Hioki 3805 User manual

3805
DIGITAL HiTESTER
INSTRUCTION MANUAL

Contents
Introduction i
Inspection i
Safety Notes ii
Notes on Use viii
Chapter 1 Overview 1
1.1 Product Overview 1
1.2 Features 2
Chapter 2 Names and Functions of Parts 3
2.1 Push Buttons 4
2.2 Rotary Switch 7
2.3 Input Terminal 8
2.4 LCD Display Illustration 9
Chapter 3 Measurement Procedures 11
3.1 Voltage Measurement 13
3.1.1 AC Voltage Measurement 14
3.1.2 Frequency Measurement 15
3.1.3 DC Voltage Measurement 16
3.2 Diode Check 17
3.3 Resistance Measurement 19
3.4 Current Measurement 21
3.4.1 AC Current Measurement 22
3.4.2 Frequency Measurement 23
3.4.3 DC Current Measurement 24
3.5 Capacitance Measurement 25
3.6 Temperature Measurement 27

Chapter 4 Special Functions Instructions 31
4.1 Data Hold 32
4.2 Refresh Hold 33
4.3 Dynamic Recording 34
4.4 Harmonic Ratio Measurement 37
4.5 Relative (Zero) 38
4.6 % of mA Measurement (4-20mA) 39
4.7 Beeper On/Off 40
4.8 Set Up 41
4.8.1 Timer Setting for Auto-power Save 42
4.8.2 Selecting % Display for 4 to 20 mA 43
4.8.3 Selecting J/ k Types and / Display 44
4.9 Communication (RS-232C) 45
Chapter 5 Specifications 47
5.1 General Specifications 47
5.2 Accuracy Chart 51
Chapter 6 Maintenance and Service 57
6.1 Changing the Battery and Fuses 57
6.2 Cleaning 60
6.3 Service 60

i
_______________________________________________
Introduction
_______________________________________________
Introduction
Inspection
Thank you for purchasing the HIOKI "3805
DIGITAL HiTESTER". 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. If
damage is evident, or if it fails to operate according
to the specifications, contact your dealer or Hioki
representative.
Accessories
3851-10 TEST LEAD (a pair) 1
Protective holster 1
Instruction Manual 1
6F22 manganese battery 1
(built into this unit, for monitor)