Fluke 233 Operating Manual
233
True-rms Remote Display Digital Multimeter
Users Manual
September 2009
© 2009 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
LIMITED WARRANTY AND LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for three years from the date of purchase. This
warranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or
abnormal conditions of operation or handling. Resellers are not authorized to extend any other warranty on Fluke’s behalf.
To obtain service during the warranty period, 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 problem.
THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR
PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since some states or countries
do not allow the exclusion or limitation of an implied warranty or of incidental or consequential damages, this limitation of
liability may not apply to you.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
11/99
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
Table of Contents
Title Page
Introduction .................................................................................................................... 1
How to Contact Fluke..................................................................................................... 1
Safety Information .......................................................................................................... 2
Warnings and Cautions ............................................................................................. 2
Radio Frequency Data............................................................................................... 5
Hazardous Voltage......................................................................................................... 6
Test Lead Alert............................................................................................................... 6
Features ......................................................................................................................... 8
Error Messages.............................................................................................................. 12
Battery Saver™(Sleep Mode) ........................................................................................ 13
MIN MAX AVG Record Mode......................................................................................... 13
Display Hold ................................................................................................................... 14
Manual and Autoranging ................................................................................................ 14
Backlight......................................................................................................................... 15
Power-Up Options.......................................................................................................... 15
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How to Make Measurements ......................................................................................... 16
AC and DC Voltage Measurements .......................................................................... 16
Resistance Measurements ....................................................................................... 17
Temperature Measurements..................................................................................... 19
Continuity Tests ........................................................................................................ 19
Diode Tests............................................................................................................... 21
Capacitance Measurements ..................................................................................... 23
AC and DC Current Measurements .......................................................................... 24
Frequency Measurements ........................................................................................ 26
Remote Operation ......................................................................................................... 26
Remove the Display Module ..................................................................................... 27
Dock the Display Module with the Meter base.......................................................... 28
Maintenance .................................................................................................................. 29
General Maintenance................................................................................................ 29
Battery Replacement ................................................................................................ 29
Fuse Test.................................................................................................................. 33
Fuse Replacement.................................................................................................... 34
Service and Parts .......................................................................................................... 35
General Specifications................................................................................................... 38
Detailed Specifications .................................................................................................. 39
AC Voltage................................................................................................................ 39
DC Voltage, Conductance, and Resistance.............................................................. 40
Continuity.................................................................................................................. 40
Temperature ............................................................................................................. 40
AC Current................................................................................................................ 41
DC Current................................................................................................................ 41
Capacitance.............................................................................................................. 42
Diode ........................................................................................................................ 42
ii
Contents (continued)
Frequency ................................................................................................................. 43
Input Characteristics.................................................................................................. 43
MIN MAX Recording.................................................................................................. 44
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iv
List of Tables
Table Title Page
1. Electrical Symbols ................................................................................................................. 7
2. Display................................................................................................................................... 8
3. Inputs .................................................................................................................................... 10
4. Function Switch Positions...................................................................................................... 11
5. Error Messages ..................................................................................................................... 12
6. Power-Up Options ................................................................................................................. 15
7. Replacement Parts................................................................................................................ 35
8. Accessories........................................................................................................................... 37
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vi
List of Figures
Figure Title Page
1. AC and DC Voltage Measurements ...................................................................................... 16
2. Resistance Measurements.................................................................................................... 18
3. Continuity Tests..................................................................................................................... 20
4. Diode Test............................................................................................................................. 22
5. Capacitance Measurements.................................................................................................. 23
6. Current Measurements.......................................................................................................... 25
7. Display Module Separation.................................................................................................... 27
8. Dock Display Module with Meter Base .................................................................................. 28
9. Meter Base Battery Replacement.......................................................................................... 30
10. Display-Module Battery Removal .......................................................................................... 32
11. Fuse Test .............................................................................................................................. 33
12. Fuse Replacement ................................................................................................................ 34
13. Replacement Parts................................................................................................................ 36
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Introduction
The Fluke 233 (hereafter the Meter) is a compact and
easy to operate tool for electrical and electronic circuit
measurements.
XWWarning
Read "Safety Information" before you use the
Meter.
How to Contact Fluke
Use one of the telephone numbers below to speak with a
Fluke representative:
Technical Support USA: 1-800-44-FLUKE (1-800443-5853)
Calibration/Repair USA: 1-888-99-FLUKE (1-888993-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: +31 402-675-200
Japan: +81-3-3434-0181
Singapore: +65-738-5655
Anywhere in the world: +1-425-446-5500
Or, visit Fluke's website at www.fluke.com
To register your product, visit http://register.fluke.com
To see, print, or download the latest manual supplement,
visit http://us.fluke.com/usen/support/manuals
.
.
.
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Safety Information
The Meter complies with:
• ISA-82.02.01
• CAN/CSA C22.2 No. 61010-1-04
• ANSI/UL 61010-1:2004
• EN 61010-1:2001
• EN 61326-1:2006
• EN 61326-2-2:2006
• ETSI EN 300 328 V1.7.1:2006
• ETSI EN 300 489 V1.8.1:2008
• FCC Part 15 Subpart C Sections 15.207,
15.209, 15.249 FCCID: T68-F233
• RSS-210 IC: 6627A-F233
• Measurement Category III, 1000V, Pollution
Degree 2
• Measurement Category IV, 600V, Pollution
Degree 2
In this manual, a Warning identifies the conditions and
procedures that cause a dangerous situation to the user.
A Caution identifies the conditions and procedures that
could cause damage to the Meter, equipment under test
damage, or permanent data loss.
The symbols used on the Meter and in this manual are
shown in Table 1.
Warnings and Cautions
XWWarning
To prevent possible electrical shock or
personal injury, follow these guidelines:
• Use this Meter only as specified in this
manual or the protection can be
compromised.
• Do not use the Meter if it is damaged.
Before you use the Meter, examine the
case. Look for cracks or missing plastic.
Carefully look at the insulation around
the terminals.
• Make sure the battery door is closed and
locked before you operate the Meter.
• Replace the batteries when the battery
indicator () appears.
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True-rms Remote Display Digital Multimeter
Safety Information
• Remove the test leads from the Meter
before the battery door on the Meter
base is opened.
• Examine the test leads for damaged
insulation or exposed metal. Measure the
test leads for continuity. Replace
damaged test leads before you use the
Meter.
• Do not apply more than the rated
voltage, shown on the Meter, between
the terminals or between a terminal and
earth ground.
• Do not operate the Meter with the battery
door removed or the case open.
• Be careful around voltages >30 V ac rms,
42 V ac peak, or 60 V dc. These voltages
pose a shock hazard.
• Use only the replacement fuse specified
by the manual.
• Use the correct terminals, function, and
range for measurements.
• Do not work alone.
• For current measurements, connect the
Meter to the circuit after you remove
circuit power. Always put the Meter in
series with the circuit.
• Connect the common test lead before
the live test lead and remove the live test
lead before the common test lead.
• Do not use the Meter if it operates
incorrectly. Protection can be
compromised. If you are unsure, have
the Meter examined.
• Do not use the Meter around explosive
gas, vapor or in damp or wet
environments.
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• Use only specified 1.5-V AA batteries
(three in the Meter base and two in the
display), correctly installed, for Meter
power.
• Comply with local and national safety
requirements when in hazardous
locations.
• Only use test leads that have the same
voltage, category, and amperage ratings
as the Meter and that are approved by a
safety Agency.
• Measure a known voltage first to make
sure that the Meter operates correctly. If
you are unsure, have the Meter
examined.
• Use protective equipment, as directed by
local or national authorities when in
hazardous work areas.
• Measure the test leads for continuity
before use. Do not use if the resistance
is high or noisy.
• Use only specified replacement parts in
the Meter.
• Keep fingers behind the finger
guards on the probes.
WCaution
To prevent damage to the Meter or to the
equipment under test, follow these
guidelines:
• Disconnect circuit power and discharge
all high-voltage capacitors before you do
diode tests or measure resistance,
continuity, or capacitance.
• Use the correct terminals, function, and
range for all measurements.
• Before a current measurement, do the
fuse test.
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True-rms Remote Display Digital Multimeter
Safety Information
Radio Frequency Data
Note
Changes or modifications to the wireless 2.4
GHz radio not expressly approved by Fluke
Corporation could void the user’s authority to
operate the equipment.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the two conditions that follow: (1)
this device can not cause interference, and (2) this device
must accept any interference, including interference that
can cause undesired operation of the device.
Class B digital device: A digital device that is marketed for
operation in a residential environment notwithstanding
use in commercial, business and industrial environments.
Examples of such devices include, but are not limited to,
personal computers, calculators, and equivalent
electronic devices that are marketed for operation by the
general public.
The Meter was tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses,
and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions,
can cause harmful interference to radio communications.
However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does
cause harmful interference to radio or television
reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to
correct the interference by one or more of the measures
that follow:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment
and receiver.
• Consult the dealer or an experienced radio/TV
technician for help.
The term “IC:” before the radio certification number only
signifies the device meets Industry’s Canada technical
specifications.
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Hazardous Voltage
When the Meter senses a voltage ≥30 V or a voltage
overload (), the symbol is shown on the display and
the red high-voltage LED on the Meter base illuminates to
tell you a hazardous voltage is at the Meter input. For
frequency measurements >1 kHz, the symbol and highvoltage LED is unspecified.
Test Lead Alert
XWWarning
To prevent personal injury or damage to the
Meter do not make a measurement with a test
lead in an incorrect terminal.
To make sure that you have the test leads in the correct
terminals, briefly shows in the display and a beep
sounds when you move the function switch to or from an
A (Amps) position.
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True-rms Remote Display Digital Multimeter
Test Lead Alert
Table 1. Electrical Symbols
B
F
X
W
R
CAT
III
~
®
AC (Alternating Current)
DC (Direct Current)
Hazardous voltage
Risk of Danger. Important information.
See Manual.
Battery. Low battery when shown.
Continuity test or continuity beeper tone.
IEC Measurement Category III
CAT III equipment has protection against
transients in equipment in fixedequipment installations, such as
distribution panels, feeders and short
branch circuits, and lighting systems in
large buildings.
Do not discard this product as unsorted
municipal waste. Go to the Fluke website
for recycling data.
Examined and licensed by TÜV Product
Services.
J
I
P
)
T
E
CAT
IV
O
;
Earth ground
Fuse
Conforms to European Union directives.
Conforms to relevant Canadian Standards
Association directives.
Double insulated
Capacitance
IEC Measurement Category IV
CAT IV equipment has protection against transients
from the primary supply level, such as an electricity
meter or an overhead or underground utility service.
Diode
Conforms to relevant Australian standards.
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