Amprobe AM-140-A User Manual
AM-140-A
AM-160-A
Precision DMM with TRMS &
PC Connection
Users Manual
• Mode d’emploi
• Bedienungshandbuch
• Manual d’Uso
• Manual de uso
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AM-140-A
AM-160-A
Precision DMM with TRMS & PC Connection
Users Manual
May 2010, Rev.1
©2010 Amprobe Test Tools.
All rights reserved. Printed in Taiwan
English
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. 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 test tools 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® Test Tools.
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®
Test Tools distributor for an exchange for the same or like product. Please check the
“Where to Buy” section on www.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 a Amprobe® Test Tools Service Center (see next page for address).
Non-Warranty Repairs and Replacement – US and Canada
Non-warranty repairs in the United States and Canada should be sent to a Amprobe® Test
Tools Service Center. Call Amprobe® Test Tools 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: 888-993-5853 Tel: 905-890-7600
Fax: 425-446-6390 Fax: 905-890-6866
Non-Warranty Repairs and Replacement – Europe
European non-warranty units can be replaced by your Amprobe® Test Tools distributor
for a nominal charge. Please check the “Where to Buy” section on www.amprobe.com for
a list of distributors near you.
Amprobe® Test Tools Europe
In den Engematten 14
79286 Glottertal, Germany
tel: +49 (0) 7684 8009 - 0
*(Correspondence only – no repair or replacement available from this address. European
customers please contact your distributor.)customers please contact your distributor.)
AM-140-A / AM-160-A Precision DMM with TRMS & PC Connection
5-4/5 digits 500000 counts LCD display
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Push-buttons for special functions & features
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Selector to turn the Power On or Off and select a function
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Input Jack for 10A (+) (20A for 30sec) current, and for T2 (-) function
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Input Jack (+) for all functions EXCEPT current (µA, mA, A) and
5
T2 functions
Common (Ground reference) Input Jack (-) for all functions EXCEPT
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T2 function
Input Jack (+) for milli-amp, microamp, and T2 (+) functions
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CONTENTS
SYMBOLS ...............................................................................................................1
UNPACKING AND INSPECTION .............................................................................3
FEATURES ...............................................................................................................3
OPERATION ............................................................................................................5
AC Voltage, DC Voltage, DC+AC Voltage, &
Hz Logic Level Frequency and % Duty Cycle functions .............................7
T1-T2 Dual Channels Temperature function (AM-160-A only) ......................8
Resistance,
Capacitance, Diode test function .....................................................9
µA, mA, A, and %4-20mA Current functions .................................................10
PC-COMM computer interface capabilities .....................................................11
MAX/MIN RECORDING mode ...........................................................................12
CREST Capture (Instantaneous Peak Hold) mode ..........................................12
Relative Zero mode ......................................................................................12
500000 high resolution stable mode ...............................................................12
Backlighted display ...........................................................................................12
Manual or Auto-ranging ..................................................................................13
Hold
...............................................................................................................13
Set Beeper Off ...................................................................................................13
Beep-Jack™ Input Warning ..............................................................................13
Intelligent Auto Power Off (APO) ....................................................................13
Disabling Auto Power Off ................................................................................13
SPECIFICATION .......................................................................................................14
MAINTENANCE AND REPAIR ................................................................................21
Trouble shooting ...............................................................................................22
Cleaning and Storage .......................................................................................22
Battery and Fuse replacement .........................................................................22
Continuity functions ............................................................9
Hz Line Level Frequency ....5
SYMBOLS
Caution ! Risk of electric shock
Caution ! Refer to the explanation in this Manual
Double Insulation or Reinforced insulation
Alternating Current (AC).
Direct Current (DC).
Fuse
Earth (Ground)
Please remove all the test leads before preforming maintenance,
cleaning, battery replacement, fuse replacement, etc
Complies with European Directives
Conforms to relevant Australian standards
Do not dispose of this product as unsorted municipal waste.
Contact a qualified recycler for disposal
Safety Information
This manual contains information and warnings that must be followed for
operating the instrument safely and maintaining the instrument in a safe
operating condition. If the instrument is used in a manner not specified by the
manufacturer, the protection provided by the instrument may be impaired.
The meter is intended only for indoor use.
The meter protection rating, against the users, is double insulation per
IEC61010-1 2nd Ed., EN61010-1 2nd Ed., UL61010-1 2nd Ed. and CAN/CSA C22.2
No. 61010.1-0.92 to Category III 1000 Volts AC & DC and Category IV 600 Volts
AC & DC.
AM-140-A Terminals (to COM) measurement category:
V : Category III 1000 Volts AC & DC, and Category IV 600 Volts AC & DC.
A / mAµA : Category III and Category IV 600 Volts AC and 300 Volts DC.
AM-160-A Terminals (to COM) measurement category:
V / A / mAµA : Category III 1000 Volts AC & DC, and Category IV 600 Volts AC
& DC.
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Per IEC61010-1 2nd Ed. (2001) Measurement Category
Measurement Category IV (CAT IV) is for measurements performed at the
source of the low-voltage installation. Examples are electricity meters and
measurements on primary overcurrent protection devices and ripple control
units.
Measurement Category III (CAT III) is for measurements performed in the
building installation. Examples are measurements on distribution boards,
circuit- breakers, wiring, including cables, bus-bars, junction boxes, switches,
socket-outlets in the fixed installation, and equipment for industrial use
and some other equipment, for example, stationary motors with permanent
connection to the fixed installation.
Measurement Category II (CAT II) is for measurements performed on circuits
directly connected to the low voltage installation. Examples are measurements
on household appliances, portable tools and similar equipment.
Terms In This Manual
WARNING - identifies conditions and actions that could result in
serious injury or even death to the user.
CAUTION - identifies conditions and actions that could cause damage
or malfunction in the instrument.
WARNING
To reduce the risk of fire or electric shock, do not expose this product to
rain or moisture. To avoid electrical shock hazard, observe the proper
safety precautions when working with voltages above 60 VDC or 30 VAC
rms. These voltage levels pose a potential shock hazard to the user. Do
not touch test lead tips or the circuit being tested while power is applied
to the circuit being measured. Keep your fingers behind the finger guards
of the test leads during measurement. Inspect test leads, connectors,
and probes for damaged insulation or exposed metal before using the
instrument. If any defects are found, replace them immediately. Do not
measure any current that exceeds the current rating of the protection
fuse. Do not attempt a current measurement to any circuit where
the open circuit voltage is above the protection fuse voltage rating.
Suspected open circuit voltage should be checked with voltage functions.
Never attempt a voltage measurement with the test lead inserted into
the µA/mA or A input jack. Only replace the blown fuse with the proper
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rating as specified in this manual. Only use the accompanied test leads, or
replace with the same rating or better.
CAUTION
Disconnect the test leads from the test points before changing functions.
Always set the instrument to the highest range and work downward for
an unknown value when using manual ranging mode.
CENELEC Directives
The instruments conform to CENELEC Low-voltage directive 2006/95/EC and
Electromagnetic compatibility directive 2004/108/EC
UNPACKING AND INSPECTION
Your shipping carton should include:
1 AM-140-A or AM-160-A Meter
1 Test Leads (Black x 1; Red x 1)
1 K Type thermal couple with banana plug (For AM-160-A only)
1 Users Manual
1 Single Alkaline 9V battery; NEDA1604A, JIS6AM6 OR IEC6LF22(Installed)
If any of the items are damaged or missing, return the complete package to
the place of purchase for an exchange.
FEATURES
Average sensing RMS calibrated
RMS (Root-Mean-Square) is the term used to describe the effective or equivalent
DC value of an AC signal. Most digital multimeters use average sensing RMS
calibrated technique to measure RMS values of AC signals. This technique is to
obtain the average value by rectifying and filtering the AC signal. The average
value is then scaled upward (calibrated) to read the RMS value of a sine wave. In
measuring pure sinusoidal waveform, this technique is fast, accurate, and cost
effective. In measuring non-sinusoidal waveforms, however, significant errors
can be introduced because of different scaling factors relating average to RMS
values.
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