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UT33A
UNI-T UT33A User Manual
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Accuracy Specifications(1)
30
Mod
el UT33A: OPERA
TING MANUAL
A. DC V
oltage
Remark:
Input impedance: 10M
Ω
.
100
µ
V
1mV
10mV
100mV
1V
Accuracy: (a% reading + b digits), guarantee for 1 year
.
Operating temperature: 23
o
C 5
o
C.
Relative humidity: <75%.
Range Resolution
400mV
4V
40V
400V
500V
Accuracy
Overload Protection
(0.8%+3)
(0.8%+1)
500V DC or
AC
(1%+3)
29
31
Table of Contents
Table of Contents
1
Overview
3
Unpacking Inspection
4
Safety Information
5
Rules for Safe Operation
7
International Electrical Symbols
10
The Meter Structure
11
Functional Buttons
12
LCD Display
13
Measurement Operation
14
DC Voltage Measurement
14
AC Voltage Measurement
15
DC Current Measurement
17
AC Current Measurement
19
Resistance Measurement
21
Diode and Continuity Test
23
Transistor Hfe Measurement
26
Sleep Mode
27
General Specifications
28
Accuracy Specifications
30
DC Voltage
30
AC Voltage
31
DC Current
32
AC Current
33
Resistance
34
Diodes and Continuity Measurement
35
Transistor Hfe Test
35
Maintenance
36
General Service
36
Replacing the Battery
37
Replacing the Fuses
38
4
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UNI-T UT33A Specifications
General
Brand
UNI-T
Model
UT33A
Category
Multimeter
Language
English
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