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Uni-T UT71A [11/70] International electrical symbols

Model UT71A/B: OPERATING MANUAL

International Electrical Symbols

Symbols used on the Meter and in this manual are explained in Table1-2.

Table 1-2. International Electrical Symbols

AC or DC Measurement

DC Measurement

AC Measurement

Grounding

Double Insulated

Warning. Refer to the Operating Manual

Deficiency of Built-In Battery

Conforms to Standards of European Union

Содержание

Table of contents 3
Chapter 1 before you start 7
Overview 7
Unpacking inspection 8
A note identifies the information that user should pay attention to 9
Cat iii distribution level fixed installation with smaller transient overvoltage than cat iv cat iv primary supply level overhead lines cable systems etc 9
In this manual a warning identifies conditions and actions that may pose hazards to the user or may damage the meter or the equipment under test 9
International electrical symbols used on the meter and in this operating manual are explained on page 9 9
Rules for safe operation 9
Safety information 9
This meter complies with the standards iec61010 safety measurement requirement in pollution degree 2 overvoltage category cat iii 1000v cat iv 600v and double insulation 9
Use the meter only as specified in this operating manual otherwise the protection provided by the meter may be impaired 9
Warning 9
International electrical symbols 11
Automatic backlight off 12
Automatic power off 12
Battery considerations 12
Chapter 2 getting acquainted 12
Turning the meter on 12
Low battery indication 13
The meter structure 13
Rotary switch 14
Functional buttons 16
Recall 16
The meter functions vs displays 23
Selecting the range 26
Understanding the display 26
Analogue bar graph 31
Using max min 31
Chapter 3 making measurement 32
Introduction 32
Chapter 4 using store recall send features 47
Introduction 47
Storing and clearing readings 47
Recalling stored readings 48
Using send 48
Chapter 5 changing the default setting 49
Introduction 49
Selecting setup options 49
Saving setup options 51
Chapter 6 maintenance 52
Chapter 7 specifications 55
Safety and compliances 55
Physical specifications 56
General specifications 57
Feature summary 58
Basic specifications 59
Detailed accuracy specifications 60

Uni-T UT71A [11/70] International electrical symbols

Содержание

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