ETCR ETCR2100A+ - Table of Contents

CONTENT
I. Attention ....................................................................................... 1
II. Brief Introduction ........................................................................ 3
III. Specification .............................................................................. 5
1．Model of Series .................................................................. 5
2. Ranges and Accuracy of Measurement .............................. 5
3. Specifications ...................................................................... 6
IV. Structure of Meter ...................................................................... 7
V. Liquid Crystal Display ................................................................. 8
1. LCD Screen ......................................................................... 8
2. Description of Special Symbols........................................... 9
3. Examples Illustrated .......................................................... 10
VI. Operating Method ....................................................................11
1.Boot up ................................................................................11
2．Shutdown ......................................................................... 12
3．Resistance Measurement ................................................ 13
*4．Current Measurement .................................................... 14
5．Date Lock/Release/Storage............................................. 15
6．Data Access ..................................................................... 16
7．Alarm Settings ................................................................. 16
8．Access to Alarm Critical Value ......................................... 17
9．Clear Data........................................................................ 17
VII. Measurement Principle .......................................................... 18
1. Principle of Resistance Measurement .............................. 18
2. Principle of Current Measurement .................................... 18
VIII. Measurement Method of Earth Resistance .......................... 19