Hioki CM4002 Manual de usuario

Instruction Manual

Nov. 2020 Edition 1

CM4002A961-00 20-11H

CM4002

CM4003

ACLEAKAGE

CLAMPMETER

Instruction Manual

Nov. 2020 Edition 1

CM4002A961-00 20-11H

CM4002

CM4003

ACLEAKAGE

CLAMPMETER

HIOKI CM4002A961-00

CM4002A961-00

Checking Package Contents

Main body Accessories

CM4002/CM4003

AC Leakage Clamp Meter

(With output function)

CM4003CM4002

L9097 Connection Cable

(Approx. 1.5 m) (CM4003 only)

USB cable (Type-A to Type-C) (CM4003 only)

LR6 Alkaline batteries ×2

C0203 Carrying Case

Instruction Manual (this manual)

Operating Precautions (0990A907)

HIOKI CM4002A961-00

Details of Intended Operations

Setting the range p. 11

Installing or replacing the batteries p. 13,

p. 16

Using an external power supply (CM4003 only)

(Measuring for an extended period of time) p. 17

Locating an insulation failure p. 23

Reducing the e󰀨ects of noise (Eliminating unnecessary high frequency components) p. 26

Holding the display (Pausing refreshing of the measured value to read the value) p. 27

Viewing the Max., Min., Average, and Peak values of the measured data p. 30

Activating a buzzer sound if the threshold value is exceeded p. 32

Outputting the analog signal to a recorder (CM4003 only)

(Checking for intermittent earth leakage) p. 34

Performing the wireless communications using the GENNECT Cross app

(Checking the measured data on a mobile communications device) p. 42

HIOKI CM4002A961-00

iii

Contents

Checking Package Contents .........................................................................................i

Details of Intended Operations.....................................................................................ii

Introduction...................................................................................................................1

Notations ......................................................................................................................3

Options .........................................................................................................................6

Operating Precautions..................................................................................................7

Part Names.................................................................................................................10

Operation Keys...........................................................................................................11

1 Preparing for Measurement 13

1.1 Installing the Batteries and Wireless Adapter..................................................13

Installing (replacing) the batteries and Wireless Adapter ................................16

1.2 Using an External Power Supply (CM4003 only) ............................................17

1.3 Inspection Prior to Measurement ....................................................................18

HIOKI CM4002A961-00

Contents

2 Performing Measurement 19

2.1 Measuring Leakage Current............................................................................19

Measurement procedure .................................................................................20

Locating an insulation failure...........................................................................23

Precautions for measuring the load current ....................................................25

2.2 Filter Function (FILTER)..................................................................................26

2.3 Hold Function (HOLD).....................................................................................27

2.4 Max., Min., Average, and Peak Values (MAX/MIN)........................................30

2.5 AC INRUSH (Inrush Current) ..........................................................................31

2.6 Comparator Function (COMP) ........................................................................32

2.7 Simple Event Recording Function (EVENT) ...................................................33

2.8 Output Function (OUTPUT) (CM4003 only)....................................................34

Output rate (A-to-V conversion ratio) ..............................................................35

Using the output function (RMS/WAVE)..........................................................36

2.9 Auto-Power Save Function (APS)...................................................................38

2.10 Backlight..........................................................................................................39

Display backlight .............................................................................................39

Warning backlight............................................................................................40

2.11 Power-On Option ............................................................................................41

HIOKI CM4002A961-00

Contents

2.12 Wireless communications Function.................................................................42

Using the GENNECT Cross ............................................................................42

Useful functionality of the Z3210.....................................................................46

3 Specications 47

3.1 GeneralSpecications ....................................................................................47

3.2 Input,Output,andMeasurementSpecications .............................................50

Accuracy list ....................................................................................................54

Outputspecications(CM4003only) ..............................................................59

3.3 Compatibility with IEC/EN 61557-13 ...............................................................60

4 Maintenance and Service 61

Calibration .......................................................................................................61

Cleaning ..........................................................................................................61

Disposing of the Instrument ............................................................................61

4.1 Troubleshooting...............................................................................................62

Before sending the instrument to be repaired .................................................62

4.2 Error Displays..................................................................................................65

HIOKI CM4002A961-00

Contents

Index 67

WarrantyCerticate

HIOKI CM4002A961-00

Introduction

Thank you for choosing the Hioki CM4002/CM4003 AC Leakage Clamp Meter. To ensure your

ability to get the most out of this instrument over the long term, please read this manual carefully

and keep it available for future reference.

Carefully read the separate document entitled “Operating Precautions” before use.

Intended audience

This manual has been written for use by individuals who use the product or provide information

about how to use the product. In explaining how to use the product, it assumes electrical

knowledge (equivalent of the knowledge possessed by a graduate of an electrical program at a

technical high school).

HIOKI CM4002A961-00

Introduction

Overview

This AC leakage clamp meter allows you to measure from minute leakage current to load current.

Accurately measuring minute leakage current

• The 6.000 mA range is incorporated to ensure the measurement with a high resolution of 1 µA.

• High permeability magnetic material is used for the jaws.

E󰀨ects of external electromagnetic noise are minimized to enable the measurement with high

reproducibility.

Measuring a wide range of current from leakage current to load current

• Accuracy ranging from 0.060 mA to 200.0 A is ensured.

• Frequency band ranging from 15 Hz to 2 kHz.

Principle of leakage current measurement

The instrument is designed based on the principle of electromagnetic induction. The magnetic eld

corresponding to the current owing through the conductor to be measured is detected by a current

transformer that consists of a magnetic core and coil. The current transformer generates the current

corresponding to the magnetic eld. The detection resistor converts this current into the voltage to calculate

the value of the current owing through the conductor.

HIOKI CM4002A961-00

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