Amprobe ACDC-620T Bedienungsanleitung
SERVICE
If the instrument fails to operate, check battery, test leads, etc and
replace as necessary. If the instrument still malfunctions, please call
the phone number listed below:
Service Division
AMPROBE INSTRUMENT
Miami, Florida 33150
Tel: 800-327-5060
outside the U.S.A. the local Amprobe representative will assist you.
Visit our Web-site HTTP://www.AMPROBE.COM
|AMPROBE®
DIVISION OF CORE INDUSTRIES INC.
Miami, Florida 33150
Tel: 800-327-5060
USER MANUAL
MODEL: ACDC-620T
|AMPROBE®
Miramar, Florida 33025
Tel: 800-327-5060
AUNIQUE AC / DC TRUE RMS
CLAMP-ON MULTIMETER
UL
®
C
LISTED
Manual P/N: 978760
8/97
z
1
LIMITED WARRANTY
Congratulations! You are now the owner of an AMPROBE®instrument. It has been
quality crafted according to quality standards and contains quality components and
workmanship. This instrument has been inspected for proper operation of all its
functions. It has been tested by qualified factory technicians according to the long-
established standards of AMPROBE®.
Your AMPROBE® instrument has a limited warranty against defective materials
and/or workmanship for two years from the date of purchase provided that, in the
opinion of the factory, the instrument has not been tampered with or taken apart.
Should your instrument fail due to defective materials, and/or workmanship
during the two-year period, please have your dated bill of sale which must
identify the instrument model number and serial number and call the number
listed below:
Service Division
AMPROBE INSTRUMENT
Miami, Florida 33150
Tel: 800-327-5060
2
CONTENTS
PÁGINA
LIMITED WARRANTY 1
SAFETYINFORMATION 4
AUNIQUE CLAMP-ON MULTIMETER 6
● INTRODUCTION 6
USING THE METER SAFELY 8
LCD DISPLAYILLUSTRATION 10
GETTING ACQUAINTED WITH YOUR METER 12
● ALIGNMENTMARKS 12
● ROTARYSWITCH 13
● INPUTTERMINAL 14
● PUSH BOTTONS 15
PUSH-BOTTONS OPERATIONS 16
POWER ON OPTIONS 18
SPECIALFUNCTIONS INSTRUCTIONS 19
● Dynamic Recording 19
● Data Hold 22
● Zero (Relative)
● Analog Bargraph 23
● Auto Power Off and Sleep Mode 24
● Disable Auto Power Off 25
● Demostrate Annunciator 25
● Continuity Function For Ohms Measurement 26
● 1 ms Peak Hold 27
CONTENTS continued
PAGE
HOW TO OPERATE
●AC CURRENTMEASUREMENT 29
●DISTRIBUTION TRANSFORMER MEASUREMENT 29
●AC MOTOR CURRENTMEASUREMENT 31
●AC VOLTAGE MEASUREMENT 33
●RESSISTENCE / CONTINUITYMEASUREMENT 35
●TEMPERATURE MEASUREMENT 39
●CAPACITANCE MEASUREMENT 43
ESPECIFICACIONES GENERALES 45
GENERALSPECIFICATIONS 47
ACCESSORIES AND REPLACEMENT PARTS 48
CURENT HARMONICS THEORY 51
●TRUE RMS MEASUREMENT 53
●WAVE FORM COMPARISON 54
REFRIGERATION 56
MAINTENANCE 61
●SERVICE
●BATERYREPLACEMENT 61
●CLEANING 64
3
4
SAFETYINFORMATION
cSAFETYINFORMATION:
●To ensure that you use meter safely, follow the safety guidelines listed below.
●This meter is for indoor use, altitude up to 2000m.
●Avoid working alone. Take precautions when working around moving parts.
●Use the meter only as specified in this manual. Otherwise, the protection pro
vided by the meter may be impaired.
●Never measure current while the test leads arer inserted into the input termi
nals.
●Do not use the metr if it looks dameged.
●Inspect the leads for damage insulation or exposed metal. Check test lead
continuity. Replace damaged leads
●Disconnect the power and discharge all high-voltage capacitors before testing.
●Use caution when working above 60V DC or 30V AC RMS. Such voltages
pose a pose a shock hazard
●When making measurements, keep your fingers behind the finger guards on
the probe.
●Set the proper function and renge before attaching the metr to circuit. To avoid
damaging the meter disconnect the test leads from test points before changing
functions.
●Read this operation manual completly before using the meter and follow all
safety instructions.
●The meter is safety-certified in compliance with UL3111-1, C22.2 NO.1010.1-
92 and EN61010(IEC 1010-1, 1010-2031,IEC 1010-2-32) Instalation Category
ll 1000V or instalation Category lll 600V. In order to mantain its insulation
properties, please be sure to use ULListed Category ll 1000V or Category lll
600V probes.
●insrtallation category (CAT) ll is an environment with smaller trasient overvolt-
age than Installation Category lll.
●CE requirement: Under the influence of R.F field according to standard, the
supplied test leads will pick up induced noice. To have better shielding tests
are required in order to conform to CE:
1. IEC 801-2: ESD (electro-static discharge) test.
2. IEC-801-3: RFI (Radio frequency Interference) test.
Condition : 27 ~ 500MHz, signal intensity is 3 volts per meter.
3. IEC 801-4: EFT(electro-fast transient) test.
4. EN 55011: EMI (electromagnetic interference) test.
●Do not allow the temperature sensor to contact a surface which is energized
above 30 V RMS or 60V DC, such voltages pose a shock hazard.
5
6
AUNIQUE CLAMP-ON MULTIMETER
cINTRODUCTION
Measuring current accurately is difficult job in today's industrial plants and com-
mercial buildings.An increasing number of personal computers, adjustable
speed motor drivers, and other types of electronic equipment in short pulses and
are reffered to as non-linear loads.
non-linear loads draw high peak current, causing harmonics in the load current.
this may result in unexplained circuit breaker tripping, or dangerous overheating
of neutral conductors and transformers. Currents containing harmonics can only
be accurately measured with a true rms or clamp meter. this CLAMP-ON MULTI-
METERis shown in Figure1.
This meter has many functions which are shown below:
●TRUE RMSmeasurement for non-linear and traditional loads.
●1ms Peak. Hold feature to capture glitch or in-rush current.
●Differentiation reading for Dual temperature measurement.
●Start capacitor measurement.
●Dynamic Recording helps to record the variation of test.
●Hand Guard for prevention of accidental contact with conductors.
●Carryng case with shoulder strap
●Data Hold to freeze displayed digital value.
●Relative(zero) function
●Auto and Manual Ranging
Figure 1. AUnique Clamp-On Multimeter
7
Start capacitor
measurement
Ohm measurement and
k-type temperature
Voltage measurement
Current measurement
1ms Peak Hold for
glitch capture
Different Temperatures
measurement
Hand guard design for
more safety.
Dynamic Recording
helps to record the
variation of tests. And
one touch DATA
HOLD.
Rotary switch for easy
operation.
Dual display to indicate the
of and °C of temperature
simultaneously.
Relative (ZERO) mode for
deviation measurements.
AUTO/MANUAL
SELECT
USING THE METER SAFELY
cWARNING
Read " SAFETYINFORMATION" before using the meter..
cNOTE
Some typical tests are provided in this manual. These tests are designed to help
you understand how to use the Meter. Consult original manufacturer service
manualfor the test procedures that apply to your particular piece of equipment.
Your Clamp-on multimeter is a hand-held, bateryy operated instrument for test-
ing and troubleshooting electrical and electronic systems. If the meter is dam-
aged or something is missing, contact the place of purchase immediately.
AWARNING identifies conditions and actions that pose hazard(s) to the user; a
CAUTION identifies and actions that may damage the Meter.InternTIONl electri-
cal symbols used are explained inTable 1.
Tabla 1. Símbolos Eléctricos Internacionales
8
AC- Alternating Current
DC- Direct Current
AC and DC-Alternating and Direct Current
Ground
Double Insulation
See Explanation In The Manual
w
y
y
v
G
G
x
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