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UT805
UNI-T UT805 User Manual
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30
Model UT805:
OPERA
TING MANUAL
Note
Open circuit voltage around 1.2V
.
The primary display shows
OL
indicating the tested
circuit is open.
When continuity testing has been completed,
disconnect the connection between the testing leads
and the circuit under test, and remove the testing
leads away from the input terminals of the Meter
.
l
l
l
31
33
Table of Contents
Table of Contents
3
Overview
5
Unpacking Inspection
6
Safety Information
7
Rules for Safe Operation
7
International Electrical Symbols
9
The Meter Structure
10
Front Panel
10
Rear Panel
12
Functional Buttons
13
Display Symbols
16
Measurement Operation
20
DC Voltage Measurement
20
AC Voltage Measurement
22
DC or AC Current Measurement
24
Measuring Resistance
26
Testing Diodes
29
Testing for Continuity
31
Capacitance Measurement
33
Frequency Measurement
35
Selecting a Measurement Range ( , AUTO and Button)
37
The Use of Relative Value Mode
38
MAX MIN Mode
39
The Use of STO and RCL Button
40
Operation of Hold Mode
41
General Specifications
41
Accuracy Specifications
43
DC Voltage
43
AC Voltage
44
DC Current
45
AC Current
46
Resistance
47
Diode Test
48
Continuity Test
48
Capacitance
49
Frequency
50
Calibration Procedure
51
DC Voltage
51
AC Voltage
52
DC Current
53
AC Current
53
Resistance
54
AC Voltage with DC Deviation (AC+DC)
54
AC Current with DC Deviation (AC+DC)
54
Summary of Error Codes
55
Maintenance
56
General Service
56
Replacing the Fuses
57
RS232C and USB Serial Port
59
System Requirements for Installing the UT805 Interface Program
59
RS232C Serial Port
60
Connecting between the Meter and Computer
60
RS232C Port Cable
60
Setting of RS232C Serial Ports
60
USB Serial Port
63
Connecting between the Meter and Computer
63
Setting of USB Serial Ports
63
4
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UNI-T UT805 Specifications
General
Brand
UNI-T
Model
UT805
Category
Multimeter
Language
English
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