Hioki HiTESTER 3540 User manual

INSTRUCTION MANUAL
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3540
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mΩHiTESTER

Contents
Introduction i
Inspection i
Safety ii
Precautions v
Chapter 1 Outline 1
1.1 Four-terminal Method 1
1.2 Temperature Correction Function 3
1.3 Effects of Thermoelectromotive Force 5
Chapter 2 Name and Functions 7
2.1 Front Panel 7
2.2 Rear Panel 11
2.2.1 3540 11
2.2.2 3540-01 11
2.2.3 3540-02 11
2.2.4 3540-03 12
2.3 Top Case 13
Chapter 3 Specifications 15
3.1 General Specifications 15
3.2 Measurement Range 18
Chapter 4 Operating Procedure 21
4.1 Preparing Measurement 21
4.1.1 Measurement Leads 22
4.1.2 About the Temperature Probe 23
4.1.3 Instrument Handle 23
4.2 Resistance Measurement 24
4.2.1 Setting the Power Supply Frequency 25
4.2.2 Changing the Measurement Range 26
4.2.3 Zero Adjust Function 27

4.2.4 Switching the Sampling Speed 28
4.2.5 Hold Function 28
4.2.6 Overload Indicator 29
4.2.7 Current Abnormality (CCERR) Detection
Function 29
4.3 Comparator Function 30
4.3.1 Using the Comparator 31
4.3.2 Selecting the Comparator Table 31
4.3.3 Selecting the Comparator Mode 31
4.3.4 Selecting the Buzzer Mode 32
4.3.5 Configuring the Comparison Values 33
4.3.6 Outputting Comparator Results 34
4.4 Temperature Correction Function (TC) 35
4.5 Temperature Measurement 36
Chapter 5 External Control Features 37
5.1 Connectors 38
5.1.1 The External Terminal 39
5.1.2 The External Connectors 40
5.2 Connections to Terminals 41
5.2.1 The External Terminal 41
5.2.2 External Connectors 42
5.3 Electrical Specification 43
5.3.1 Power Supply Rating 43
5.3.2 Input/output Ratings 44
5.3.3 Internal Circuit 45
5.4 Using the Signals 46
5.4.1 Measurement Control 47
5.4.2 Outputting Measurement Results 50
Chapter 6 RS-232C Interface 53
6.1 Specifications 53
6.1.1 RS-232C Settings 53
6.1.2 Electrical Characteristics 53
6.1.3 Connector 54
6.1.4 Connection Method 54

6.2 Communication Method 55
6.2.1 Connection to Computer 55
6.2.2 Command Transfer Method 55
6.2.3 Command Format 56
6.2.4 Response Format 57
6.2.5 Delimiter 57
6.3 Command 58
6.3.1 Explanation of Command References 58
6.3.2 Command References 59
6.3.3 Received Data 70
Chapter 7 Printers 73
7.1 Making Connections 73
7.2 Printing 75
Chapter 8 Maintenance and Service 77
8.1 Battery Replacement Procedure 77
8.2 Fuse Replacement Procedure 79
8.3 Troubleshooting 80
8.4 Error Code Table 82
8.5 Service 83
8.6 Cleaning 83

i
___________________________________________________________________
Inspection
___________________________________________________________________
Introduction
Inspection
Thank you for purchasing the HIOKI "3540 mΩHiTESTER." To
obtain maximum performance from the product, please read this
manual first, and keep it handy for future reference.
When you receive the product, inspect it carefully to ensure that
no damage occurred during shipping. In particular, check the
accessories, panel switches, and connectors. If damage is evident,
or if it fails to operate according to the specifications, contact your
dealer or Hioki representative.
Accessories
9287-10 CLIP TYPE LEAD 1
9451 TEMPERATURE PROBE 1
Instruction Manual 1
Four R6P manganese batteries 6
Spare fuse to protect the circuit
(F1.0 AH/250 V) 1
Ferrite Clamp
(for AC adapter and temperature probe) 2
External connector socket (Ver.-01 only) 1

ii
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Safety
___________________________________________________________________
WARNING This product is designed to conform to IEC 61010
Safety Standards, and has been thoroughly tested for
safety prior to shipment. However, mishandling
during use could result in injury or death, as well as
damage to the product. Be certain that you
understand the instructions and precautions in the
manual before use. We disclaim any responsibility for
accidents or injuries not resulting directly from
product defects.
･The symbol printed on the product indicates that the
user should refer to a corresponding topic in the
manual (marked with the symbol) before using the
relevant function.
･In the manual, the symbol indicates particularly
important information that the user should read before
Indicates DC (Direct Current).
Indicates the ON side of the power switch.
Indicates the OFF side of the power switch.
Safety
Safety symbols
This manual contains information and warnings essential for safe
operation of the product and for maintaining it in safe operating
condition. Before using the product, be sure to carefully read the
following safety notes.

iii
___________________________________________________________________
Safety
___________________________________________________________________
WARNING
Indicates that incorrect operation presents a
significant hazard that could result in serious injury or
death to the user.
CAUTION Indicates that incorrect operation presents a
possibility of injury to the user or damage to the
product.
NOTE Advisory items related to performance or correct
operation of the product.
The following symbols in this manual indicate the relative
importance of cautions and warnings.
Measurement categories (Overvoltage categories)
To ensure safe operation of measurement instruments, IEC 61010
establishes safety standards for various electrical environments,
categorized as CAT I to CAT IV, and called measurement
categories. These are defined as follows.
CAT I : Secondary electrical circuits connected to an AC
electrical outlet through a transformer or similar device.
CAT II: Primary electrical circuits in equipment connected to an
AC electrical outlet by a power cord (portable tools,
household appliances, etc.)
CAT III: Primary electrical circuits of heavy equipment (fixed
installations) connected directly to the distribution panel,
and feeders from the distribution panel to outlets.
CAT IV: The circuit from the service drop to the service entrance,
and to the power meter and primary overcurrent
protection device (distribution panel).
Higher-numbered categories correspond to electrical environments
with greater momentary energy. So a measurement device designed
for CAT III environments can endure greater momentary energy
than a device designed for CAT II.
Using a measurement instrument in an environment designated
with a higher-numbered category than that for which the

iv
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Safety
___________________________________________________________________
instrument is rated could result in a severe accident, and must be
carefully avoided.
Never use a CAT I measuring product/ instrument in CAT II, III,
or IV environments.
The measurement categories comply with the Overvoltage
Categories of the IEC60664 Standards.