Center 232 Manuale utente

CAT III

600V

ZEROPEAK

OFF

HOLD

600V CAT 600AIII

CLAMP METER

AC\DC TRUE RMS & WATT

232

CONTENTS

TITLE PAGE

I. Safety Information ………………………………..…………..….1

Environmental Conditions………………………………….…..….…. 1

Explanation of Symbols……………….………………….…………… 1

II. Specification………..……………………………………………… 2

General Specification……………………...………………………….. 2

Electrical Specification……………………………...………………….3

III. Instrument Familiarization……………..………………………4

Symbol Definition……………………………………………………….4

Part and Position……………….…………………….…………….…..4

IV. Measuring Instruction……………..……….....….……………...5

4.1 Current Measurement…………………...……………...…………5

4.2 Voltage Measurement…………………………...………………...6

4.3 Resistance Measurement& Continuity Test...…………..……... 7

4.4 Power Measurement.…………………………………..……….....8

4.5 Button operation…………………………………………………....8

V. Battery Changing……..……………………………….…………. 9

VI. Maintenance……………..………...……………………………... 10

I. Safety Information

–

Read first

• Read the user manual before use and follow all safety information.

• Use the meter only as specified in this user manual. Otherwise

meter protection may be impaired.

• Never use this meter on a circuit with voltages greater than

650Vrms @ 50/60 Hz.

• Do not operate the meter if the body or tests leads look damaged.

• Check the function selector range switch and make sure it is at the

correct position before each measurement.

• Do not perform resistance and continuity test on a live circuit.

• Exercise extreme caution when measuring live systems with

voltage greater than 60V DC or 30VAC.

• Use extreme care when working around bus bars and bare

conductors.

• Do not use the meter in over range/overload conditions (OL).

• Change the battery when the symbol appears to avoid

erroneous readings.

Environmental Conditions:

Altitude up to 2000 meters.

Operating temperature:

0°C ~ 40°C, <80% RH, non-condensing

Storage temperature: -

10°C ~ 60°C, <70% RH, battery removed

Pollution Degree: 2

Installation Categories III (600V)

Explanation of Symbols:

Attention! Refer to operation Instructions.

Dangerous voltage may be present at terminals.

This instrument has double insulation.

When servicing, use only specified replacement parts.

Approvals:EN61010 600V CAT III

II. Specification

General Specification:

Digital Display: 4 digits LCD display with maximum reading 9999

Symbol and Scale range:

Automatic display according symbols and range input signal.

Polarity: Displayed when negative signal applied to the input.

Over Load:

is Displayed when input signal exceeds measuring limit.

Sample Rate: 2.5 times/sec

Low Battery Indication:

displayed when the battery is below the required voltage.

Power Source: 1.5V×2.（UM-4 or AAA size）

Battery Life: about 45 hrs. (Alkaline)

Auto Power Off:

The meter will power itself OFF if there is no push button or rotary

switch operation for 30 minutes.

To deactivate this function, press the “HOLD” button and keep it

pressed down. Then power up the clamp.

Clamp opening size: 30mm

Dimension (L x W x H) :218 x 84 x 30 mm, 8.58 x 3.30 x1.18 inch

Weight: 270g, 9.52OZ (battery included)

Accessory:

Instruction Manual, Carrying Case, Test lead, 1.5V Battery×2

Electrical Specification:

The accuracy specification is defined as ±(…%reading＋…count ) At 23

±5℃, ≦80 %RH

True RMS for ACV and ACA accuracy are specified from 5% to 100%

of range. accuracy add ±(1%rdg) on Crest Factor 1.4<CF<3 at full

scale & CF<6 at half scale.

ACA

Range

Resolution Accuracy Overload

Protection

600A 0.1A 50 ~ 60Hz

( 1.5%rdg + 5dgts ) 60 ~ 500Hz

( 2.5%rdg + 5dgts ) 1200App

DCA

Range

Resolution Accuracy Overload Protection

600A 0.1A

( 1.5%rdg + 5dgts ) 1200App

ACV

Range

Resolution Accuracy Input Impedance Overload Protection

600V 0.1V

( 1.5%rdg + 5dgts )

50 ~ 500Hz 1M

1200Vpp

DCV

Range

Resolution Accuracy Input Impedance Overload Protection

600V 0.1V

( 1%rdg + 5dgts ) 1M

1200Vpp

KW (Auto ranging)

Range

Resolution Accuracy

100KW 0.01KW

AC Power 360KW 0.1Kw

( 1.5%rdg + 3dgts )(50~60Hz)

( 2.5%rdg + 3dgts )(60~500Hz)

100KW 0.01KW

DC Power 360KW 0.1KW

( 1.5%rdg + 3dgts )

Ohm

Range

Resolution Accuracy Overload Protection

10000

( 1.5%rdg + 3dgts ) 600Vrms

<100

600Vrms

ZERO

OFF

600V

CAT III

PEAK

HOLD

WARNING

IEC 1010 600V CAT I

POLLUTION DEGREE 2

SIZEAAA1.5VX2

INPUTSBEFORE

OPENINGTHECASE.

TOAVOIDELECTRIC

WARNING

REMOVEALLSHOCK

512

600V CAT 600AIII

III. Instrument Familiarization:

Symbol Definition:

Part and Position :

○

1Current Sensing Clamp

○

2Safety protection ring

○

3Clamp opening handle

○

4Peak Hold Button

○

5Back Light Button

○

6LCD Display

○

7“COM” Terminal

○

8Hold Button

○

9Function select dial

○

10 Zero Button

○

11 “ + ” Test Terminal

Auto range indication

Low battery indication

Direct source indication

uto power off indication

lternative indication

Polarity indication

Peak detect indication

Data hold indication

Zero indication

Resistance measurement

with continuity beeper

indication

Voltage measurement

indication

Current measurement

indication

Watt measurement indication

IV. Measuring Instruction:

4.1 Current Measurement:

ACA

Switch the main function selector to “ACA“ current range.

Open the clamp by pressing the jaw-opening handle and insert the

cable to be measured into the jaw.

DCA

Switch the main function selector to “DCA” range.

Wait for the reading to stabilize then press ZERO button to null the

reading. After these are done, open the clamp by pressing the

jaw-opening handle and insert the cable to be measured into the jaw

and read the value.

Note:

Before this measurement, disconnect the test lead with the meter for

safety.

In some occasion that the reading is hard to read, push the HOLD

button and read the result later.

CORRECT

 INCORRECT

(2wiresinside)

ZERO

OFF

600V

CATIII

PEAK

HOLD

600A

III

600VCAT

ZERO

OFF

600V

CAT III

PEAK

HOLD

III600V CAT 600A

600V

PEAK ZERO

HOLD

OFF

600V CAT 600AIII

4.2 Voltage Measurement:

Switch the main function selector to “ACV” or “DCV” range.

Connect red test lead to “+” terminal and black one to the “ COM ”

terminal. Measure the voltage by touch the test lead tips to the test

circuit where the value of voltage is needed.

Read the result from the LCD panel.

DCV measurement

ACV measurement

PEAK ZERO

600V

CAT III

AOFF

HOLD

600V CAT 600AIII

600V

PEAK ZERO

HOLD

OFF

600A600V CATIII

4.3 Resistance Measurement and Continuity Test:

Switch the main function to “ ”

range, check the power line is

disconnected from the system.

Connect red test lead to “+” terminal and

black one to the “ COM ” terminal.

Connect tips of the test leads to the

points where the value of the resistance

is needed.

Read the result from the LCD panel.

If the resistance is under 100Ω, the

beeper will sound continuously.

Note:

When take resistance value from a

circuit system, make sure the power is

cut off and all capacitors need to be

discharged.

Shortcircuit Open circuit

600V

PEAK ZERO

HOLD

OFF

600A

600V CATIII

600V

PEAK ZERO

HOLD

OFF

600A

600V CATIII

ZERO

OFF

PEAK

HOLD

600V

600VCATIII600A

4.4 Power Measurement:

Switch the main function selector to “KW” range.

Open the clamp by pressing the jaw-opening handle and insert the

cable to be measured into the jaw.

Connect red test lead to “+” terminal and black one to the “ COM ”

terminal. Measure the voltage by touch the test lead tips to the test

circuit.

Read the result from the LCD panel.

4.5 Button Operation:

 Data Hold Function:

At any time, the user can hold the present reading by press the

“Hold” button and release the held data by press it again.

 Peak Hold Function:

This meter is built with 10ms peak hold function at ACA, ACV, DCA

and DCV ranges.

The user can press “PEAK” button into Peak Hold mode and exit

Peak Hold mode by press it again.

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