Global Test Supply 3284 Manual de usuario

3284

CLAMP ON

AC/DC HiTESTER

INSTRUCTION MANUAL

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Contents

Introduction i

Shipping Check ii

Safety iii

Attentions During Use vi

Organization of This Manual x

Chapter 1 Product Outline 1

1.1 Product Outline 1

1.2 Features 2

1.3 Parts and Functions 3

1.4 Flowchart of Key Operations 9

1.4.1 Current Measurements Mode 9

1.4.2 Voltage Measurements Mode 10

1.4.3 Frequency Measurements Mode 11

1.5 Modes 12

Chapter 2 Measurement Procedure 15

2.1 Preparations 15

2.2 Current Measurement 16

2.2.1 Measuring DC Current (DC A) 16

2.2.2 Measuring AC Current (AC A) 17

2.2.3 Measuring AC/DC Current (AC+DC A) 18

2.2.4 Peak Hold Measurement 20

2.2.5 Output Function 21

2.3 Voltage Measurement 26

2.3.1 Measuring DC Voltage (DC V) 26

2.3.2 Measuring AC Voltage (AC V) 27

2.3.3 Measuring AC/DC Voltage (AC+DC V) 28

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2.3.4 Peak Hold Measurement 29

2.4 Frequency Measurement 30

2.4.1 Frequency Measurement in Current Mode 30

2.4.2 Frequency Measurement in Voltage Mode 31

2.4.3 Output Function For Frequency 32

2.5 Auto-Zero-Adjustment/

Zero-Cancel Correction Function 34

2.5.1 Auto-Zero-Adjustment Function 34

2.5.2 Zero-Cancel Correction Function 35

2.6 Data Hold Function HOLD 35

2.7 Alteration of Indication Updates 36

2.7.1 SLOW mode 36

2.7.2 FAST mode 36

2.8 Recording Function REC 36

2.9 Auto Power-Off Function APS 38

2.10 Battery Low Warning 39

2.11 Beep Tone 39

Chapter 3 Specifications 41

3.1 Measurement Specifications

(23℃±5℃, 80% RH max.) 41

3.1.1 Current Measurement Specifications 41

3.1.2 Voltage Measurement Specifications 46

3.2 General Specifications 48

Chapter 4 Battery Replacement 51

Chapter 5 AC Adapter (Optional) 53

Chapter 6 Attaching The Hand Strap 55

Chapter 7 Troubleshooting 57

Chapter 8 Service 63

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Introduction

Thank you for purchasing this HIOKI "3284

CLAMP ON AC/DC HiTESTER." To get the

maximum performance from the unit, please read

this manual first, and keep this at hand.

Request

We have tried to bring this manual as close to

perfection as we could achieve. If perchance you

find any unclear portions, mistakes, omissions, or

the like, we would be most obliged if you could

please notify us of them via any HIOKI agent, or

directly.

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Shipping Check

When the unit is delivered, check and make sure

that it has not been damaged in transit. In

particular, check the accessories, panel switches,

keys, and terminals.

If the unit is damaged, or fails to operate according

to the specifications, contact your dealer or HIOKI

representative.

Check the 3284 Unit and the Supplied

Accessories

Main unit

3284 CLAMP ON AC/DC HiTESTER

Supplied accessories

9399 Carrying Case 1

9207 Test lead (red and black) 1

Hand Strap 1

6F22(006P) 1

Instruction manual 1

Options

9094 OUTPUT CORD

9445 AC ADAPTER(UP01211090, POTRANS)

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iii

Safety

DANGER

This equipment is designed according to IEC

1010 Safety Standards, and has been tested for

safety prior to shipment. Incorrect

measurement procedures could result in injury

or death, as well as damage to the equipment.

Please read this manual carefully and be sure

that you understand its contents before using

the equipment. The manufacturer disclaims all

responsibility for any accident or injury except

that resulting due to defect in its product.

Safety

This Instruction Manual provides information and

warnings essential for operating this unit in a safe

manner and for maintaining it in safe operating

condition. Before using this unit, be sure to

carefully read the following safety notes.

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Safety

DANGER

Indicates that incorrect operation

presents extreme danger of accident

resulting in death or serious injury to the

user.

WARNING

Indicates that incorrect operation

presents significant danger of accident

resulting in death or serious injury to the

user.

CAUTION Indicates that incorrect operation

presents possibility of injury to the user

or damage to the equipment.

NOTE Denotes items of advice related to

performance of the equipment or to its

correct operation.

The following symbols are used in this Instruction

Manual to indicate the relative importance of

cautions and warnings.

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Safety

This symbols is affixed to locations on the

unit where the operator should consult

corresponding topics in this manual (which

are also marked with the symbol) before

using relevant functions of the unit.

In the manual, this mark indicates

explanations which it is particularly

important that the user read before using

the unit.

Indicates AC (Alternating Current).

Indicates DC (Direct Current).

Indicates both DC (Direct Current) and AC

(Alternating Current).

Indicates a device which is double-

insulated.

Safety Symbols

f.s. (maximum display or scale value, or length of scale)

Signifies the maximum display (scale) value or the

length of the scale (in cases where the scale consists

of unequal increments or where the maximum value

cannot be defined).

In general, this is the range value (the value written

on the range selector or equivalent) currently in use.

rdg. (displayed or indicated value)

Signifies the value actually being measured, i.e., the

value that is currently indicated or displayed by the

measuring instrument.

dgt. (resolution)

Signifies the smallest display unit on a digital

measuring instrument, i.e., the value displayed when

the last digit on the digital display is "1".

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Attentions During Use

DANGER

･

･･

･Use clamp testers only on power lines up to 600

Vrms AC, to avoid short-circuits and accidents

that could result in injury or death.

･

･･

･Do not use clamp testers on bare conductors.

When the clamp core jaw is open, there is a risk

of short-circuits and accidents that could result

in injury or death.

･

･･

･Always connect the clamp sensor to the

secondary side of a breaker. On the secondary

side of a breaker, even if the lines are shorted

the breaker can trip and prevent an accident.

On the primary side, however, the current

capacity may be large, and in the event of a

short-circuits there may be a serious accident.

･

･･

･When using an AC adapter, use only a specified

AC adapter, HIOKI model 9445 (UP01211090,

POTRANS).

Attentions During Use

In order to ensure safe operation and to obtain

maximum performance from the unit, observe the

cautions listed below.

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vii

Attentions During Use

WARNING

･

･･

･To prevent electric shock, do not allow the unit

to become wet and do not use the unit when

your hands are wet.

･

･･

･To avoid electric shock accidents, when

carrying out measurement on live lines, wear

proper protective gear, including insulating

rubber gloves, insulating rubber boots, and

safety helmet, and use extreme caution.

･

･･

･During current measurement, to avoid an

electric shock accident, do not connect the test

leads to the unit.

･

･･

･Do not input voltage exceeding 600 Vrms (1000

V max.).

･

･･

･To avoid electric shock when replacing the

batteries, first disconnect the clamp portion

from the object to be measured. Also, after

replacing the batteries, always replace the back

case before using the unit.

･

･･

･When replacing the batteries, be sure to insert

them with the polarity correct.

･

･･

･Do not short-circuits used batteries,

disassemble them, or throw them in a fire.

Doing so may cause the batteries to explode.

･

･･

･Be sure to dispose of used batteries according

to their type in the prescribed manner and in the

proper location.

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