Amprobe ACDC-100 TRMS Manual de usuario

ACDC-100 TRMS

ACDC-100

Versatile AC/DC Clamp-on

Multimeter Series

Users Manual

ACDC-100 TRMS

ACDC-100

Versatile AC/DC Clamp-on Multimeter Series

Users Manual

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.

➊Hall-effect Clamp Jaw

for AC & DC current

electric ﬁeld pick up

➋Hand/Finger Barrier

to indicate the limits

of safe access of

the meter during

measurement

➌Push-buttons for

special functions &

features

➍Input Jack for all

functions EXCEPT non-

invasive ACA & DCA

current functions

➎Common (Ground

reference) Input

Jack for all functions

EXCEPT non-invasive

ACA & DCA current

functions

➏Slide-switch Selector

to turn the power

ON/OFF and Select a

function

➐3-3/4 digits 4000

counts LCD display

➑Jaw trigger for

opening the clamp jaw

➒Jaw center Indicators,

at where best ACA

& DCA accuracy is

speciﬁed

ACDC-100 TRMS / ACDC-100

Versatile AC/DC Clamp-on Multimeter Series

CONTENTS

Symbols.............................................................................................................................................5

Safety Information...........................................................................................................................5

Unpacking and Contents .................................................................................................................6

Introduction......................................................................................................................................6

Features ...........................................................................................................................................6

Alignment marks .......................................................................................................................6

MAX / HOLD  .....................................................................................................................6

HOLD ..........................................................................................................................................7

MAX ............................................................................................................................................7

rRelative Zero mode ...............................................................................................................7

SELECT / Backlight ( �) ..............................................................................................................7

Manual or Auto-ranging ...........................................................................................................7

Auto Power Off function ..........................................................................................................7

Operation ........................................................................................................................................7

DC Voltage .................................................................................................................................7

AC Voltage .................................................................................................................................7

AC Current ..................................................................................................................................8

DC Current ..................................................................................................................................8

Resistance ...................................................................................................................................8

Continuity ...................................................................................................................................8

Diodes .........................................................................................................................................8

Capacitance ................................................................................................................................9

Maintenance and Repair ................................................................................................................9

Battery Replacement .................................................................................................................9

Speciﬁcations..................................................................................................................................10

General Speciﬁcations ..............................................................................................................10

Electrical ..................................................................................................................................11

SYMBOLS

Battery Refer to the manual

Double insulated Dangerous Voltage

Direct Current Earth Ground

Alternating Current Audible tone

Conforms to relevant Australian

standards. Complies with EU directives

Do not dispose of this product as

unsorted municipal waste. Underwriters Laboratories.

[Note: Canadian and US.]

Application around and removal

from hazardous live conductors

is permitted

SAFETY INFORMATION

The ACDC-100 Series Digital Clampmeters conform to EN61010-1:2001; EN61010- 2-•

032:2002; CAT III 600 V, class 2 and pollution deg.2

This instrument is EN61010-1 certiﬁed for Installation Category III (600V). It is•

recommended for use in distribution level and ﬁxed installations, as well as lesser

installations, and not for primary supply lines, overhead lines and cable systems.

Do not exceed the maximum overload limits per function (see speciﬁcations) nor the limits•

marked on the instrument itself. Never apply more than 600 Vdc/600 V ac rms between

the test lead and earth ground.

Warnings and Precautions

Before and after hazardous voltage measurements, test the voltage function on a known•

source such as line voltage to determine proper meter functioning.

Disconnect the test leads from the test points before changing meter functions.•

Inspect the Clampmeter, test leads and accessories before every use. Do not use any•

damaged part.

Never ground yourself when taking measurements. Do not touch exposed circuit elements•

or test probe tips.

Do not operate the instrument in an explosive atmosphere.•

To reduce the risk of ﬁre or electric shock, do not expose this product to rain or moisture.•

The meter is intended only for indoor use. 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.

Before and after hazardous voltage measurements, test the voltage function on a known•

source such as line voltage to determine proper meter functioning.

Keep your hands/ﬁngers behind the hand/ﬁnger barriers (of the meter and the test leads)•

that indicate the limits of safe access of the hand-held part 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.

This Clamp-on meter is designed to apply around or remove from uninsulated hazardous•

live conductors. Individual protective equipment must be used if hazardous live parts of

the installation could be accessible.

Exercise extreme caution when: measuring voltage >20 V // current >10 mA // AC power•

line with inductive loads // AC power line during electrical storms // current, when the fuse

blows in a circuit with open circuit voltage >1000 V // servicing CRT equipment.

Remove test leads before opening the case to change the battery.•

Disconnect circuit power and discharge all high-voltage capacitors before testing•

resistance,continuity, diodes, or capacitance.

To avoid false readings, which could lead to possible electric shock or personal injury,•

replace the batteries as soon as the low battery indicator () appears.

UNPACKING AND CONTENTS

Your shipping carton should include

1 ACDC-100 or ACDC-100 TRMS

1 Test lead set

2 1.5V AAA Battery (Installed)

1 Users Manual

1 Carrying Case

If any of the items are damaged or missing, immediately return the complete package to the

place of purchase for an exchange.

INTRODUCTION

The ACDC-100 and ACDC-100 TRMS Clamp-On meters are 1000 Amp / 600 V clamp meters

with 50 mm jaw opening for industrial applications. The features include large conductor

size and in-rush current measurement along with AC / DC voltage, AC / DC current, Resistance,

Continuity and Diode Tests.

FEATURES

Alignment marks (see Fig. 1)

Place conductor within the jaws at the intersection of the indicated marks as close as possible

to maximize the accuracy of the reading.

MAX / HOLD 

The HOLD feature freezes the display when the button is pressed. The MAX feature

compares and displays the measured maximum value as fast as 30ms with auto-ranging

capability.

HOLD

Press the HOLD button momentarily toggles to hold mode for all of the functions. To release

the HOLD feature momentarily press the HOLD button.

MAX

Press the HOLD button for 1 second or more activates the MAX HOLD feature for the VDC,

VAC and ACA functions. To release the MAX HOLD feature press the HOLD button for 1

second or more.

rRelative Zero mode

Relative Zero mode allows the user to offset the subsequent meter measurements with

the displayed reading as the reference value. The display will now show readings relative

to the stored reference value. That is, display = reading - stored value. Pressing the button

momentarily toggles to relative mode.

SELECT / Backlight ( �)

Press Backlight button more than 1 second, enable/disable Backlight.

Press the SELECT / Backlight button to step through the manually selected Aand Ω

functions.

A→Aand Ω→→→

Manual or Auto-ranging

Press the RANGE button momentarily to select manual-ranging mode. The LCD symbol

turns off. Press the button momentarily again to step through the Ranges. Press and hold the

RANGE button for more than 1 second to resume auto-ranging.

Auto Power Off function

The clamp meter powers down automatically after approximately 30 minutes of inactivity.

To turn it back on, move the function selector switch to OFF and back to a measuring

function.

To disable Auto Power Off, press and hold the HOLD button while moving the slide switch to

the desired function from OFF.

OPERATION

DC Voltage (see Fig. 1)

Set the Function Switch to1. V.

Connect the test leads: Red to2. +, Black to COM.

Connect the test probes to the circuit test points.3.

Read the display, and if necessary, correct any overload (4. 0L) conditions.

AC Voltage (see Fig. 1)

Set the Function Switch to1. V.

Connect the test leads: Red to2. +, Black to COM.

Connect the test probes to the circuit test points.3.

Read the display, and if necessary, correct any overload (4. 0L) conditions.

AC Current (see Fig. 2)

Set the Function Switch to A1. position.

Select AC current using the SELECT button.2.

Open spring-loaded clamp by pressing the lever on left side of meter.3.

Position clamp around one wire or conductor and release the clamp lever. Make sure that4.

the clamp is entirely closed. The clamp must be positioned around only one conductor. If it

is placed around two or more current carrying conductors, the reading is FALSE.

Read the displayed value, and if necessary, correct any overload (5. 0L) conditions.

DC Current (see Fig. 2)

Set the Function Switch to A1. position.

Select DC current using the SELECT button.2.

Open spring-loaded clamp by pressing the lever on left side of meter.3.

Position clamp around one wire or conductor and release the clamp lever. Make sure that4.

the clamp is entirely closed. The clamp must be positioned around only one conductor. If it

is placed around two or more current carrying conductors, the reading is FALSE.

Read the displayed value, and if necessary, correct any overload (5. 0L) conditions.

CAUTION

Using the Resistance, Continuity, Diode or Capacitance functions on a live circuit will produce

false results and may damage the instrument. In many cases the suspected component must

be disconnected from the circuit to obtain an accurate measurement reading.

Resistance (see Fig. 3)

Set the Function Switch to1. Ω.

Connect the test leads: Red to2. +, Black to COM.

Turn off power to the circuit being measured.3.

Discharge any capacitors that may inﬂuence the reading.4.

Connect the test probes across the resistance.5.

Read the display. If6. 0L appears on the highest range, the resistance is too large to be

measured or the circuit is an open circuit.

Continuity (see Fig. 3)

Set the Function Switch to1. Ωand press the SELECT button until is displayed.

Connect the test leads: Red to2. +, Black to COM.

Turn off power to the circuit being measured.3.

Discharge any capacitors that may inﬂuence the reading.4.

Connect the test probes across the resistance or the two points of test.5.

Listen for the tone that indicates continuity (>106. Ωand < 120 Ω).

Diodes (see Fig. 3)

Set the Function Switch to1. Ωand press the SELECT button until is displayed.

Connect the test leads: Red to2. +, Black to COM.

Turn off power to the circuit being measured.3.

Free at least one end of the diode from the circuit.4.

Connect the test probes across the diode noting polarity.5.

Read the display. A good diode has a forward voltage drop of about 0.6 V. An open or6.

reverse biased diode will read .0L.

Capacitance (see Fig. 3)

Set the Function Switch to1. Ωand press the SELECT button until is displayed.

Connect the test leads: Red to +, Black to2. COM.

Turn off power to the circuit being measured.3.

Discharge the capacitor using a 100 k4. Ωresistor.

Free at least one end of the capacitor from the circuit.5.

Connect the test probes across the capacitor.6.

Read the display.7.

Relative zero mode can be used to zero out the parasitic capacitance of the leads and the8.

internal protection circuitry of the meter when measuring low capacitance in the order of

Pico Farad (pF).

MAINTENANCE AND REPAIR

If there appears to be a malfunction during the operation of the meter, the following steps

should be performed in order to isolate the cause of the problem:

Check the battery.1.

Review the operating instructions for possible mistakes in operating procedure.2.

Inspect and test the test leads for a broken or intermittent connection.3.

Except for the replacement of the battery or test probes, repair of the multimeter should

be performed only by a Factory Authorized Service Center or by other qualiﬁed instrument

service personnel. The front panel and case can be cleaned with a mild solution of detergent

and water. Apply sparingly with a soft cloth and allow to dry completely before using. Do not

use aromatic hydrocarbons or chlorinated solvents for cleaning.

Battery Replacement (see Fig. 4)

Warning

To prevent electrical shock or meter damage, disconnect the meter’s test leads from any

circuit and the meter, then turn the meter off before removing the battery cover. Battery

replacement should be performed in a clean environment and with appropriate care taken to

avoid contaminating the meter’s interior components.

Remove the screw and lift the battery cover.1.

Replace the batteries with the same type (1.5V AAA). Note polarity guide below the2.

battery.

Replace the battery cover and screw.3.

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