Amprobe AMB-45 Operating Manual
0.2
0
EXIT
DATA
Capture
COM
AMB-45
10050M
10M
20
5
2
M1
0.5
300
200
100
0
200
500
1GK
500
600
400
2
700
800
5
900
1000
Digital
Megohmmeter
Insulation
Resistance Tester
STORE
/
ZERO
HOLD
REC
User Manual
REC
OFF
1000V
600V CAT
1000V CAT
500V
INTV
MΩ
EN FR
250V
Ω
V
III
II
AMB
MΩ
VΩ
45
ES
AMB-45
Digital Megohmmeter
Insulation Resistance Tester
User Manual
English
02/2012, Rev.3
©2017 Amprobe Test Tools.
All rights reserved. Printed in Taiwan
Limited Warranty and Limitation of Liability
Your Amprobe product will be free from defects in material and workmanship for 1 year from the
date of purchase, unless local laws require otherwise. 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 Amprobe’s
behalf. To obtain service during the warranty period, return the product with proof of purchase to an
authorized Amprobe Test Tools Service Center or to an Amprobe dealer or distributor. See Repair Section
for details. THIS WARRANTY IS YOUR ONLY REMEDY. ALL OTHER WARRANTIES - WHETHER EXPRESS,
IMPLIED OR STAUTORY - INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR
MERCHANTABILITY, ARE HEREBY DISCLAIMED. MANUFACTURER SHALL NOT BE 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.
Repair
All Amprobe returned for warranty or non-warranty repair or for calibration should be accompanied
by the following: your name, company’s name, address, telephone number, and proof of purchase.
Additionally, please include a brief description of the problem or the service requested and include the
test leads with the meter. Non-warranty repair or replacement charges should be remitted in the form of
a check, a money order, credit card with expiration date, or a purchase order made payable to Amprobe.
In-Warranty Repairs and Replacement – All Countries
Please read the warranty statement and check your battery before requesting repair. During the warranty
period, any defective test tool can be returned to your Amprobe distributor for an exchange for the same
or like product. Please check the “Where to Buy” section on amprobe.com for a list of distributors near you.
Additionally, in the United States and Canada, in-warranty repair and replacement units can also be sent to an
Amprobe Service Center (see address below).
Non-Warranty Repairs and Replacement – US and Canada
Non-warranty repairs in the United States and Canada should be sent to an Amprobe Service Center. Call
Amprobe or inquire at your point of purchase for current repair and replacement rates.
In USA In Canada
Amprobe Test Tools Amprobe Test Tools
Everett, WA 98203 Mississauga, ON L4Z 1X9
Tel: 877-AMPROBE (267-7623) Tel: 905-890-7600
Non-Warranty Repairs and Replacement – Europe
European non-warranty units can be replaced by your Beha-Amprobe distributor for a nominal charge.
Please check the “Where to Buy” section on beha-amprobe.com for a list of distributors near you.
Beha-Amprobe
Division and reg. trademark of Fluke Corp. (USA)
The Netherlands - Headquarters**
Science Park Eindhoven 5110
5692 EC Son
The Netherlands
Phone: +31 (0) 40 267 51 00
beha-amprobe.com
*(Correspondence only – no repair or replacement available from this address. European customers please
contact your distributor.)
**single contact address in EEA Fluke Europe BV
Germany*
In den Engematten 14
79286 Glottertal
Germany
Phone: +49 (0) 7684 8009 - 0
beha-amprobe.de
United Kingdom
52 Hurricane Way
Norwich, Norfolk
NR6 6JB United Kingdom
Phone: +44 (0) 1603 25 6662
beha-amprobe.com
SYMBOL DEFINITION AND BUTTON LOCATION
RS - 232
10050M
10M
20
200
5
REC
500
1GK
500
600
ZERO
2
700
800
5
9
00
1000
/
HOLD
REC
INTV
400
300
1000V
500V
M
250V
V
45
AMB
III
600V CAT
M
V
II
1000V CAT
EXIT
0
COM
2
M1
0.5
0.2
200
00
1
0
STORE
OFF
RS232 connector REC interval setup button
LCD display
REC button
Data capture button
AC/DC button / ZERO button
Data hold button
TEST button
1
Insulation timer button
Function selection dial
Black terminal
Red terminal
Battery compartment cover
Foldable stand
SYMBOL DEFINITION AND BUTTON LOCATION
Low battery
Analog bar display
Data in capture memory
High voltage warning
Data hold
Data capture mode indication
Second digit display
Low ohm zero function
REC in process
Memory full
Analog bar scale
Data recording
REC interval symbol
Insulation test timer symbol
Continuity buzzer function
Measuring unit
Main digit display
2
AMB-45 Digital Megohmmeter Insulation Resistance Tester
CONTENTS
SYMBOL DEFINITION AND BUTTON LOCATION ....................................................................... 1
SAFETY SYMBOLS ...................................................................................................................... 3
SAFETY INFORMATION .............................................................................................................. 4
Environment Conditions ..................................................................................................... 4
Maintenance & Cleaning .................................................................................................... 4
GENERAL SPECIFICATION ............................................................................................................ 4
ELECTICAL SPECIFICATION .......................................................................................................... 5
SAUTO POWER OFF ..................................................................................................................... 5
BATTERY CHANGING ................................................................................................................... 5
FUSE CHANGING .......................................................................................................................... 5
MEASURING FUNCTION .............................................................................................................. 6
ACV Function ....................................................................................................................... 6
DCV Function ....................................................................................................................... 6
Low Ohm Function and Continuity Function .................................................................... 6
MegaOhm Function ............................................................................................................ 6
SAFETY SYMBOLS
�
Caution (Refer to this manual before using the meter)
Dangerous voltages, risk of electric shock.
Meter is protected throughout by double insulation. When servicing, use only specified
replacement parts.
Underwriters Laboratories Inc. [Note: Canadian and US.]
3
SAFETY INFORMATION
• Read the following safety information carefully before attempting to operate or service the meter.
• The circuit under test must be de-energized and isolated before connections are made except for voltage
measurement.
• Circuit connections must not be touched during a test.
• After insulation test, capacitance circuits must be allowed to discharge before disconnecting the test leads.
• To avoid damages to the instrument do not apply the signals, which exceed the maximum limits shown in
the technical specification tables, to the meter.
• Do not use the meter or test leads if they look damaged. Use extreme caution when working around bare
conductors or bus bars.
• Use the meter only as specified in this manual; otherwise, the protection provided by the meter may be
impaired.
• Caution when working with voltages above 60V DC or 30 V AC RMS. Such voltages pose a shock hazard.
• Before taking resistance measurements or testing acoustic continuity, disconnect circuit from main power
supply and all loads from the circuit.
Environment Conditions
• Installation Categories III 600V, Categories II-1000V
• Pollution Degree 2
• Altitude up to 2000 meters
• Indoor use only
• Relatively humidity 80% max.
• Operation Temperature 0 ~ 40℃
Maintenance & Cleaning
• Only qualified personnel should perform repairs or servicing not covered in this manual.
• Periodically wipe the case with a dry cloth. Do not use abrasives or solvents on these instruments.
GENERAL SPECIFICATION
• Display: 70 x 46mm Big LCD Panel with 60 segments analog bar Indication.
• Over range Indication: “OL” will be shown on the LCD Panel when out of range measurement is made,
except for insulation resistance test, where the “HI“ will be shown.
• Low Battery Indication: The will be show when the battery need to be changed.
• Sampling Rate: 2.5 times/sec Digital Display; 10 times/sec Bar Graph
• Power Source: 1.5V AA size Battery X 8
• Operating Temperature and Humidity: 0℃ to 40℃ (32℃ to 104℃), below 80% RH
• Storage Temperature: -10℃ to 60℃ (14℃ to 140℃)
• Dimension: 230 x 116 x 62 mm (9 x 4.6 x 2.4 inch)
• Weight (with battery): Approx. 750g (1.65 lb.)
• Accessories: Test Lead, Large Jaw Alligator Clips, Battery, Carrying Case, Software, RS-232 Cable, Users
Manual.
4
ELECTRICAL SPECIFICATION
AC Voltage (50-500 Hz)
Range Resolution Accuracy
600V 0.1V ±(1.5% rdg + 5 dgts)
DC Voltage
Range Resolution Accuracy
600V 0.1V ±(1% rdg + 3 dgts)
Ω Ohms (Autoranging)
Range Resolution Accuracy
400Ω 0.1Ω
4000Ω 1Ω
Continuity Beeper
Range Active Protection
MΩ ( Autoranging )
Range Resolution Accuracy
4/40/400/4000MΩ ( 250V)
4/40/400/4000MΩ ( 500V)
4/40/400/4000MΩ ( 1000V)
Recording Length: 4000 records
< 40Ω 250Vrms
0.001 / 0.01 / 0.1 / 1 MW
±(1% rdg + 5 dgts)
±(3% rdg + 5 dgts) < 2 GΩ
±(5% rdg + 5 dgts) < 4 GΩ
AUTO POWER OFF
When the tester is idle for thirty minutes, with no function selector or button operation, it will turn itself off
automatically. To turn the tester on again, the user has to turn the function selector to “OFF” position, then the
selected function.
BATTERY CHANGING
When appears on the LCD, the battery need to be replaced with new ones. To replace the battery the
user should turn the function selector to OFF position. Then the user needs to open the battery compartment
cover with a screwdriver. Eight AA 1.5V batteries are needed to replace the old ones. After all Batteries are
changed, put the cover back and fasten the screw.
FUSE CHANGING
When connect the meter under Ohm rang to a source > 10V, the protection fuse will break the circuit and new
one will be needed for replacement. To replace the fuse, user should prepare an F 0.5A 600V fuse. First, the user
should turn the tester off and remove the test leads then remove the Back Cover and Replace the fuse.
5
MEASURING FUNCTIONS
ACV Function
Turn function selector to voltage range. Connect black test lead to Black terminal and red one to
the Red terminal. Connect test lead to the test circuit in parallel. Operator can hold the reading by
pressing the
key.
DCV Function
Turn function selector to voltage range. Connect black test lead to Black terminal and red one to the Red
terminal.
Press the
parallel. One can hold the reading by pressing the
button to change the mode form ACV to DCV function. Connect test lead to the test circuit in
key.
Low Ohm Function And Continuity Function
Turn function selector to Ohm range. Connect black test lead to Black terminal and red one to the Red terminal.
Connect test lead to the test circuit in parallel. If the reading is less than 40 Ohm, the continuity beeper will
sound.
One may null the lead resistance (under 40 Ohm) by shorting the test lead than press the
the lead resistance is recorded a ZERO symbol will display on the LCD. Press
normal operation. If the lead resistance is great than 40Ω, the error beeping will sound. Because the test current
provided by the meter could reach 200mA, do not use this range to test electronic component like diode,
transistor or fuse.
key again to go back to
key. When
Caution:
Before measuring, verify the circuit is not live by voltage function
Megaohm Function
Turn the function selector to the desired test voltage range. The LCD will display “----” to indicate the tester is
standing by. Connect black test lead to Black terminal and red one to the Red terminal. Connect test lead to the
test circuit in parallel. One may take the measuring under manual power mode or power lock mode:
Caution:
Before measuring, verify the circuit is not live by voltage function.
Do not start the test before the lead is connected to the test circuit properly.
Do not remove the test leads from the test circuit before the discharge process is completed.
6
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