Tonghui TH1953, Operation Manual

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Contents
Chapter 1 General Information .................................................................................................................................. 4
1.1 Feature Overview......................................................................................................................................... 4
1.2 Operating Environment ............................................................................................................................... 4
1.3 Dimensions and Weight ............................................................................................................................... 4
1.4 Safety symbols and Precautions .................................................................................................................. 5
1.5 Unpacking Inspection .................................................................................................................................. 5
1.6 Mark............................................................................................................................................................. 5
1.7 Warranty....................................................................................................................................................... 6
1.8 Limitation of Warranty ................................................................................................................................ 6
Chapter 2 Specifications and Features ....................................................................................................................... 7
2.1 Specifications ............................................................................................................................................... 7
2.2 Supplementary specifications .................................................................................................................... 10
Chapter 3 Instructions for use .................................................................................................................................. 16
3.1 Front Panel Menu Reference ..................................................................................................................... 16
3.2 Measurement ............................................................................................................................................. 18
3.2.1 DC Voltage ...................................................................................................................................... 18
3.2.2 DCV Ratio ...................................................................................................................................... 19
3.2.3 AC Voltage ...................................................................................................................................... 20
3.2.4 DC Current...................................................................................................................................... 21
3.2.5 AC Current ...................................................................................................................................... 22
3.2.6 Resistance 2W ................................................................................................................................ 23
3.2.7 Resistance 4W ................................................................................................................................ 25
3.2.8 Capacitance Measurement .............................................................................................................. 26
3.2.9 Diode .............................................................................................................................................. 27
3.2.10 Continuity ..................................................................................................................................... 27
3.2.11 Temperature test ............................................................................................................................ 28
3.2.12 Frequency measurement ............................................................................................................... 29
Chapter 4 Arithmetical Operation ............................................................................................................................ 32
4.1 Null Operation ........................................................................................................................................... 32
4.2 Statistics ..................................................................................................................................................... 32
4.3 Limit .......................................................................................................................................................... 32
4.4 dB Calculation ........................................................................................................................................... 32
4.5 dBm Calculation ........................................................................................................................................ 33
4.6 mX+b ......................................................................................................................................................... 33
4.7 Percent ....................................................................................................................................................... 33
Chapter 5 Interface .................................................................................................................................................. 34
5.1 RS-232 interface ........................................................................................................................................ 34
5.1.1 RS-232 Interface Operation ............................................................................................................ 35
5.2 Handler Interface ....................................................................................................................................... 37
5.2.1 Handler setup .................................................................................................................................. 38
5.3 USB Interface ............................................................................................................................................ 39
5.3.1 USB Host ........................................................................................................................................ 39