Hioki 3227 User manual

INSTRUCTION MANUA

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322

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mΩHiTESTE

Contents

Introduction i

Inspection i

Safety Notes ii

Notes on Use iv

Organization of this Manual vi

Chapter 1 Overview 1

1.1 Features 1

1.2 Specifications 2

1.2.1 General Specifications 2

1.2.2 Resistance Measurement 4

1.2.3 Temperature Measurements 5

1.2.4 Temperature Correction Function 5

1.3 Measurements and Working Systems 6

1.3.1 4-terminal Measurements 6

1.3.2 Temperature Probe 7

1.3.3 Measurement Value Display 10

1.3.4 Comparator Function 12

Chapter 2 Part Names 15

2.1 Front Panel 15

2.2 Rear Panel 16

2.3 Displays 17

2.4 Accessory and Options 18

Chapter 3 Unit Installation 19

3.1 Installing the Interfaces 19

3.2 Turning on the Power Supply 21

3.3 Selecting the Power Supply Frequency 23

3.4 Preparation for Measurements 24

3.4.1 Resistance Measurements 24

3.4.2 Temperature Correction and Temperature Measurements

3.5 Handle Operation 26

Chapter 4 Basic Operations 27

4.1 Operating Procedure 27

4.1.1 Function Classes 27

4.1.2 Key Shift States 28

4.1.3 Key Lock State 28

4.1.4 Remote State 28

4.1.5 Valid Input Key Table 29

4.2 Selecting the Measurement Mode 30

4.3 Resistance Measurement Mode 31

4.3.1 Selecting the Sampling Rate 31

4.3.2 Selecting the Measuring Range 32

4.3.3 Zero Adjustment 34

4.4 Resistance Measurement 35

4.5 Temperature Measurement 36

4.6 Holding the Measurement Value 37

Chapter 5 Applied Operations 39

5.1 Setting the Comparator 39

5.1.1 Setting the Comparator 1 39

5.1.2 Setting the Comparator 2 41

5.1.3 Eliminating the Comparator Table 42

5.2 Executing the Comparator 43

5.3 Setting the Temperature Correction 44

5.4 Executing the Temperature Correction 45

5.5 Setting the Temperature Conversion 46

5.6 Executing the Temperature Conversion 47

Chapter 6 External Control Terminals 49

6.1 Connector 49

6.1.1 Terminal Block 49

6.1.2 Digital I/O 50

6.2 Connecting Method 51

6.2.1 Terminal Block 51

6.2.2 Digital I/O 51

6.3 Electrical Specifications 53

6.3.1 Power Supply Rating 53

6.3.2 Input and Output Rating 53

6.3.3 Input and Output States 54

6.4 Using the Signals 58

6.4.1 Measurement Control 58

6.4.2 Outputting Measurement Results 61

Chapter 7 The Other Functions 63

7.1 System Resetting 63

7.2 Error Indications 64

Chapter 8 GP-IB Interface 67

8.1 Specifications 67

8.2 Setting the GP-IB Address 68

8.3 Introduction for the GP-IB 69

8.3.1 Messages 69

8.3.2 Command Syntax 70

8.3.3 Headers 70

8.3.4 Message Terminators 71

8.3.5 Separators 71

8.3.6 Data Formats 72

8.3.7 Abbreviation of Compound Command Type Header 73

8.3.8 Output Queue 73

8.3.9 Input Buffer 74

8.3.10 Status Model 74

8.3.11 Status Byte Register 75

8.3.12 Event Register 76

8.3.13 GP-IB Commands 78

8.4 Command Reference 79

8.5 Command Summary 109

8.5.1 Standard Command 109

8.5.2 Commands Specific to the 3227 110

8.6 Valid Command According to the Modes 113

8.7 Initialization 114

8.8 Notes on GP-IB Interface 115

8.9 Sample Programs 116

8.9.1 Hewlett Packard Series 300 Sample Programs 116

8.9.2 DOS/V Sample Program 124

Chapter 9 Printer Interface 127

9.1 Printer Interface 127

9.1.1 Connecter 127

9.1.2 Connecting Method 128

9.2 Print Method 129

Chapter 10 Maintenance and Service 131

10.1 Changing the Fuse 131

10.1.1 Power Fuse 131

10.1.2 Circuit Protection Fuse 132

10.2 Disposing the Unit 134

10.3 Trouble Shooting 135

────────────────────────────────────────────────────

Introduction

────────────────────────────────────────────────────

ntroduction

nspection

Thank you for purchasing this HIOKI "3227 mΩHiTESTER." To get the

maximum performance from the unit, please read this manual first, and keep

this at hand.

When the unit is delivered, check and make sure that it has not been

damaged in transit. In particular, check the accessories, panel switches, and

connectors. If the unit is damaged, or fails to operate according to the

specifications, contact your dealer or HIOKI representative.

Accessories

9287 CLIP TYPE LEAD 1

9188 TEMPERATURE PROBE 1

Power code 1

Converter plug 1

Instruction Manual 1

Spare fuse for the circuit protection F1.0A/250V 1

Spare fuse for the power supply 1

T0.5A/250V (at 100/110/120V)

T0.25A/250V (at 200/220/240V)

(The spare fuse is stored inside the AC power supply inlet, and is of a rating

appropriate to the actual operational voltage of the unit.)

Shipment

If reshipping the unit, preferably use the original packing.

────────────────────────────────────────────────────

Safety Notes

────────────────────────────────────────────────────

WARNIN

This equipment is designed to according to IEC 348 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.

・This symbol is affixed to locations on the equipment where the

operator should consult corresponding topics in this manual

(which are also marked with the symbol) before using relevant

functions of the equipment.

・In the manual, this mark indicates explanations which it is

particularly important that the user read before using the

equipment.

Indicates AC (Alternating Current).

Indicates a fuse.

afety Notes

This Instruction Manual provides information and warnings essential for

operating this equipment in a safe manner and for maintaining it in safe

operating condition. Before using this equipment, be sure to carefully read the

following safety notes.

Safety symbols

iii

────────────────────────────────────────────────────

Safety Notes

────────────────────────────────────────────────────

WARNIN

Indicates that incorrect operation presents significant danger of

accident resulting in death or serious injury to the user.

CAUTIO

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.

────────────────────────────────────────────────────

Notes on Use

────────────────────────────────────────────────────

WARNIN

In order to prevent electric shock and short-circuit accidents, shut off

the power to the line to be measured before connecting the direct

connection voltage and current cables to the terminals.

Be sure to connect the input terminal, SENSE, or SOURCE terminals

correctly. Measurement which is attempted with the wiring connected

incorrectly may cause damage to the unit or a short-circuit.

Before turning on the power, make sure that the voltage of the power

supply being used matches the supply voltage indicated on the rear

panel of the unit.

The unit is constructed so as to be connected to a ground line via a

three-core power cord that is supplied with the unit.

In order to avoid electric shock, connect the unit to a properly grounded

(3-pin) outlet using the power cord provided. In addition, if using a

ground adapter, be absolutely sure to connect the green ground wire

which protrudes from the adapter to a ground line.

In order to avoid electric shock, if not connecting the unit to a properly

grounded (3-pin) outlet using the power cord provided, be sure to

connect the ground terminal to a proper ground.

The maximum permissible input is mentioned on specifictioins. Do not

measure voltage in excess of these limitations, as doing so may damage

the unit or cause an accident that might result in infuty or death.

CAUTIO

・To avoid damage to the unit, do not input a voltage or current exceeding the

rated maximum to the external input terminals.

・To avoid damage to the unit, do not input a voltge or current exceeding the

rated to the output terminal.

・To avoid damage to the unit, do not subject the equipment to vibrations or

shocks during transport or handling. Be especially careful to avoid dropping

the equipment.

・Before using the unit, make sure that the sheathing on the probes is not

damaged and that no bare wire is exposed. If there is damage, using the

unit could cause electric shock. Replace the probe with the specified 9287.

・The unit should always be operated indoors in a range from 0℃to 40℃and

80% RH or less. Do not use the unit in direct sunlight, dusty conditions, or in

the presence of corrosive gases.

・Do not measure the voltage applied point. Particularly, the 3227 would be

damaged by induced voltage when measuring soon after the temperature

rise test or the pressure test of the trans or the motor.

otes on Use

In order to ensure safe operation and to obtain maximum performance from

the unit, observe the cautions listed below.

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