TRMS LEAKAGE CURRENT
CLAMP-ON METER
566
ENGLISH
User Manual
Statement of Compliance
Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments
certifies that this instrument has been calibrated
using standards and instruments traceable to
international standards.
We guarantee that at the time of shipping
your instrument has met its published
specifications.
An NIST traceable certificate may be
requested at the time of purchase, or
obtained by returning the instrument to our
repair and calibration facility, for a nominal
charge.
The recommended calibration interval for
this instrument is 12 months and begins
on the date of receipt by the customer. For
recalibration, please use our calibration
services. Refer to our repair and calibration
section at www.aemc.com.
Serial #: _____________________________
Catalog #: 2139.83
Model #: 566
Please fill in the appropriate date as indicated:
Date Received: _________________________
Date Calibration Due: ____________________
Chauvin Arnoux®, Inc. d.b.a AEMC® Instruments
www.aemc.com
Table of Contents
1. INTRODUCTION .................................... 1
1.1 International Electrical Symbols .............2
1.2 Receiving Your Shipment .......................2
1.3 Ordering Information ..............................2
2. PRODUCT FEATURES ........................... 3
2.1 Description .............................................3
2.2 Model 566 Control Features...................4
2.3 LCD Display ...........................................5
2.4 Button Functions ....................................6
2.4.1 HOLD / LPF Button ...................6
2.4.2 PEAK / Ω Button ...................6
2.4.3 ZERO (Relative) Button .............7
2.4.4 Backlight Button ........................7
2.4.5 Auto-OFF ...................................7
3. SPECIFICATIONS .................................. 8
3.1 Electrical Specications .........................8
3.2 Mechanical Specications ....................10
3.3 Environmental Specications ...............10
3.4 Safety Specications ............................10
4. OPERATION ........................................ 11
4.1 Precautions Before Use ....................... 11
4.2 AC Current Measurement ....................12
4.3 AC Voltage Measurement ....................14
4.4 DC Voltage Measurement ....................15
4.5 Resistance Measurement ....................16
4.6 Continuity Measurement ......................17
Clamp-on Meter Model 566
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5. MAINTENANCE ................................... 20
5.1 Warning ................................................20
5.2 Cleaning ...............................................20
5.3 Battery Replacement............................21
Repair and Calibration ........................................22
Technical and Sales Assistance .........................22
Limited Warranty ................................................23
Warranty Repairs ................................................23
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Clamp-on Meter Model 566
CHAPTER 1
INTRODUCTION
Warning
• Read the user manual before operating and
follow all safety information.
• Only use the meter as specied in this user
manual.
• Never use this meter on a circuit with voltages greater than 600Vrms @ 50/60Hz.
• Never measure current while the test leads
are connected to the input jacks.
• Do not operate the meter if the case or
tests leads look damaged.
• Only use factory supplied leads.
• Check the rotary range switch and make
sure it is at the correct position before each
measurement.
• Do not perform resistance and continuity
test on a live circuit.
• Use extreme caution when measuring live
systems with voltages greater than 60VDC
or 30VAC.
• Use extreme care when working around
bus bars and bare conductors.
• Do not use the meter in over range/overload conditions (OL).
• For accurate readings, change the battery
when the symbol appears.
Clamp-on Meter Model 566
1
1.1 International Electrical Symbols
This symbol signies that the instrument is
prtected by double or reinforced insulation.
WARNING - refer to this manual for instructions
before operating the instrument. This symbol
indicates that if the instructions are not followed,
bodily injury, installation/sample and product
damage may result.
Risk of electric shock. The voltage at the parts
marked with this symbol may be dangerous.
Do not operate within external low frequency
magnetic elds >30A/m.
1.2 Receiving Your Shipment
Upon receiving your shipment, make sure that the
contents are consistent with the packing list. Notify
your distributor of any missing items. If the equipment
appears to be damaged, le a claim immediately with
the carrier and notify your distributor at once, giving a
detailed description of any damage. Save the damaged
packing container to substantiate your claim.
1.3 Ordering Information
TRMS Clamp-on Leakage Current
Meter Model 566....................................... Cat. #2139.83
Includes meter, test leads, two 1.5V AAA (LR03)
batteries, soft carrying case and user manual.
1.3.1 Accessories and Replacement Parts
Replacement Pouch .................................. Cat. #2118.94
AC Line Splitter Model ALS-1 .................... Cat. #2121.05
Leads, set of 2 w/4mm right angle plugs
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Clamp-on Meter Model 566
... Cat. #2154.74
CHAPTER 2
PRODUCT FEATURES
2.1 Description
The TRMS Clamp-on Meter Model 566 is designed to
measure low AC currents, which are typically leakage
currents in ground conductors. Low currents are
measured in the 60mA and 600mA ranges. Note the high
sensitivity of the probe: 1uA, 10uA, and 100uA resolution
when measuring mA. This is possible through special
jaw construction and in particular critical shielding of the
jaws. At low measurement levels, shielding out noise is
critical for low sensitivity, accuracy and stability.
Leakage current may be measured on a ground
conductor and through the vector sum on multiconductors. On a grounded system, clamp around the
two or three conducting legs (not the ground conductor).
The vector sum of the load currents will cancel out,
leaving the leakage current measured.
You can also use the Model 566 as a standard clamp-on
meter to 60Arms, plus standard VAC, VDC ranges,
resistance and continuity with a buzzer. In mAAC and
AAC, the user can activate a low-pass lter (LPF) to
ignore all currents other than 50/60Hz. In this mode, only
the fundamental signal is measured.
The Model 566 is ergonomic in design and ts well in the
hand. Also, one hand operation is possible. The jaw size
is compact yet designed to accommodate most known
ground conductors up to 0.91" (23mm) in diameter.
Clamp-on Meter Model 566
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2.2 Model 566 Control Features
A
I N S
E
T R U M
M
E N T
C
S
M
O
D
E
L
5
6
6
1. Jaw assembly (Ø 0.91", 23mm)
2. Safety barrier anti-slip guard
3. Backlight button
4. Jaw trigger for jaw opening/closing
5. Function select rotary dial
6. ZERO button
7. PEAK / Ω button
8. HOLD / LPF button
9. LCD display
10. COM (Black) input terminal jack
11. Positive (Red) input terminal jack
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Clamp-on Meter Model 566
2.3 LCD Display
AC measurement indicator
DC measurement indicator
A
V
Current measurement indicator
Voltage measurement indicator
ZERO
HOLD
PEAK
K
Ω
Resistance measurement indicator
m
Auto-o indicator
Polarity indicator
Low battery indicator
Zero indicator
Data hold indicator
Peak hold indicator
Low pass lter indicator
Continuity test indicator
Measurement unit
Measurement unit
Clamp-on Meter Model 566
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2.4 Button Functions
2.4.1 HOLD / LPF Button
This button has two functions, HOLD and LPF (Low
Pass Filter).
HOLD
This function locks (holds) the measurement currently
displayed on the LCD.
1. To activate, press the HOLD button during the
measurement. The HOLD symbol appears and the
measurement is locked.
2. To deactivate, press the HOLD button again.
LPF (Low Pass Filter)
The cut-o frequency of the low pass lter is approximately 60Hz with an attenuation characteristic of
approximately -24dB/octave.
1. To activate the LPF feature, press and hold down the
HOLD button for approximately 2 seconds until the
symbol appears on the LCD.
2. To deactivate, press and hold down the button again
for approximately 2 seconds. The meter will return to
normal operation mode.
Note: This feature is active when the rotary switch is set
to AAC or mAAC.
2.4.2 PEAK / Ω Button
1. Press the PEAK button to enter PEAK mode. In this
mode the instrument records the peak maximum
value. Press PEAK again to return to normal mode.
2. With the rotary switch set to Ω, press PEAK to
enter resistance measurement mode. Press PEAK a
second time to enter continuity test mode.
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Clamp-on Meter Model 566
2.4.3 ZERO (Relative) Button
This function can be used to compare two voltage
measurements (e.g. to determine a voltage drop) or to
compensate for the resistance of the leads when making
low resistance measurements.
1. Press the ZERO button to enter Zero mode. The
ZERO symbol appears on the display. The reading
is stored as a reference value for subsequent
measurements.
2. To exit Zero mode, press the ZERO button again.
2.4.4 Backlight Button
Press the button to turn the backlight on. Press it
again to turn it o. When the backlight is on, the meter
will automatically turn it o after about 30 seconds.
2.4.5 Auto-OFF
The Model 566 will automatically shut down if there is no
activity for approximately 30 minutes.
1. To disable the Auto-OFF function, turn the rotary
switch to OFF.
2. Press and hold down the HOLD button and set the
rotary switch to any position other than OFF.
3. The symbol disappears and the Auto-OFF
feature is deactivated.
Clamp-on Meter Model 566
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CHAPTER 3
SPECIFICATIONS
Reference Conditions: Accuracy given at 73°F ± 9°F (23°C ± 5°F),
≤ 80% RH, Conductor Centered in A, Sine wave 48-65Hz, No AC
Magnetic Field, External Magnetic Field <40A/m, True RMS (no DC
component) for V, A and mA accuracy are specied from 5% to 100%
of range. Accuracy add ±1% of Reading on Crest Factor 1.4<CF<3 at
full-scale & CF<6 at mid-scale.
3.1 Electrical Specifications
ACmA Current (TRMS, Auto-ranging)
Range Res Accuracy Max
6mA 0.001mA
60mA 0.01mA
600mA 0.1mA
Max Voltage to Ground: 600V
Zero correction: Currents smaller than approximately 0.006mA
display as zero.
Low Pass Filter
Range Res Accuracy
6mA 0.001mA
60mA 0.01mA
600mA 0.1mA
1.0% Rdg ± 8cts (50 to 60Hz)
2.0% Rdg ± 8cts (60 to 500Hz)
1.0% Rdg ± 5cts (50 to 60Hz)
2.0% Rdg ± 5cts (60 to 500Hz)
2.0% Rdg ± 8cts
2.0% Rdg ± 5cts
660mArms
AC Current (TRMS, Auto-ranging)
Range Res Accuracy Max
6A 1mA
60A 10mA
Max Voltage to Ground: 600V
8
1.0% Rdg ± 5cts (50 to 60Hz)
2.0% Rdg ± 5cts (60 to 500Hz)
Clamp-on Meter Model 566
66Arms
Low Pass Filter
Range Res Accuracy
6A 0.001A
60A 0.01A
2.0% Rdg ± 5cts
AC Voltage (TRMS)
Range Res Accuracy Max
60V 0.01V
600V 0.1V
Max Voltage to Ground: 600V
Input Impedance: 2MΩ
1.0% Rdg ± 3cts
660Vrms
DC Voltage
Range Res Accuracy Max
60V 0.01V
600V 0.1V
Input Impedance: 2MΩ
1% Rdg ± 2cts 660Vrms
Continuity ( )
Range Buzzer
Ohm < 45Ω
Resistance (Ω)
Range Res Accuracy
600Ω 0.1Ω
6kΩ 0.001kΩ
60kΩ 0.01kΩ
600kΩ 0.1kΩ
1% Rdg ± 2cts
Overload: is displayed
Nominal Sample Rate: ~2 measurements/sec
Power Supply: Two 1.5V AAA batteries
Low Battery Indication: is displayed when batteries
fall below the voltage required for proper operation
Clamp-on Meter Model 566
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Polarity: indicates negative signal is being applied
Battery Life (without buzzer or backlight):
• 40 hours running AC current and voltage functions
• 60 hours running DC voltage and resistance functions
Auto Power O: ~30 minutes with over-ride
3.2 Mechanical Specifications#
Digital Display: 4-digit LCD display (6000 max)
Display Backlight: LED with backlight; 30s Auto-OFF
Jaw Opening Size: 0.91" (23mm)
Dimensions: 8.27 x 3 x 1.32" (210 x 76 x 33.5mm)
Weight: 10.4 oz (296g) with batteries (meter only)
3.3 Environmental Specifications
Altitude: 2000m (6000ft)
Operating Temperature: 32° to 104°F (0° to 40°C),
<80% RH, non-condensing
Storage Temperature: 14° to 140°F (-10° to 60°C),
<80% RH, batteries removed
3.4 Safety Specifications
IEC61557-13: Class 2, ≤ 30A/m
600V CAT III
Double Insulation; Pollution Degree 2
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Clamp-on Meter Model 566
CHAPTER 4
OPERATION
4.1 Precautions Before Use
IMPORTANT WARNING
• DO NOT touch the voltage input
jacks when measuring current.
• DO NOT measure current while the
test leads are connected to the input
jacks.
• DO NOT touch the jaw’s magnetic
core when measuring voltage.
Clamp-on Meter Model 566
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4.2 AC Current Measurement
mA
Remove test leads before measuring current.
1. T
urn the rotary switch to the A or
The current to be measured should fall within the
selected range
2. To make a normal current measurement, press
the jaw trigger to open the clamp meter jaws and
close them over one conductor only. The measured
current value appears on the LCD. Earth leakage
current or any small AC current that ows through a
ground wire can also be measured by this method.
.
setting.
3.
To freeze the reading, push the HOLD button. Push
the button again to release.
Immediately unclamp the meter from the
conductor if " " is displayed.
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Clamp-on Meter Model 566
4. To measure out of balance leakage current, clamp
60A
300V
CAT IV
60A
300V
CAT IV
60A
300V
CAT IV
onto all conductors except the ground wire. The
imbalance current appears on the LCD.
3-phase 3-wire
Single-phase 2-wire
Clamp-on Meter Model 566
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4.3 AC Voltage Measurement
WARNING: Maximum Input Voltage is 600VAC.
Do not exceed this voltage to avoid electrical
shock and/or damage to the instrument.
1. Turn the rotary range switch to the setting.
2. Insert the red test lead to the red input jack and the
black lead to the black "COM" input jack.
3. Bring the test probe tips into contact with the test
points.
WARNING: Immediately remove the leads from
the conductor if " " is displayed.
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Clamp-on Meter Model 566
4.4 DC Voltage Measurement
WARNING: Maximum Input Voltage is 600VDC.
Do not exceed this voltage to avoid electrical
shock and/or damage to the instrument
1. Turn the rotary switch to the setting.
2. Insert the red test lead to the red input jack and the
black lead to the black "COM" input jack.
3. Bring the test probe tips into contact with the test
points.
WARNING: Immediately remove the leads from
the conductor if " " is displayed.
Clamp-on Meter Model 566
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4.5 Resistance Measurement
1. Turn the rotary switch to the setting.
2. Insert the red test lead to the red input jack and the
black lead to the black "COM" input jack.
3. Bring the test probe tips into contact with the sample
under test.
WARNING: When testing resistance, make sure
that there is no power in the tested sample or
circuit (dead circuit). Also make sure the current
is fully discharged. This may be checked by
using the voltage functions.
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Clamp-on Meter Model 566
4.6 Continuity Measurement
Open circuit
no beep
Short circuit
with beep
1. Turn the rotary switch to the setting.
2. Insert red test lead to the red input jack and the
black lead to the black "COM" input jack.
3. Bring the test probe tips into contact with the sample
under test.
4. If the resistance is less than 45Ω, the beeper emits a
continuous sound.
WARNING: When testing continuity, make sure
that there is no power in the tested sample or
circuit (dead circuit). Also make sure the current
is fully discharged. This may be checked by
using the voltage functions.
Clamp-on Meter Model 566
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CHAPTER 5
MAINTENANCE
5.1 Warning!
• Remove the test leads from any input and sample
before opening the case.
• Remove the clamp from any circuit.
• Do not operate the clamp-on probe without a battery
case cover.
• To avoid electrical shock, do not attempt to perform
any servicing unless you are qualied to do so.
• To avoid electrical shock and/or damage to the instrument, do not get water or other foreign agents into the
probe.
5.2 Cleaning
• To clean the probe, wipe the case with a damp cloth
and mild detergent.
• Do not use abrasives or solvents.
• Do not get water inside the case. This may lead to
electrical shock or damage to the instrument.
• Thoroughly dry all parts before using again.
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Clamp-on Meter Model 566
5.3 Battery Replacement
The symbol will appear on the LCD display when
the voltage drops below proper operating range. This
indicates that the batteries need to be changed.
It is recommended to replace both batteries at the same
time.
1. The meter must be in the OFF position and discon-
nected from any circuit or input.
2. Place the meter face down and loosen the battery
cover screw with a at head screwdriver.
3. Replace the batteries with two fresh 1.5V AAA
(LR03) batteries.
4. Replace the battery compartment cover and tighten
down the screw.
Clamp-on Meter Model 566
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Repair and Calibration
To ensure that your instrument meets factory specications, we
recommend that it be submitted to our factory Service Center
at one-year intervals for recalibration, or as required by other
standards or internal procedures.
For instrument repair and calibration:
You must contact our Service Center for a Customer Service
Authorization Number (CSA#). This will ensure that when your
instrument arrives, it will be tracked and processed promptly.
Please write the CSA# on the outside of the shipping container. If
the instrument is returned for calibration, we need to know if you
want a standard calibration, or a calibration traceable to N.I.S.T.
(Includes calibration certicate plus recorded calibration data).
Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments
15 Faraday Drive • Dover, NH 03820 USA
Tel: (800) 945-2362 or (603) 749-6434 (Ext. 360)
Fax: (603) 742-2346 or (603) 749-6309
E-mail: repair@aemc.com
(Or contact your authorized distributor)
Costs for repair, standard calibration, and calibration traceable to
N.I.S.T. are available.
NOTE: A CSA# must be obtained before returning any
instrument.
Technical Assistance
If you are experiencing any technical problems, or require any
assistance with the proper operation or application of your
instrument, please call, mail, fax or e-mail our technical support
hotline:
Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments
15 Faraday Drive • Dover, NH 03820 USA
Tel: (800) 945-2362 or (603) 749-6434 (Ext. 351)
Fax: (603) 742-2346 or (603) 749-6309
E-mail: techsupport@aemc.com
www.aemc.com
20
Clamp-on Meter Model 566
Limited Warranty
The Model 566 is warranted to the owner for a period of two
years from the date of original purchase against defects
in manufacture. This limited warranty is given by AEMC®
Instruments, not by the distributor from whom it was purchased.
This warranty is void if the unit has been tampered with, abused
or if the defect is related to service not performed by AEMC®
Instruments.
For full warranty coverage detail and
registration, go to www.aemc.com
What AEMC® Instruments will do: If a malfunction occurs
within the warranty period, you may return the instrument to us
for repair, provided we have your warranty registration informa-
tion on le or a proof of purchase. AEMC® Instruments will, at its
option, repair or replace the faulty material.
REGISTER ONLINE AT: www.aemc.com
Warranty Repairs
What you must do to return an Instrument for Warranty
Repair:
First, request a Customer Service Authorization Number (CSA#)
by phone or by fax from our Service Department (see address
below), then return the instrument along with the signed CSA
Form. Please write the CSA# on the outside of the shipping container. Return the instrument, postage or shipment pre-paid to:
Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments
Service Department
15 Faraday Drive • Dover, NH 03820 USA
Tel: (800) 945-2362 (Ext. 360)
(603) 749-6434 (Ext. 360)
Fax: (603) 742-2346 or (603) 749-6309
E-mail: repair@aemc.com
Caution: To protect yourself against in-transit loss, we recommend you insure your returned material.
NOTE: All customers must obtain a CSA# before returning
any instrument.
Clamp-on Meter Model 566
21
05/21
99-MAN 100553 v2
Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments
15 Faraday Drive • Dover, NH 03820 USA
www.aemc.com
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