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UT71
UNI-T UT71 User Manual
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42
Model UT71A/B/C/D/E: OPERA
TING MANUAL
Note
The requirement of Input amplitude
"
a
"
is as follows:
When 10Hz~40MHz: 200 mV
a
30V
rms;
> 40MHz: Un-specified
When Hz measurement has been completed,
disconnect the connection between the testing leads
and the circuit under test and remove the test leads
away from the input terminals.
l
l
44
46
Table of Contents
Table of Contents
4
Before You Start
8
Overview
8
Unpacking Inspection
9
Safety Information
10
Rules for Safe Operation
10
International Electrical Symbols
12
Getting Acquainted
13
Turning the Meter on
13
Battery Considerations
13
Automatic Power off
13
Automatic Backlight off
13
Low Battery Indication
14
The Meter Structure
14
Rotary Switch
15
Resistance
16
Continuity Test
16
Diode Test
16
Functional Buttons
18
The Meter Functions Vs Displays
24
Selecting the Range
27
Understanding the Display
27
Analogue Bar Graph
32
Using MAX MIN
32
Making Measurements
33
Introduction
33
Measuring Voltages
33
Measuring Currents
35
Measuring Resistance
37
Testing for Continuity
38
Testing Diodes
40
Measuring Capacitance
42
Capacitance
42
Measuring Frequency / Duty Cycle
44
Measuring Temperature
46
4~20Ma Loop Current as % Readout
47
Power Measurement
48
Using Stores, Recall and Send Features
50
Introduction
50
Storing and Clearing Readings
50
Recalling Stored Readings
51
Using Send
51
Changing the Default Setting
52
Introduction
52
Selecting Setup Options
52
Maintenance
55
General Service
55
Replacing the Fuses
56
Replacing the Battery
57
Specifications
58
Safety and Compliances
58
Physical Specifications
59
General Specifications
60
Feature Summary
61
Basic Specifications
62
Detailed Accuracy Specifications
63
DC Voltage
63
AC Voltage
64
DC Current
66
AC Current
67
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UNI-T UT71 Specifications
General
Brand
UNI-T
Model
UT71
Category
Multimeter
Language
English
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