CONTENT
Warning.............................................................................................. 0
I．Introduction...................................................................................2
II．Technical Specifications............................................................3
1. Base Conditions and Working Conditions..............................3
2. General Specification..............................................................3
3. Intrinsic error and performance indicators under base
conditions.................................................................................... 5
III． Tester Structure....................................................................... 6
IV．LCD Display...............................................................................7
V．Measuring Principle...................................................................8
VI. Operation Methods.....................................................................9
1．Switch On/Off....................................................................... 9
2．Battery Voltage Check...........................................................9
3．AC Voltage Measurement................................................... 10
4．Earth Voltage Measurement................................................ 11
5．4-wires Precise Earth Resistance Measurement................. 12
6．3-Wires Earth Resistance Measurement.............................15
7．2-Wires Simple Measurement.............................................15
8．Soil Resistivity Measurement............................................. 17
9．Backlight Control................................................................18
10．Alarm Settings...................................................................18
11．Data Lock/Storage.............................................................18
12．Data Reading/Deletion......................................................19
13．Data Upload...................................................................... 19
VII. Battery Replacement.............................................................. 19
VIII．Accessories........................................................................... 20
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