero the test leads is on page 22.
6. For 1663 and 1664 FC only, press to toggle the Zmax monitor.
If Zmax is turned on, consecutive measurements are compared. The
secondary display shows the maximum Z
Zmax is turned off. The Zmax value is saved when you save the test result.
If you change the location fields a, b, or c before you save, the actual test
result is the new Zmax. The Tester retains the Zmax value between the Z
No Trip and Z
7. Connect the leads to the L and PE of the system under test or connect the
mains test cord to the socket under test.
8. Touch the touch pad and watch the front panel for the W warning.
Hi Current tests.
I
position. The shows on the display
) test, check that all 3 leads are shorted.
I
(or ZI if F1 = L-N) value until
L
I
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Users Manual
9. Press and release . If Auto Start (Power-on option: + up ) is
turned on, the test starts automatically as soon as the mains voltage is
detected and the required test leads are connected.
10. Wait for the test to complete. The primary display shows the loop
impedance.
The Prospective Earth Fault Current (PEFC) appears in amperes or
kiloamperes in the secondary display.
11. If Zmax is turned on, press the down to show the Zmax value in the
secondary display.
XW Warning
To prevent possible electrical shock, fire, or personal injury,
ensure there are no RCDs present. The display symbol
indicates the high-current loop mode. Any RCDs in the
system will trip.
Note
The Tester may show a test result even if the RCD is tripped if
the trip time is >10 ms. Because of the short measurement, the
test result does not meet the published specification. If the
Tester shows 0.00 Ω, consider that no perfect circuit exists.
Check for correct lead connection to instrument, leads are
zeroed, and fuse is good.
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Loop Impedance in IT System Measurement
To measure the loop impedance at the mains socket, put the Tester in IT mode
(Power On option: + ). In the IT mode, the Tester accepts any voltage
between N and PE, but loop test with the High-current trip mode only. See
Figure 6.
R
LO
Figure 6. Loop Impedance Test in IT System
hwl055.eps
Line Impedance
Line impedance is source impedance measured between Line conductors or
Line and Neutral. This function allows these tests:
• Line to Neutral loop impedance.
• Line to Line impedance in 3-phase systems.
• L-PE loop measurement. This is a high-current, 2-wire loop measurement.
It cannot be used on circuits protected by RCDs because it will cause them
to trip.
• Prospective Short Circuit Current (PSC). PSC is the current that can
potentially flow if the phase conductor is shorted to the neutral conductor or
another phase conductor. The Tester calculates the PSC current as the
measured mains voltage divided by the line impedance.
To measure line impedance:
1. Turn the rotary dial to the
2. Connect the red lead to the L (red) and the blue lead to the N (blue)
terminals of the Tester.
3. Press to select L-N.
HI CURRENT position. See Table 15.
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Users Manual
4. 1664 FC only, press to select between and m resolution for the test
results. The m resolution test takes between 30 seconds and 60 seconds
to complete.
5. Zero the test leads. More information about how to zero the test leads is on
page 22.
Table 15. Line Impedance Test Display Dial and Terminal Settings
F1
F2
F3
F4
Push
Button
6. Press to toggle the Zmax monitor.
Input select: ,
Zero the test lead resistance offset
Turn on or turn off Zmax
Select loop impedance test accuracy: , m (high-current
trip mode only)
Start the selected test
Action
40
hwl007.eps
1664 FC
1663
• • •
• • •
• •
•
• • •
1662
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Electrical Installation Tester
Measur ements
If Zmax is turned on, consecutive measurements are compared. The
secondary display shows the maximum Z
Zmax is turned off. The Zmax value is saved when you save the test result.
If you change the location fields a, b, or c before you save, the actual test
result is the new Zmax.
Note
RCDs in the system will trip if you use L-PE.
7. Connect the leads in a single-phase test to the system live and neutral. To
measure line-to-line impedance in a 3-phase system, connect the leads to
two phases.
8. Press and release . If Auto Start (Power-on option: + up ) is
turned on, the test starts automatically as soon as the mains voltage is
detected and the required test leads are connected.
Wait for the test to complete.
• The primary display shows the line impedance.
• The secondary display shows the Prospective Short Circuit Current
(PSC).
9. If Zmax is turned on, press the down to show the Zmax value in the
secondary display.
Use the connection shown in Figure 7 for a 3-phase 500 V system
measurement.
(or ZI if F1 = L-N) value until
L
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Users Manual
N (L3/Blue)
B
R
L (L1/Red)
L1
L2
L3
hwl025.eps
Figure 7. 3-Phase System Measurement
RCD Tripping Time Measurements
In this test, a calibrated fault current is induced into the circuit to cause the RCD
to trip. The meter measures and shows the time required for the RCD to trip.
You can do this test with test leads or the mains cord. The test is done with a
live circuit.
You can use the Tester to do the RCD tripping time test in Auto Start, which
makes it easier for one person to do the test. If the RCD has a special nominal
current setting other than the standard options, 10, 30, 100, 300, and 500, or
1000 mA, you can use a custom setting with the Var mode.
Note
When you make trip time measurements for any type of RCD,
the Tester first determines if the actual test will cause a fault
voltage exceeding the limit (25 V or 50 V). If yes, shows
on the display.
To avoid having an inaccurate trip time for S type (time delay)
RCDs, a 30 second delay is activated between the pretest and
the actual test. This RCD type needs a delay because it
contains RC circuits that are required to settle before applying
the full test.
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Measur ements
RCD type B, B+ (.) or S-type B, B+ (. G) are actually two RCDs, one with
type A/AC behavior and one with type B. The type B RCD is correctly tested
only with the trip current (ramp) test. For trip time measurements, even with
type B selected, the ac part of the RCD might cause the tripping because of the
initial step of the test current. Fluke recommends that you do a trip current test
with type B and a test with type A/AC waveform.
XW Warning
To prevent possible electrical shock, fire, or personal injury:
• Test the connection between the N-conductor and earth
before you start the test. A voltage between the N-conductor
and earth may influence the test.
• Leakage currents in the circuit that follow the residual
current protection device may influence measurements.
• The displayed fault voltage relates to the rated residual
current of the RCD.
• Potential fields of other earthing installations may influence
the measurement.
• Equipment (motors, capacitors) connected downstream of
the RCD may cause considerable extension of the tripping
time.
Note
If the L and N terminals are reversed, the Tester will
automatically swap them internally and continue tests. If the
Tester is configured for UK operation, tests will stop and you
will need to determine why the L and N are swapped. This
condition is indicated by arrows above the terminal indicator
symbol (b).
Type A and type B RCDs do not have the 1000 mA option
available. Type B RCDs do not have the Var option available.
When testing under a condition that would trip an RCD, but
does not (for example, reading is >310 ms), check the
connections, leads and fuses.
To measure RCD tripping time:
1. Turn the rotary dial to the ∆T position. See Table 16.
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Table 16. RCD Tripping Time Display/Dial and Terminal Settings
F1
F2
F3
F4
Push
Button
2. Press to select the RCD current setting (10, 30, 100, 300, 500, or
3. Press to select a test current multiplier (x ½, x 1, x 5, or Auto). Normally
Select RCD test polarity: 0° or 180°
RCD current multiplier: x1/2, x1, x5, or Auto
Select RCD
RCD current setting: 10 mA, 30 mA, 100 mA, 300 mA, 500
mA or Var
Start the selected test
1000 mA).
you will use x 1 for this test.
Action
hwl008.eps
1664 FC
1663
• • •
• • •
• • •
• • •
• • •
1662
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Electrical Installation Tester
Measur ements
4. Press to select the RCD test-current waveform:
• E – AC current to test type AC (standard AC RCD) and type A
(pulse-DC sensitive RCD)
• F – Half-wave current to test type A (pulse-DC sensitive RCD)
• E G – Delayed response to test S-type AC (time delayed AC RCD)
• F G – Delayed response to S-type A (time delayed pulse-DC
sensitive RCD)
1664 FC/1663
• . – Smooth-DC current to test type B RCD
• . G – Delayed response to S-type B (time delayed smooth-DC
current RCD)
Note
For type F, G, K or R RCDs, choose type A (half-wave current).
The symbol RCD is not triggered on the short delay of 10 ms
of the G, K, and R types. These types need a trip time of at
least 10 ms.
Type B+ RCDs are tested with type B smooth dc-current.
5. Press to select the test current phase, 0 ° or 180 °. RCDs should be
tested with both phase settings, as their response time can vary
significantly.
Note
For RCD type B (.) or S-type B (. G), you must test with
both phase settings.
6. At a minimum, connect the leads to L and PE of the system under test, or
plug the mains test cord into the socket under test.
Note
For RCD type B (.) or S-type B (. G) all three test leads
are required.
7. Press and release
If Auto Start (Power-on option: + up ) is turned on, the test starts
automatically as soon as the mains voltage is detected and the required
test leads are connected.
.
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8. Wait for the test to complete.
• The primary display shows the trip time.
• The secondary display shows the fault voltage (voltage drop on PE
wire) related to the rated residual current.
• If the trip time meets the appropriate standard of the RCD, the RCD
indicator shows. For more information, see the RCD Tripping Time
table in the Specifications section of this manual.
Custom RCD Setting – Var mode
To measure RCD tripping time for a custom RCD setting – Var mode:
1. Turn the rotary dial to the ∆T (or I
position.
2. Press to select the Var current rating. The current custom setting shows
on the primary display. Use
3. Press to select a test current multiplier. Normally you will use x 1/2 or
x 1 for this test.
4. Repeat steps 4 through 7 listed in the RCD tripping time measurement
procedure.
5. To view the nominal setting used for the test, press .
to adjust the value.
for Tripping Current measurement)
∆N
Note
The maximum setting for type A RCDs is 700 mA. Var mode is
not available for type B RCDs.
RCD Tripping Time in Auto mode
To measure RCD tripping time in Auto mode:
1. Plug the Tester into the outlet.
2. Turn the rotary dial to the ∆T position.
3. Press to select the RCD current rating (10 mA, 30 mA, or 100 mA).
4. Press to select Auto mode.
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Electrical Installation Tester
Measur ements
5. Press to select the RCD test-current waveform.
6. At a minimum, connect the leads to L and PE of the system under test, or
plug the mains test cord into the socket under test.
Note
For RCD type B (.) or S-type B (. G) all three test leads
are required.
7. Press and release
turned on, the test starts automatically as soon as the mains voltage is
detected and the required test leads are connected.
The Tester supplies ½x the rated RCD current for 310 ms or 510 ms
(2000 ms in the UK). If the RCD trips, the test terminates. If the RCD does
not trip, the Tester reverses phase and repeats the test. The test
terminates if the RCD Trips.
If the RCD does not trip, the Tester restores the initial phase setting and
supplies 1x the rated RCD current. The RCD should trip and the test
results appear in the primary display.
8. Reset the RCD.
9. The Tester reverses phases and repeats the 1x test. The RCD should trip
and the test results appear in the primary display.
10. Reset the RCD.
11. The Tester restores the initial phase setting and supplies 5x the rated RCD
current for up to 50 ms. The RCD should trip and the test results appear in
the primary display.
12. Reset the RCD.
13. The Tester reverses phase and repeats the 5x test. The RCD should trip
and the test results appear in the primary display.
14. Reset the RCD.
• You can use the arrow buttons to review test results. The first result
shown is the last measurement taken, the 5x current test. Press the
down arrow button to move backward to the first test at ½x the rated
current.
• If the trip time meets the appropriate standard of the RCD, the RCD
indicator shows. For more information, see RCD Tripping Time table in
Specifications section.
15. Test results are in temporary memory. If you want to store all test results,
press and proceed as described in the Memory Mode section of this
manual.
. If Auto Start (Power-on option: + up ) is
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RCD Tripping Current Measurements
This test measures the RCD tripping current as you apply a test current and
then gradually increase the current until the RCD trips. You can use the test
leads or mains test cord for this test.
Note
For RCD type B (.) or S-type B (. G) all three test leads
are required.
XW Warning
To prevent possible electrical shock, fire, or personal injury:
• Test the connection between the N-conductor and earth
before you start the test. A voltage between the N-conductor
and earth may influence the test.
• Leakage currents in the circuit that follow the residual
current protection device may influence measurements.
• The displayed fault voltage relates to the rated residual
current of the RCD.
• Potential fields of other earthing installations may influence
the measurement.
If the L and N terminals are reversed, the Tester will automatically swap them
internally and continue tests. If the Tester is configured for UK operation, tests
stop and you will need to determine why the L and N are swapped. This
condition is indicated by arrows above the terminal indicator symbol (b).
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Measur ements
To measure RCD tripping current:
1. Turn the rotary dial to the I
Table 17. RCD Tripping Current/Dial and Terminal Settings
F1
F3
position. See Table 17.
∆N
F4
Push
Button
Select RCD test polarity: 0° or 180°
Select RCD
2. Press to select the RCD current rating (10, 30, 100, 300, 500,
1000 mA). If the RCD has a special nominal current setting other than the
standard options, you can use a custom setting with the Var mode.
RCD current setting: 10 mA, 30 mA, 100 mA, 300 mA, 500
mA, 1000 mA, or Var
Start the selected test
Action
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1663
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• • •
• • •
• • •
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3. Press to select the RCD test-current waveform:
• E – AC current to test type AC (standard AC RCD) and type A
(pulse-DC sensitive RCD)
• F – Half-wave current to test type A (pulse-DC sensitive RCD)
• E G – Delayed response to test S-type AC (time delayed AC RCD)
• F G – Delayed response to S-type A (time delayed pulse-DC
sensitive RCD)
1664 FC/1663:
• . – Smooth-DC current to test type B RCD
• . G – Delayed response to S-type B (time delayed smooth-DC
current RCD)
Note
For type F, G, K or R RCDs, choose type A (half-wave current).
The symbol RCD does not consider the short delay of 10 ms
of the G, K and R types. These types need a trip time of at
least 10 ms.
4. Press to select the test current phase, 0 ° or 180 °. RCDs should be
tested with both phase settings, as their response time can vary
significantly.
Note
For RCD type B (.) or S-type B (. G), you must test with
both phase settings.
5. At a minimum, connect the leads to L and PE of the system under test, or
plug the mains test cord into the socket under test.
Note
For RCD type B (.) or S-type B (. G) all three test leads
are required.
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Electrical Installation Tester
Measur ements
6. Press and release . If Auto Start is turned on (Power-on option 'Up'),
the test starts automatically as soon as the mains voltage is detected and
the required test leads are connected.
Wait for the test to complete.
• The primary display shows the RCD trip current.
• The secondary display shows the fault voltage (voltage drop on PE
wire) related to the rated residual current.
• For type A and type AC waveforms, press down to display the trip
time.
• If the trip current and the trip time (Type A / AC RCDs only) meets the
appropriate standard of the RCD, RCD shows on the display. For
more information, see the RCD Tripping Time table in the
Specifications section.
To measure RCD tripping current for a custom RCD setting - Var mode, see
page 46.
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RCD Tests in IT Systems
RCD tests at locations with IT systems requires a special test procedure
because the Protective Earth connection is grounded locally and is not tied
directly to the power system.
The test is done at the electrical panel with probes. See Figure 8 for the
connections used in this test.
Mains Supply
PE (L2/Green)
Figure 8. Connection for RCD Test on IT Electrical Systems
RCD
L (L1/Red)
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Electrical Installation Tester
Measur ements
The test current flows through the upper side of the RCD, into the L terminal,
and returns through the PE terminal.
To test an RCD at the mains socket, put the Tester into the IT mode (Power-on
option: + ). In this mode the Tester accepts any voltage between N and
PE. The precondition for trip time and current measurements is that the
resistance of the earth ground system is low enough to allow the test current
flow.
If RCD does not trip, use the single test lead configuration. See Figure 9.
L1
RCD
L2
PE
Figure 9. Single Test Lead Configuration
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Users Manual
Phase Rotation Tests
Use the connection shown in Figure 10 for a phase rotation test connection.
L1
N (L3/Blue)
L2
L3
B
G
R
PE (L2/Green)
L (L1/Red)
Figure 10. Phase Rotation Test Connection
To do a phase rotation test:
1. Turn the rotary dial to the position. See Figure 11.
Figure 11. Phase Rotation Display
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2. The primary display shows:
• 123 for correct phase rotation.
• 321 for reversed phase rotation.
• Dashes (---) when insufficient voltage is sensed.
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Electrical Installation Tester
Measur ements
Earth Resistance Measurements
(1663 and 1664 FC)
The earth resistance test is a 3-wire test that has two test stakes and the earth
electrode under test. This test requires an accessory stake kit. Connect as
shown in Figure 12.
• Best accuracy is achieved with the middle stake at 62 % of the distance to
the far stake. The stakes should be in a straight line and wires separated to
avoid mutual coupling.
• Disconnect the earth electrode under test from the electrical system as you
do the test. Do not measure Earth resistance on a live system.
62% L
L
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Figure 12. Earth Resistance Test Connection
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To measure earth resistance:
1. Turn the rotary dial to the position. See Table 18.
Table 18. Earth Resistance Display/Dial and Terminal Settings
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Push
Button
2. Press and release . Wait for the test to complete.
Start the selected test
• The primary display shows the earth resistance reading.
• Voltage detected between the test rods shows in the secondary
display. If >10 V, the test is inhibited.
• If the measurement is too noisy, Err 5 shows on the display. (The
measured value accuracy is degraded by the noise). Press
the measurement. Press to return to the Err 5 display.
• If the probe resistance is too high, Err 6 shows. Probe resistance may
be reduced if you push the test stakes further into the earth or apply
water to the earth around the test stakes.
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Electrical Installation Tester
Appl ications
Applications
This section outlines a few practical setups to make tests faster and more
efficient.
How to Test a Mains Socket and Ring Installation
The mains socket test checks that the mains voltage is present, the frequency
is 50 Hz/60 Hz, and the wiring of the mains socket is correct.
For a valid socket test:
• connect all test leads (phase, neutral, and protective earth) to the mains
socket
• the mains line cord provides a quick connection to the socket
• always contact the touch pad around the test button
When a high voltage is measured between two wires, shows on the display:
• If the PE wire is live and you contact the touch pad, the W above the touch
pad is lit, the PE annunciator in the display is lit, and the beeper sounds.
• If the L and N terminals are reversed, the Tester shows an arrow above the
terminal indicator symbol. The Tester automatically reverses these
internally and allows the test. When configured for UK operation, the
Tester inhibits the test.
• If the L and PE terminals are reversed, the Tester shows an arrow below
the terminal indicator symbol and inhibits the test.
• If the N, PE, or installation wire is open or broken, the Tester shows the
terminal as a crossed circle. The test can start if the wire is not required for
this test.
• If the trip time meets the appropriate standard of the RCD, the RCD
indicator shows. For more information, see the RCD Tripping Time table in
the Specifications section of this manual.
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Earth Resistance Test by Loop Method
You can also use the Tester to measure the earth resistance component of the
total loop resistance. Check your local regulations to determine if this method is
acceptable in your area. You can use three leads or the mains test cord to do
this test. Use the connection shown in Figure 13 when you make a 3-wire
connection for earth resistance loop test. Zero the test leads before the test
(see page 22).
L
N (Blue)
N
PE
B
G
R
PE (Green)
L (Red)
hwl024.eps
Figure 13. 3-Wire Connection for Earth Resistance Loop Test (No Trip
Mode)
If necessary to meet local regulations, you can measure the earth resistance
with the high-current trip mode. To measure loop impedance with the highcurrent trip mode, see page 37. Any RCD will trip during this test. The test
result will include the resistance of the phase wire and this might be neglected
for higher RE resistances. Use the connection shown in Figure 14 when you
make a 2-wire connection for earth resistance loop test.
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Electrical Installation Tester
Appl ications
L
G
R
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Figure 14. 2-Wire Connection for Earth Resistance Loop Test
(High-Current Trip Mode)
Zmax
Zmax compares multiple line/loop impedances and retains the maximum
impedance. Sockets on a circuit can be tested consecutively and the maximum
impedance value retained and stored to memory.
There are two types of Zmax values: Zmax (L-PE) and Z
selection determines which Zmax value is in use:
• ZL No Trip
- L-N: Z
Zmax is in use
I
- L-PE: both ZI Zmax and Zmax are in use
• Z
Hi Current
L
- L-N: Z
Zmax is in use
I
- L-PE: Zmax is in use
The Zmax values are retained when you switch between Z
Z
Hi Current. Zmax values are saved with the test result to memory. If you
L
change the location fields a, b, or c before you save, the actual test result is the
new Zmax.
Zmax (L-N). The input
I
No Trip and
L
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Auto Start
Auto Start enables faster testing and is a power-up option. When the Tester
detects mains voltage in the loop/line or RCD tests, the test starts automatically
without pushing .
Loop Impedance Test with 10 mA RCD
For a Loop impedance measurement in a 10 mA RCD circuit, the tripping time
RCD test is recommended. Use a nominal test current of 10 mA and the factor
x ½ for this test.
If the fault voltage is <25 V or 50 V, dependent on the local requirement, the
loop is good. To calculate the loop impedance, divide the fault voltage by 10
mA (Loop impedance = fault voltage x 100).
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Electrical Installation Tester
Appl ications
Auto Test Sequence (1664 FC)
The 1664 FC includes the Auto Test feature. Auto Test allows you to start
multiple tests with one press of
• Line test (L-N)
• NoTrip Loop test (L-PE)
• RCD test:
o Ramp test (type A or type AC, 30 mA, 100 mA, 300 mA)
-or-
o Auto RCD test (type A or type AC, 30 mA, 100 mA)
• Insulation tests:
o L-PE, 50 V to 1000 V
o L-N, 50 V to 1000 V
o N-PE, 50 V to 1000 V
The Tester starts with the Line/Loop test, then it tests the RCD. After the RCD
has tripped, it proceeds with insulation tests. The insulation Safety Pretest and
the Zmax are always active.
This test sequence is intended to be done at a mains socket with the mains test
cord at circuits that are protected by an RCD with a nominal fault current of
≥30 mA.
The automatic test sequence will trip an RCD. Because an
insulation test is part of the sequence, make sure that no
appliances are connected to the circuit under test.
If the L and N terminals are reversed, the Tester will auto-swap
them internally and continue the tests. If the Tester is configured
in L-n mode (no auto lead swap), tests are stopped. This
condition is indicated by arrows above the terminal indicator
symbol (b).
To start an Auto Test:
1. Turn the rotary dial to the
2. Connect the mains test cord to the Tester.
:
Note
AUTO TEST position. See Table 19.
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3. Before you do a loop impedance test, zero the test leads with . More
information about how to zero the test leads is on page 22.
4. Plug the mains test cord into the socket under test.
5. Press to select the RCD type and test type.
6. Select the nominal RCD fault current with .
Table 19. Auto Test Settings
F2
F3
F4
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Push
Button
7. Use to select the insulation test voltage.
8. Press and release .
Zero the test lead resistance offset
AUTO setting: AC (Ramp), A (Ramp), AC Auto, or A Auto
RCD current setting: 30 mA, 100 mA, or 300 mA*
*300 mA available for ramp test only
Select the appropriate insulation test voltage: 50 V, 100 V,
250 V, 500 V, and 1000 V
Start the Auto Test sequence
The primary display shows the Loop impedance ZL or the Line impedance
ZI. The secondary display shows the PEFC or the PFC (Ik).The RCD will
trip and the Tester shows the trip current, and then the trip time. The
insulation tests start and you see the results when each test is done. The
beeper sounds with each completed test.
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Electrical Installation Tester
Memory Mode
Note
You cannot override the Safety Pretest warning because the
insulation Safety Pretest is active. If the insulation Safety Pretest
detects a connected appliance, the test sequence stops.
9. When the test is done, reset the RCD.
10. Use
Test results are in temporary memory. If you want to store the test results,
press . For more information, see Memory Mode.
to review test results. The first result shown is the last measurement
taken, the insulation N-PE test. Press the down arrow to move backward
to the first test, the Line test.
Memory Mode
You can store up to 3000 measurements on the Tester. The information stored
for each measurement consists of the test function and all user selectable test
conditions.
The location identifier includes a location set number (a), location subset
number (b), and location ID number (c). You can store multiple measurements
to the same memory location (a, b, c) and view later with the Tester or a
software program such as Fluke DMS Software. With DMS you have additional
tools to apply custom labels to these memory locations. See the DMS Software
User Manual for more information.
h
To enter Memory mode:
1. Press to enter Memory mode. See Figure 15.
Use the location set field (a) to indicate a location such as a room or
electrical panel number.
Use the location subset field (b) for circuit number.
Use the location ID field (c) for a socket or place number.
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F1
F2
F3
F4
Figure 15. Memory Mode
The display changes to a memory mode display. In Memory mode, the
icon appears on the display. When you go to Memory mode the
first time, the primary numeric display shows the location set number (a)
and a digit that blinks. The location set number is changed one digit at a
time. Use
digit.
2. To change the location subset number, press until the location subset
number (b) shows on the display. Each digit can be individually changed
with
subset number to be changed, press . The location set number starts to
blink. Press several times to change the location ID number.
3. Press the down arrow button () to decrement the number or press the up
arrow button () to increment the number. To accelerate the increment or
decrement function, press and hold the up or down .
to change the digit that blinks. Press to activate the next
. The location subset number starts to blink. To enable the location
Note
To store test results, the number can be set to any value. To
recall stored test results, the number can be set to used values
only.
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Electrical Installation Tester
Memory Mode
Store a Measurement
To store a measurement:
1. Press to enter Memory mode.
2. Press and use the arrow button () to set the location identity.
3. Press to save the test results.
• The test results are saved, the Tester will automatically exit Memory
mode and the display will revert back to the previous test mode.
• If memory is full, FULL will appear on the primary display. Press
to exit Memory mode.
Note
ERR9 in the primary display indicates a data problem. See
Table 9 for more information.
Recall a Measurement
To recall a measurement:
1. Press to enter the Memory mode.
2. Press to enter the Recall mode.
3. Use and to set the location identity. Only memory locations with stored
measurements will show on the display. All fields show as dashes if no test
result is stored.
4. Press to recall the test result. The Tester display will revert to the Test
mode used for the recalled test results. Also, the and
icons remain on the display to indicate that the Tester is in Memory Recall
mode.
5. Press to step through multiple tests that are saved at the selected
location identifier. Only the main result for each test is shown, for example
ZL for loop test, but no Zmax.
6. When multiple results are saved as part of a single test, press to step
through the results of that test.
7. Press to clear the test result. The primary display shows Clr?. Press
again to clear the recalled location.
8. Press to toggle between the location ID screen and the recalled test
result screen to check the recalled location ID or to select more test results
to recall.
9. Press to exit Memory mode at any time.
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Clear Memory
To clear all memory:
1. Press to enter Memory mode.
2. Press . The primary display shows Clr. The secondary display shows
LASt.
3. Press to enable clear all memory. The display shows Clr All?
4. Press to confirm clear all memory. All memory is cleared and the Tester
returns to the measurement mode.
To delete (clear) the last valid stored result:
1. Press to enter Memory mode.
2. Press . The primary display shows Clr. The secondary display shows
LASt.
3. Press to delete the last valid stored result. The Tester returns to the
measurement mode.
Memory Error Message
To ensure data security, each data record has a CRC checksum. If the
checksum is wrong, ERR9 (inconsistent data) shows on the display at startup
or when you go to the Memory mode.
To continue:
• Download all data from the Tester memory.
• Clear the Tester memory (may take up to 2 minutes).
• If ERR9 occurs again, return the Tester to a Fluke Service Center.
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Electrical Installation Tester
Download Test Results
Download Test Results
To download test results:
1. Connect the IR serial cable to the serial port on the PC and the IR port on
the Tester. See Figure 16.
IR Port
IR Serial Cable
Figure 16. IR Serial Cable Attachment
2. Start the Fluke PC software program.
3. Press to turn on the Tester.
4. Refer to the software documentation for complete instructions on how to
set the date/time stamp and upload data from the Tester.
Note
The 1664 FC allows you to upload data wirelessly to a
smartphone with the Fluke Connect
others, and e-mail the data to your office. See Fluke Connect
Wireless System for more information.
TM
app, share data with
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Fluke Connect Wireless System
The 1664 FC supports the Fluke ConnectTM Wireless System (may not be
available in all regions). Fluke Connect
your Fluke test tools with an app on your smartphone. It enables you to see test
results from your Tester on your smartphone screen and share these results
with your team.
You can also download the saved test results to a smartphone and send the
data package by email.
The Fluke Connect app works with the iPhone and Android Phone. The app is
available for download from the Apple App Store and Google Play.
How to access Fluke Connect:
1. Push
2. On your smartphone, enable Bluetooth.
3. Go to the Fluke Connect app and select 1664 FC from the list.
4. You will see the Tester’s screen on your smartphone. When the Tester is
5. To turn off the wireless system on your Tester, press
on the Tester. The display shows .
connected to the app,
will blink every 5 seconds.
TM
is a system that wirelessly connects
for >1 second.
disappears.
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Electrical Installation Tester
Mainte nance
Maintenance
XW Warnings
To prevent possible electrical shock, fire, or personal injury:
• Be sure that the battery polarity is correct to prevent battery
leakage.
• Repair the Product before use if the battery leaks.
• Have an approved technician repair the Product.
• Use only specified replacement parts.
• Replace a blown fuse with exact replacement only for
continued protection against arc flash.
• Do not operate the Product with covers removed or the case
open. Hazardous voltage exposure is possible.
• Remove the input signals before you clean the Product.
Periodically wipe the case with a damp cloth and mild detergent. Do not use
abrasives or solvents.
Dirt or moisture in the terminals can affect readings.
To clean the terminals:
1. Turn the meter off and remove all test leads.
2. Shake out any dirt that may be in the terminals.
3. Moisten a clean cotton swab with alcohol and clean the inside of each
terminal.
Table 20 is a list of replaceable parts for the Tester.
Table 20. Replacement Parts
Description
W Fuse, 11 A, 1000 V 10.3 x 25.4 mm for Fused Probe
W Fuse, 3.15 A, 500 V 6.35 x 32 mm for 166X Tester
Part Number
803293
2030852
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How to Test the Fuse
To manually check the fuse:
1. Turn the rotary dial to the dial setting.
2. Select the input as L-PE.
3. Short the L-PE leads.
4. Press and hold
5. If the fuse is bad, FUSE will appear on the display to indicate the Tester is
damaged and needs repair. Contact Fluke Service for repair (see How to
Contact Fluke).
.
How to Test the Battery
Battery voltage is continuously monitored by the Tester and shows the current
capacity in 25 % increments. If the voltage falls below 6.0 V (1.0 V/cell), the
battery icon shows 0 % to indicate minimal battery life is available.
To test:
1. Turn the rotary dial to V.
2. Press and hold .
The battery voltage shows in the secondary display.
XW Warning
To prevent possible electric shock or personal injury due to false
readings:
• Replace the batteries as soon as the - empty battery icon
appears.
• Be sure that the battery polarity is correct. A reversed battery
can cause leakage.
Battery Replacement
Replace the batteries with six AA batteries. Alkaline batteries are supplied with
the Tester. You can also use 1.2 V NiMH batteries. Due to the nature of these
NiMH batteries, the battery symbol on the Tester display may indicate a lower
power level even when batteries are fully charged.
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Electrical Installation Tester
Mainte nance
XW Warning
To prevent possible electrical shock, fire, or personal injury:
• Remove the test leads and any input signals before you
replace the battery.
• Install ONLY specified replacement fuses with the amperage,
voltage, and speed ratings shown in the Specifications
section of this manual.
To replace the batteries (see Figure 17):
1. Press to turn off the Tester.
2. Remove the test leads from the terminals.
3. To remove the battery door, use a standard-blade screwdriver to turn the
battery door screws (3) one-quarter turn counterclockwise.
4. Press the release latch and slide the battery holder out of the Tester.
5. Replace the batteries.
6. Replace the battery holder and the battery door.
7. Turn the battery door screws one-quarter turn clockwise to fasten the door.
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72
Figure 17. Battery Replacement
hwl028.eps
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Electrical Installation Tester
Specific ations
Specifications
General Specifications
Size ......................................................................... 10.0 cm (L) x 25.0 cm (W) x 12.5 cm (H)
Weight (with batteries) ............................................ 1.3 kg
Battery .................................................................... 6 x AA Alkaline IEC LR6
Battery life (typical) ................................................. 200 hours idling
Fuse ........................................................................ T3.15 A, 500 V, IR: 1500 A
Operating Temperature .......................................... -10 °C to +40 °C
Storage Temperature .............................................. -10 °C to +60 °C (limited by battery
Relative Humidity .................................................... 80 % 10 °C to 35 °C
Altitude
Operating ............................................................ 2 000 m
Storage ............................................................... 12 000 m
Vibration .................................................................. MIL-PRF-28800F: Class 2
Ingress Protection ................................................... IEC 60529: IP 40
Safety
IEC 61010-1 ........................................................ Pollution Degree 2
IEC 61010-2-030 ................................................ 300 V CAT IV, 500 V CAT III
Maximum voltage between any
terminal and earth ground ................................... 500 V
IEC 61010-031 (Accessories)
TP165X Remote Probe with cap .................... CAT IV 600 V, CAT III 1000 V, 10 A
TP165X Remote Probe without cap ............... CAT II 1000 V, 10 A
TL-L1, TL-L2, TL-L3 Test Leads ..................... CAT IV 600 V, CAT III 1000 V, 10 A
Test Probes with cap ...................................... CAT IV 600 V, CAT III 1000 V, 10 A
Test Probes without cap ................................. CAT II 1000 V, 10 A
AC285 Alligator Clip ....................................... CAT IV 600 V, CAT III 1000 V, 10 A
Country-Specific Mains Cord .......................... CAT II 250 V, 1000 V dc
Usable with 1.2 V NiMH batteries (not
included)
specification)
-40 °C for 100 hr
70 % 35 °C to 40 °C
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Electromagnetic Compatibility (EMC)
International ......................................................... IEC 61326-1: Portable
CISPR 11: Group 1, Class A
Group 1: Equipment has intentionally generated and/or uses conductivelycoupled radio frequency energy that is necessary for the internal function of the
equipment itself.
Class A: Equipment is suitable for use in all establishments other than domestic
and those directly connected to a low-voltage power supply network that
supplies buildings used for domestic purposes. There may be potential
difficulties in ensuring electromagnetic compatibility in other environments due
to conducted and radiated disturbances.
Wireless Radio with Adapter
Frequency Range ................................................ 2402 MHz to 2480 MHz
Output Power ...................................................... <10 mW
Performance ............................................................ EN61557-1, EN61557-2, EN61557-3,
EN61557-4, EN61557-5, EN61557-6,
EN61557-7, EN61557-10
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Electrical Installation Tester
Specific ations
Maximum Display Values
The following tables can be used for the determination of maximum or minimum display
values considering maximum instrument operating uncertainty per EN61557-1, 5.2.4.
Insulation Resistance (R
50 V 100 V 250 V 500 V 1000 V
Maximum
Limit Value
1 1.12 1 1.12 1 1.3 1 1.3 1 1.3
2 2.22 2 2.22 2 2.4 2 2.4 2 2.4
3 3.32 3 3.32 3 3.5 3 3.5 3 3.5
4 4.42 4 4.42 4 4.6 4 4.6 4 4.6
5 5.52 5 5.52 5 5.7 5 5.7 5 5.7
6 6.62 6 6.62 6 6.8 6 6.8 6 6.8
7 7.72 7 7.72 7 7.9 7 7.9 7 7.9
8 8.82 8 8.82 8 9.0 8 9.0 8 9.0
9 9.92 9 9.92 9 10.1 9 10.1 9 10.1
10 11.02 10 11.02 10 11.2 10 11.2 10 11.2
20 22.02 20 22.02 20 22.2 20 22.2 20 22.2
30 33.02 30 33.2 30 33.2 30 33.2 30 33.2
40 44.02 40 44.2 40 44.2 40 44.2 40 44.2
50 55.02 50 55.2 50 55.2 50 55.2 50 55.2
- - 60 66.2 60 66.2 60 66.2 60 66.2
- - 70 77.2 70 77.2 70 77.2 70 77.2
- - 80 88.2 80 88.2 80 88.2 80 88.2
- - 90 99.2 90 99.2 90 99.2 90 99.2
- - 100 110.2 100 110.2 100 110.2 100 110.2
- - - - 200 220.2 200 220.2 200 220.2
- - - - - - 300 347 300 345
- - - - - - 400 462 400 460
- - - - - - 500 577 500 575
- - - - - - - - 600 690
- - - - - - - - 700 805
- - - - - - - - 800 920
- - - - - - - - 900 1035
- - - - - - - - 1000 1150
Display Value
Maximum
Limit Value
Display Value
ISO
Limit Value
)
Maximum
Display Value
Maximum
Limit Value
Limit Value
Display Value
Maximum
Display Value
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Continuity (RLO)
Limit Value
0.2 0.16 3 2.68
0.3 0.25 4 3.58
0.4 0.34 5 4.48
0.5 0.43 6 5.38
0.6 0.52 7 6.28
0.7 0.61 8 7.18
0.8 0.7 9 8.08
0.9 0.79 10 8.98
1 0.88 20 17.98
2 1.78 30 26.8
Maximum Display
Value
Limit Value
Maximum Display
Value
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Electrical Installation Tester
Specific ations
Loop Tests (ZI)
Loop ZI
Hi Current
Limit
Value
0.20 0.14 - - 3 2.53 3 2.72
0.30 0.23 - - 4 3.38 4 3.62
0.40 0.32 0.40 0.28 5 4.23 5 4.52
0.50 0.41 0.50 0.37 6 5.08 6 5.42
0.60 0.50 0.60 0.45 7 5.93 7 6.32
0.70 0.59 0.70 0.54 8 6.78 8 7.22
0.80 0.68 0.80 0.62 9 7.63 9 8.12
0.90 0.77 0.90 0.71 10 8.48 10 9.02
1.00 0.86 1.00 0.79 20 16.98 20 18.02
1.10 0.95 1.10 0.88 30 25.3 30 27.2
1.20 1.04 1.20 0.96 40 33.8 40 36.2
1.30 1.13 1.30 1.05 50 42.3 50 45.2
1.40 1.22 1.40 1.13 60 50.8 60 54.2
1.50 1.31 1.50 1.22 70 59.3 70 63.2
1.60 1.40 1.60 1.30 80 67.8 80 72.2
1.70 1.49 1.70 1.39 90 76.3 90 81.2
1.80 1.58 1.80 1.47 100 84.8 100 90.2
1.90 1.67 1.90 1.56 200 169.8 200 180.2
2.00 1.76 2.00 1.64 300 253 300 272
Maximum
Display
Value
- - - - 400 338 400 362
- - - - 500 423 500 452
- - - - 600 508 600 542
- - - - 700 593 700 632
- - - - 800 678 800 722
- - - - 900 763 900 812
- - - - 1000 848 1000 902
Limit
Value
Loop ZI
No Trip
Maximum
Display
Value
Limit
Value
Loop Z
Loop RE
I
Maximum
Display
Value
Limit
Value
Maximum
Display
Value
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Users Manual
RCD/FI Tests (∆T, I∆N)
RCD/FI Time RCD/FI Current
Limit Value
20 18.1 0.5 0.43
30 27.1 0.6 0.52
40 36.1 0.7 0.61
50 45.1 0.8 0.7
60 54.1 0.9 0.79
70 63.1 1 0.88
80 72.1 2 1.78
90 81.1 3 2.68
100 90.1 4 3.58
200 180.1 5 4.48
300 271 6 5.38
400 361 7 6.28
500 451 8 7.18
600 541 9 8.08
700 631 10 8.98
800 721 20 17.98
900 811 30 26.8
1000 901 40 35.8
2000 1801 50 44.8
- - 60 53.8
- - 70 62.8
- - 80 71.8
- - 90 80.8
- - 100 89.8
- - 200 179.8
- - 300 268
- - 400 358
- - 500 448
Maximum Display
Value
Limit Value
Maximum Display
Value
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Electrical Installation Tester
Specific ations
Earth Tests (RE)
Limit Value
10 8.8 200 179.8
20 17.8 300 268.0
30 26.8 400 358.0
40 35.8 500 448.0
50 44.8 600 538.0
60 53.8 700 628.0
70 62.8 800 718.0
80 71.8 900 808.0
90 80.8 1000 898.0
100 89.8 2000 1798.0
Maximum Display
Value
Limit Value
Maximum Display
Value
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Users Manual
Electrical Measurement Specifications
The accuracy specification is defined as ±(% reading +digit counts) at 23 °C ±5 °C, ≤80 %
RH. Between -10 °C and 18 °C and between 28 °C and 40 °C, accuracy specifications
may degrade by 0.1 x (accuracy specification) per °C. The calibration cycle is 1 year.
AC Voltage Measurement (V)
Range Resolution
500 V 0.1 V 0.8 % + 3
Accuracy
45 Hz – 66 Hz
Input Impedance
320 kΩ
Overload
Protection
550 V rms
Insulation Resistance Measurement (R
Test Voltages Accuracy of Test
Model 1662
100-250-500-1000 V 50-100-250-500-1000 V +10 %, -0 %
Test
Voltage
50 V
100 V
250 V
500 V
1000 V
Note: The number of insulation tests with a new set of batteries is >2000.
Insulation
Resistance Range
10 kΩ to 50 MΩ 0.01 MΩ 1 mA @ 50 kΩ ±(3 % + 3 digits)
100 kΩ to 20 MΩ 0.01 MΩ
20 MΩ to 100 MΩ 0.1 MΩ ±(3 % + 3 digits)
10 kΩ to 20 MΩ 0.01 MΩ
20 MΩ to 200 MΩ 0.1 MΩ ±(1.5 % + 3 digits)
10 kΩ to 20 MΩ 0.01 MΩ
20 MΩ to 200 MΩ 0.1 MΩ ±(1.5 % + 3 digits)
200 MΩ to 500 MΩ 1 MΩ ±10 %
100 kΩ to 200 MΩ 0.1 MΩ
200 MΩ to 1000 MΩ 1 MΩ ±10 %
Resolution Test Current Accuracy
Model 1663
Model 1664
1 mA @ 100 kΩ
1 mA @ 250 kΩ
1 mA @ 500 kΩ
1 mA @ 1 MΩ
ISO
)
Voltage
(at rated test
current)
±(3 % + 3 digits)
±(1.5 % + 3 digits)
±(1.5 % + 3 digits)
±(1.5 % + 3 digits)
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Electrical Installation Tester
Specific ations
Auto Discharge
Discharge time constant <0.5 second for C = 1 µF
or less.
Live Circuit Detection Inhibits test if terminal voltage >30 V prior to
initiation of test.
Maximum Capacitive Load
Operable with up the 5 µF load.
Insulation Safety Pretest Connections from the Tester to L, N, and PE are
required.
Continuity Testing (RLO)
Range
(Autoranging)
Resolution
20 Ω 0.01 Ω
200 Ω 0.1 Ω
2000 Ω 1 Ω
[1] For 10 mA, add 3 digits.
Note: The number of 250 mA @ 1 Ω continuity tests with a set of new batteries is >1500.
Range Setting Display Range Test Current
250 mA
10 mA
[1] All test currents ±10 %.
Press to zero the test probe.
Test Probe Zeroing
Can subtract up to 3 Ω of lead resistance.
Error message for >3 Ω.
Live Circuit Detection
Inhibits test if terminal voltage >10 V ac detected prior to
initiation of test.
Open Circuit
Voltage
>4 V
>4 V
>4 V
0.2 Ω to 2.0 Ω
2 Ω to 160 Ω
160 Ω to 800 Ω
800 Ω to 2000 Ω
0 Ω to 800 Ω
800 Ω to 2000 Ω
Accuracy
±(1.5 % + 3 digits)
±(1.5 % + 3 digits)
±(1.5 % + 3 digits)
250 mA
250 mA to 50 mA
10 mA
2 mA
10 mA
2 mA
[1]
[1]
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Users Manual
Mains Wiring Indicator
Icons (, b, c) indicate if L-PE or L-N terminals are
reversed. Loop and RCD tests are inhibited and an error code
is generated if the input voltage is not between 100 V and
500 V. The UK Loop and RCD tests are inhibited if the L-PE or
the L-N terminals are reversed.
Loop and Line Impedance (ZI No Trip and Hi Current)
Mains Input Voltage Range
Input Connection (soft key selection)
Limit on Consecutive Tests
Maximum Test Current @ 400 V
Maximum Test Current @ 230 V
Range Resolution Accuracy
[3]
10 Ω
0.001 Ω Hi Current mΩ mode: ±(2 % + 15 digits)
20 Ω 0.01 Ω
200 Ω 0.1 Ω
2000 Ω 1 Ω ±6 %
Notes
[1] Valid for resistance of neutral circuit <20 Ω and up to a system phase angle of 30 °. Test leads
must be zeroed before testing.
[2] Valid for mains voltage >200 V.
[3] 1664 FC only.
100 - 500 V ac (45/66 Hz)
Loop Impedance: phase to earth
Line impedance: phase to neutral
Automatic shutdown when the temperature of
internal components is too hot.
20 A sinusoidal for 10 ms
12 A sinusoidal for 10 ms
[1]
No Trip mode: ±(3 % + 6 digits)
Hi Current mode: ±(2 % + 4 digits)
No Trip mode: ±(3 %)
Hi Current mode: ±(2 %)
[2]
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Electrical Installation Tester
Specific ations
Prospective Earth Fault Current (PEFC)
Prospective Short Circuit Current (PSC)
Computation
Range 0 kA to 50 kA
Resolution
and Units
Accuracy
Prospective Earth Fault Current (PEFC/I
Current (PSC/I
measured loop (L-PE) resistance or line (L-N) resistance, respectively.
Resolution Units
IK <1000 A 1 A
IK >1000 A 0.1 kA
Determined by accuracy of loop resistance and mains voltage
measurements.
) determined by dividing measured mains voltage by
K
) or Prospective Short Circuit
K
RCD Testing
RCD Types Tested
Limit on consecutive tests: Automatic shutdown for RCD tests when the temperature of
internal components is too hot.
[6]
RCD Type
[1]
AC
G
AC S
[4]
A
G • • •
A S • • •
[5]
B
G • •
B S
[1] AC – Responds to ac
[2] G – General, no delay
[3] S – Time delay
[4] A – Responds to pulsed signal
[5] B – Responds to smooth dc
[6] RCD test inhibited for V >265 ac
RCD tests permitted only if the selected current, multiplied by earthing resistance, is <50 V.
Model 1662 Model 1663 Model 1664
[2]
[3]
• • •
• • •
• •
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Test Signals
RCD Type Test Signal Description
AC
(sinusoidal)
A
(half wave)
B (DC) This is a smooth dc current according to EN61557-6 Annex A
The waveform is a sinewave starting at zero crossing, polarity
determined by phase selection (0 ° phase starts with low to high zero
crossing, 180 ° phase starts with high to low zero crossing). The
magnitude of the test current is I
The waveform is a half wave rectified sinewave starting at zero,
polarity determined by phase selection (0 ° phase starts with low to
high zero crossing, 180 ° phase starts with high to low zero crossing).
The magnitude of the test current is 2.0 x I
tests for I
(rms) x Multiplier for all tests for all other I
n = 0.01A. The magnitude of the test current is 1.4 x I∆n
∆
n x Multiplier for all tests.
∆
n (rms) x Multiplier for all
∆
n ratings.
∆
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Electrical Installation Tester
Specific ations
RCD Tripping Indicator
The RCD symbol switches on as a “good test” indicator when testing the RCD trip time
or RCD trip current if the trip time meets the following conditions:
RCD Type I
G x 1 Less than 300 ms
S x 1 Between 130 ms and 500 ms
G x 5 Less than 40 ms
S x 5 Between 50 ms and 150 ms
Trip Time Limits
∆ N
RCD Tripping Time (∆T)
Test Function
x ½, 1
x 5
Ramp
Auto
Mains voltage 100 V – 265 V ac, 45/66 Hz
[1] Type B RCDs require mains voltage range of 195 V – 265 V.
[2] Type AC RCDs only.
[3] Type A RCDs are limited to 700 mA, not available for Type B RCDs.
10 mA 30 mA 100 mA
• • • • • • •
• • •
• • • • • • •
• • •
Current
Multiplier
x ½ G 310 ms 2000 ms
x ½ S 510 ms 2000 ms
x 1 G 310 ms 310 ms
x 1 S 510 ms 510 ms
x 5 G 50 ms 50 ms
x 5 S 160 ms 160 ms
[1] G – General, no delay / S – Time delay
RCD Type
[1]
Europe UK
RCD Current Selection
[1]
300 mA
Measurement Range
[1]
500 mA
[1]
1000 mA
Trip Time Accuracy
±(1 % Reading + 1 ms)
±(1 % Reading + 1 ms)
±(1 % Reading + 1 ms)
±(1 % Reading + 1 ms)
±(1 % Reading + 1 ms)
±(1 % Reading + 1 ms)
[2]
Var
[3]
85
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RCD Tripping Current (I∆N) Measurement/Ramp Test
Current Range Step Size
30 % to 110 % of
RCD rated current
[1] 30 % to 150 % for Type A I
30 % to 210 % for Type A I
20 % to 210 % for Type B
Specified trip current ranges (EN 61008-1):
50 % to 100 % for Type AC
35 % to 140 % for Type A (>10 mA)
35 % to 200 % for Type A (≤10 mA)
50 % to 200 % for Type B
[2] 5 % for Type B
[1]
10 % of I
∆ N
∆ N
>10 mA
= 10 mA
Phase Sequence Test
Icon
Display of Phase Sequence
Mains Input Voltage Range
(phase-to-phase)
Dwell Time Measurement
Type G Type S
[2]
300 ms/step 500 ms/step
∆ N
icon. Phase Sequence indicator is active.
Displays “1-2-3” in digital display field for
correct sequence. Displays “3-2-1” for
incorrect phase. Dashes in place of a number
indicate a valid determination could not be
made.
185 V to 500 V
Accuracy
±5 %
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Electrical Installation Tester
Specific ations
Earth Resistance Test (RE)
Models 1663 and 1664 only.
Range Resolution Accuracy
200 Ω 0.1 Ω ±(2 % + 5 digits)
2000 Ω 1 Ω ±(3.5 % + 10 digits)
Range: RE + R
2200 Ω
16000 Ω 500 µA
52000 Ω 150 µA
[1] Without external voltages
[1]
Test Current
PROBE
3.5 mA
Frequency Output Voltage
128 Hz 25 V
Live Circuit Detection
Inhibits test if terminal voltage >10 V ac is
detected prior to start of test.
Auto Test Sequence
Models 1664 FC only.
Meets the specifications of the individual tests.
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/
Users Manual
Operating Ranges and Uncertainties per EN 61557
EN 61557
Function Display Range
V
EN 61557-1
RLO
EN 61557-4
R
ISO
EN 61557-2
ZI
EN 61557-3
T, I
∆N
∆
EN 61557-6
RE
EN 61557-5
Phase
EN 61557-7
Note: dgt = digits
0.0 V ac – 500 V ac
0.00 Ω - 2000 Ω
0.00 MΩ - 1000 MΩ
Z
(No Trip)
I
0.00 Ω - 2000 Ω
ZI (Hi Current)
0.00 Ω - 2000 Ω
ZI (Hi Current, Hi Res)
0 mΩ - 9999 mΩ
RE
0.00 Ω - 2000 Ω
T
∆
0.0 ms – 2000 ms
I∆N
3 mA – 550 mA
(VAR 3 mA – 700 mA)
0.0 Ω - 2000 Ω
1 : 2 : 3
Measurement
Range Operating
Uncertainty
50 V ac – 500 V ac
±(2 % + 2 dgt)
0.2 Ω - 2000 Ω
±(10 % + 2 dgt)
1 MΩ - 200 MΩ
±(10 % + 2 dgt)
200 MΩ - 1000 MΩ
±(15 % + 2 dgt)
0.4 Ω - 2000 Ω
±(15
% + 6 dgt)
0.2 Ω - 200 Ω
±(10 % + 4 dgt)
100 mΩ - 9999 mΩ
±(8 % + 20 dgt)
10 Ω - 1000 Ω
±(10 % + 2 dgt)
25 ms – 2000 ms
±(10 % + 1 dgt)
3 mA – 550 mA
±
(10 % + 1 dgt)
10 Ω - 2000 Ω
±(10 % + 2 dgt)
Nominal Values
= 230/400 V ac
U
N
f = 50/60 Hz
4.0 V dc <U
≤2.00 Ω IN ≥200 mA
R
LO
U
= 50 / 100 / 250 / 500 /
N
1000 V dc
I
= 1.0 mA
N
= 230/400 V ac
U
N
f = 50/60 Hz
= 0 A – 10.0 kA
I
K
T @ 10 / 30 / 100 / 300 / 500
∆
1000 / Var mA
I
= 10 / 30 / 100 / 300 /
∆N
500 / Var mA
f = 128 Hz
<24 V dc
Q
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Electrical Installation Tester
Specific ations
Operating Uncertainties per EN 61557
The Operating Uncertainty shows the maximum possible uncertainty when all influence
factors E1-E10 are counted.
Lo
R
Volts
ISO
R
EN 61557-4
I
Z
EN 61557-2
T
∆
EN 61557-3
∆N
I
EN 61557-6
E
R
EN 61557-6
EN 61557-5
Intrinsic
Uncertainty A
0.80 % 1.50 % 10.00 % 6.00 % 1.00 % 5.00 % 3.50 %
Influence
Quantity
E1 - Position 0.00 % 0.00 % 0.00 % 0.00 % 0.00 % 0.00 % 0.00 %
E2 - Supply
Voltage
E3 -
Temperature
E4 - Series
Interferences
Voltage
E5 - Resistance
of the probes
and auxiliary
earth electrodes
E6.2 - System
phase angle
E7 - System
frequency
E8 - System
voltage
E9 - Harmonics - - - 2.00 % - - E10 - D.C.
Quantity
Volts
0.50 % 3.00 % 3.00 % 3.00 % 3.00 % 2.75 %
0.50 % 3.00 % 3.00 % 3.00 % 3.00 % 2.25 %
- - - - - -
- - - - - -
- - - 1.00 % - - -
0.50 % - - 2.50 % - - 0.00 %
- - - 2.50 % 2.50 % 2.50 % 0.00 %
- - - 2.50 % - - -
Lo
R
ISO
R
EN 61557-4
I
Z
EN 61557-2
T
∆
EN 61557-3
∆N
I
EN 61557-6
EN 61557-6
E
R
2.00 %
1.50 %
2.00 %
4.60 %
EN 61557-5
89
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