VICI CM-2016 Instruction Manual

DIGITAL CLAMP METER

OPERATION

OPERATION MANUAL

CONTENTS

I.SUMMARY... . 1

2.SAFETY NOTICE 1

3.FEATURES......... .. 2

3.I. GENERAL FEATURES 2

3.2. TECHNICAL FEATURES 2

4.OPERATlON · 5

4.I.PANEL DESCRIPTlON 5

4.2.DCV MEASUREMENT 7

4.3.ACV MEASUREMENT 7

4.4.DCA MEASUREMENT 8

4.5.ACA MEASUREMENT 9

4.6. RESISTANCE MEASUREMENT 9

4.7. DIODE AND CONTlNUlTY TEST 10

4.8. CAPACITANCE TEST 11

4.9. FREQUENCY MEASUREMENT 11

4.10. TEMPERATURE TEST 12

4.II. NON-CONTACNT VOLTAGE DETECT 12

4.12. AUTO POWER OFF · 13

5.MAINTENANCE 13

6.TROUBLE SHOOTING 13

The meter is a precision instrument. To avoid damage injury caused by wrong operation,

please read this manual carefully before operation.

1.SUMMARY

This is a 3 5/6 digit digital AC/DC clamp meter with good stability and reliability.

It has a LCD with 14mm digit display, which gives clear readings.

It can test DC V, AC V, DC A, AC A, resistance, capacitance, frequency, temperature,

diode continuity, as well as non-contact AC voltage test. It is equipped with clamp jaw,

lighting, unit symbol display, data hold function, auto power off and warning functions.

It works in both auto range and manual range. To assure high accuracy and resolution,

it adopts a micro-processor which drives the LCD directly and a dual integral A/D

converter IC. It is an ideal tool for labs, factories radio-technology and household.

2. SAFETY NOTlCE

Tbe meter is designed to be in compliance with IEC1010-I (EN61010-1), pollution 2,

CAT.III 600V and UL3111-1. Please read this manual carefully before operation.

2-1.SAFETY SYMBOLS

"CAUTION: Refer to manual before operation.

" Low battery indication.

" WARNING: High voltage!

"Double insulation.

2-2.SAFETY lNSTRUCTIONS

2-2-1. To avoid damage to the meter or personal injury, please read this manual carefully

before operation, and follow instructions in this manual during operation.

2-2-2. Disconnect all signals and plug offtest leads before opening the case cover.

To avoid electric shock or damage to the meter, water should not be leaked inside.

2-2-3. DO NOT use the meter to do any test before the case cover or screws is fully

Assembled.

2-2-4. DO NOT input any value higher than the rated limit.

2-2-5. DO NOT input voltage to terminals in resistance range.

2-2·6. Turn the power switch to OFF position after use.

2.2.7. To avoid damage by battery leakage, remove batteries before long-term storage.

2.2.8. Voltage above 60Vdc or 30Vac RMS will cause severe electric shock.

2.2.9. To avoid electric shock, be careful when nipping naked testing objects.

3.FEATURES

3.1. GENERAL FEATURES

3.1.1. Display: LCD.

3.1.2. Max. display: 6000 digits, and auto polarity display.

3.1.3. Clamp open max.28mm.

3.1.4. Over-range display: "OL".

3.1.5. Data hold.

3.1.6. Relative Value measurement.

3.1.7. Sampling rate: 3 times/sec.

3.1.8. The symbol "" appears when battery is low.

3.1.9. Continuity test: buzzer alarms when < (50±10) Ω.

3.1.10. Auto range or Manual range.

3.1.11. Auto power off.

3.1.12. Power consumption: approx.3mA.

3.1.13. Power source: 2 x 1.5V batteries (AAA).

3.1.14. Operating environment: (0-40)°C, relative humidity: <70%.

3.1.15. Dimension: 123Wx270Dx35H mm.

3.1.16. Weight: approx. 280g (including batteries).

3.1.17. Accessories: operation manual x 1pc, test leads x 1 pair,

temperature probe TP01 x 1 pair, 1,5V AAA batteries x 2pcs,

carrying bag x 1pc (optional).

3.2. SPECIFICATIONS

3.2.1. Accuracy: ±(a% of reading + digits). To ensure accuracy, the ambient temperature

should be (23±5)°C and the relative humidity shall be less than 70%. The accuracy is

guaranteed for one year since production date.

3.2.2. Temperature co-efficiency: 0.1 of specified accuracy/1°C (<18°C or >28°C).

3.2.3. DC Voltage (DCV)

Range Accuracy Resolution

600mV ±(1.0% of reading + 5) 0.l mV

±(0.5% of reading + 5)

0,001 V

60V 0,01 V

600V 0,1 V

Input impedance: 10M Ω. Overload production: 1000Vrms.

3.2.4. AC Voltage (ACVrms)

Range Accuracy Resolution

600mV ±(1.5% of reading + 5) 0.l mV

±(1,0% of reading + 5)

0,001 V

60V 0,01 V

600V 0,1 V

Input impedance: 10MΩ. Overload production: 1000Vrms

Frequency response: 750 V at 40Hz - 1 kHz, other ranges 40Hz - 400Hz.

3.2.5. DC Current (DCA)

Range

Accuracy

Resolution

600 A (2.0% + 30) 0.l A

NOTE: Clear to zero before measurement. The testing object shall be placed in the

middle of the clamp jaw.

3.2.6. AC Current (TRMS)

Range

Accuracy

Resolution

600 A (2.0% + 30) 0.l A

Frequency response: Sine wave and triangle wave 40Hz - 1kHz;

other waveforms 40Hz - 200Hz.

NOTE:The testing object shall be placed in the middle of the clamp jaw.

3.2.7. Resistance (Ω)

Range Accuracy Resolution

600 Ω(0.8% + 5) 0,1 Ω

6 kΩ

(0.8% + 3)

1 Ω

60 kΩ10 Ω

600 kΩ100 Ω

6 MΩ1 kΩ

60 MΩ(1.0% + 25) 10 kΩ

Open circuit voltage: <3 V. Over load protection: 250Vrms.

NOTE:

a) In 600 Ωrange, short the test leads to measure the wire resistance,

and then subtract it from the real measurement value.

b) When measure resistance over 1 MΩ, it is normaI that the reading reacts slowly.

Please wait until the reading is stable.

WARNING: DO NOT input voltage in this range.

3.2.8. Capacitance (C)

Range Accuracy Resolution

60 nF

(3.5% + 20)

10 pF

600 nF 100 pF

6 µF 1 nF

60 µF 10 nF

600 µF (5.0% + 10) 100 nF

6000 µF 1 µF

Over load protection: 250Vrms.

WARNlNG: DO NOT input voltage in this range.

3.2.9. Frequency (f)

Range

Accuracy

Input sensitivity

20 MHz (1.0% + 3) >0.7V

Over load protection: 250 Vrms.

3.2.10. Temperature

Range

Accuracy

Resolution

-40°C - 1000°C (1.0% + 5) < 400°C 1°C

(1.5% + 15) ≥400°C

0°F - 1832°F (0.75% + 5) < 750°F 1°F

(1.5% + 15) ≥750°F

Sensor: K type banana plug (Nickel-Chromium Nickel-Silicon)

WARNING: DO NOT input voltage in this range.

3.2.11 Diode and Continuity test

Range Display value Testing condition

Diode forward voltage drop Forward DC current 1mA

Open circuit voltage 3V

When the testing resistance ís less

than (50±20) Ω,the buzzer

alarms continuously

Open circuit voltage 3V

Press SELECT key to switch

between two ranges

Over load protection: 250Vrms.

WARNlNG: DO NOT input voltage in this range.

4. OPERATION lNSTRUCTIONS

4.1. PANEL lLLUSTRATON (Fig.l)

1)Clamp jaw:0-600A DCcurrent, ACcurrent

and NCVdetecting device.

2)Clamp gunlock:Press the gunlock to open

clamp jaw.

3)Hand protection: A safe design to protect

users from touching the dangerous area.

4)Clamp light:Turn on the clamp light to light

up the tested area in the dark to prevent danger.

5)NCV indicator: Detect the existence of high

voltage nearby to prevent electric shock.

6)Function rotary switch: Select functions and ranges;

Turn on or turn off the clamp meter.

Function

Description

NCV Non Contact Voltage detection.

A DC A and AC A measurement. Press SELECT key to switch measurements

V~ AC Vmeasurement.Press Hz/DUTY key to switcb measurement between

frequency and duty ratioin high voltage amplitude

V DC Vmeasurement.

Press SELECT key to switch measurement between resistance, diode,

continuity and capacitance.

Hz Frequency measurement. Press Hz/DUTY key to switch measurement

between frequency and duty ratio in low voltage amplitude

°C/°F Temperature measurement. Press SELECT key to switch between °C and

°F

7) FUNCTlON KEYS

SELECT key: This is a key to select functions, working in response to trigger. Switch

between AC or DC measurement in A Or select Ωfunction from . Or switch

between , and measurements. Or switch between·°C/°F measurements.

REL/RANGE key:

1.ln A and measurements, it is REL function. Press this key to clear "of reading"

and enter relative value measurement. REL symbol will appear on the LCD. Press this

key again to exit REL measurement. In A and measurements, if the display dose

not return to zero before measurement, press this key to return to zero before

measurement.

2.In voltage and resistance measurements, it is RANGE function, to choose from auto

range or manual range. The meter is default in auto range. Tbe symbol "AUTO" appears

on LCD. Press this key for one time to switch to manuaI range. Press it again for one time

to increase on step from low to high. Press it for more than two seconds to return to

AUTO range.

HOLD/

key: The H

LD key is to

hold "

of reading", working in response to trigger.

Press this key for one time to lock the reading. Press any other keys to exit HOLD

function. Press this key for more than two seconds to turn on the LCD backlight and

clamp light at the same time. The LCD back light and clamp jaw light will be turned off

automatically after five seconds, or turned off by press this key again for more than two

seconds.

Hz/DUTY key: In AC A/ AC V measurements, press this key to switch measurement

between frequency, duty ratio, voltage and current. In frequency measurement, press this

key to switch between measurement of frequency and duty ratio (1-99%).

8) LCD panel: display the measurement values and units,

Function Description

1 MAX-MIN Invalid

2 APO A symbol of auto power off.

3 ∆Clear to zero or in REL measurement mode.

4 HOLD Data hold funcions is activated.

5 ─A symbol for negative measurernent value.

6 AC In AC voltage or AC current measurement.

7 DC In DC voltage or DC current measurement.

8 AUTO In auto range mode.

Invalid

hFE

In transistor measurement (to measure the magnification times

of transistor)

nF,µF NanoFarad, MicroFarad

mV, V MiliVolt, Volt

µA, mA, A MicroAmp, MilliAmp, Amp

%, °C, °F Percentage (for duty rate measurement), centigrade degree.

Fahrenheit degree

NCV Non-Contact Voltage symbol

MΩ, kΩ, ΩMegaOhm, KilloOhm, Ohm

Hz, kHz, MHz Hz, KilloHz, Mega Hz

Low battery indication.

WARNING: To avoid electric shock or personal injury, please

replace batteries in time when the low batterv indication

appears on LCD.

(9) V/Ω.input terminal: The red one positive input terminal for voltage, resistance, diode,

capacitance, frequency and temperature measurements.lt is also COM terminal for GND

input.The black one is negative input terminal.

(10) Carrying belt.

4.2. DCV MEASUREMENT

(I) Turn the rotary function switch to V position. Plug the red test lead in to

"VΩ."terminal and the black test lead into COM terminal.

(2)Touch the test leads to the test points.

The LCD will display the testing voltage

and its polarity on the LCD(fig.3).

NOTE:

(I) The input voltage CAN NOT exceed

the rated input. Otherwise, the meter

maybe damaged.

(2) When testing high voltage circuit,

to avoid electric shock,

DO NOT touch the circuit by hands or bodies.

(3) Disconnect test leads from the testing circuit when all tests

are finished.

4.3. ACV MEASUREMENT

(I) Turn the rotary function switch to V~ position.

Plug the red

test lead into "VΩ" terminal and the black

test lead into COM terminal.

(2) Touch the test leads to the test points.

Read measurement values from the LCD.

(3) Press Hz/DUTY key to display frequency

and duty ratio value.(fig.4)

NOTE:

(I) Before measurement, there are some remaining digits in each

range. It will not affect measurement accuracy.

(2) The input voltage CAN NOT exceed the rated input.

Otherwise, the meter maybe damaged.

(3)When testing high voltage circuit, to avoid electric shock,

DO NOT touch the circuit by hands or bodies.

(4) Disconnect test leads from the testing circuit when alltests

arefinished.

4.4.DCA MEASUREMENT

(I) Turn the rotary function switch to A position.

The meter is default at DC A measurement after

power on. Press SELECT to switch

between AC or DC measurement.

(2) When the meter is used in a strong

magnetic field, the readings could

be unstahle or inaccurate. Press REL

to clear to zero before measurement.

(3)Press the clamp gunlock to open

the clamp jaw to get testing wire

inserted in the middle and clipped

completely.

To ensure measurement accuracy, please check to ensure that

the testing wire is placed in the middle of clamp jaw (fig.5).

Measure one wire in one time. If measure more than one wires

in one tirne, the reading will be inaccurate.

NOTE:

(1) The meter uses Hall component to detect current. Hall

component is a sensitive component. lt is magnetic sensitive.

It is also sensitive to temperature and mechanical stress.

Any impact on it would cause the changes on reading in a short time.

This causes some remaining values on the DC ampere reading

when there is no current. Toget accurate reading, press REL key

to clear reading before measurement, and the testing wire must

be placed in the middle of the clamp jaw.

(2) Press the clamp gunlock to open the clamp jaw to get testing

wire inserted in the middle and clipped completely. Ensure that

the testing wire is placed in the middle of clamp jaw. Otherwise

there will be additional accuracy ±l.0% of reading. Read the

measurement current value of the testing wire on the LCD.

(3 )In the measurement of the DC current, if the reading is

positive value, the current is top to down (broad is top, bottom

cover is down).

(4) The max.testing current is 600A. Exceeding the rated current

for long time will damage the meter.

Follow below instructions to get more accurate DC current

measurement:

1.) Switch off the testing wire.

2.) Press the clamp gunlock to open the clamp jaw to get testing

wire inserted in the middle and clipped completely. Ensure that

the testing wire is placed in the middle of clam pjaw.

3.) When the meter reading is stabilized in the minimum value,

press the REL key to clear it.

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