UNI-T UT8805E

UT8805E Benchtop Digital Multimeter
7
Table of Contents
Preface----------------------------------------------------------------------------------------------------------------------------------------2
Copyright Information---------------------------------------------------------------------------------------------------------------------2
Safety Terms and Symbols-------------------------------------------------------------------------------------------------------------5
Overview--------------------------------------------------------------------------------------------------------------------------------------6
Chapter 1 Quick start---------------------------------------------------------------------------------------------------------------------9
1.1 General Checking ......................................................................................................................... 9
1.2 Handle Adjustment ........................................................................................................................ 9
1.3 Front Panel .................................................................................................................................. 10
1.4 Rear Panel .................................................................................................................................. 10
1.5 Power On ..................................................................................................................................... 11
1.6 User Interface .............................................................................................................................. 11
Chapter 2 Panel Operation-----------------------------------------------------------------------------------------------------------12
2.1 Range Selection .......................................................................................................................... 12
2.2 Reading Speed Selection ........................................................................................................... 14
2.3 Basic Measurements .................................................................................................................. 14
2.3.1 DC Voltage Measurement ................................................................................................ 14
2.3.2 DC Current Measurement ................................................................................................ 16
2.3.3 AC Voltage Measurement ................................................................................................. 17
2.3.4 AC Current Measurement ................................................................................................. 18
2.3.5 2-wire/4-wire Resistance Measurement ........................................................................... 19
2.3.6 Frequency Measurement.................................................................................................. 21
2.3.7 Signal Cycle Measurement............................................................................................... 22
2.3.8 Continuity Test .................................................................................................................. 23
2.3.9 Diode Measurement ......................................................................................................... 24
2.3.10 Temperature Measurement ............................................................................................ 25
2.4 Relative Measurement Parameters ....................................................................................... 27
2.4.1 DC Input Impedance ......................................................................................................... 27
2.4.2 Short- circuit Resistance ................................................................................................... 27
2.4.3 Dual Display Function ....................................................................................................... 28
2.5 Auxiliary System Functions ....................................................................................................... 28
2.5.1 I/O Configuration............................................................................................................... 29
2.5.2 System Settings ................................................................................................................ 30
2.5.3 Time Setting ...................................................................................................................... 31
2.5.4 Firmware Upgrade ............................................................................................................ 31
2.6 Samples Acquirement Setting ................................................................................................... 32
2.6.1 Auto Trigger ...................................................................................................................... 32
2.6.2 Single Trigger .................................................................................................................... 32
2.6.3 External Trigger ................................................................................................................ 33
2.7 Help System ................................................................................................................................ 34
2.8 Mathematical Functions .............................................................................................................. 35
2.8.1 Statistics Operation .......................................................................................................... 36
2.8.2 Limit Operation ................................................................................................................. 37