Contents
1. Safety Warnings ...............................................................................................1
2. How to store the Cover ....................................................................................5
2-1 Method of removing the Cover ...............................................................5
2-2 Method of storing the Cover ...................................................................5
3. Features .............................................................................................................6
4. Specifications ...................................................................................................7
5. Instrument Layout .......................................................................................... 10
6. Marks and messages on the LCD .............................................................. 13
7. Measurement Principle ................................................................................. 14
7-1 Principle of Earth Resistance Measurements ................................... 14
7-2 Principle of Earth Resistivity (ρ) Measurements .............................. 14
8. Preparation for Measurement ....................................................................... 15
8-1 Battery Voltage Check ........................................................................... 15
8-2 Settings ................................................................................................... 15
8-2-1 Setting Items ................................................................................... 15
8-2-2 Setting for Measurement Method ................................................ 16
8-2-3 Setting for Measurement Frequency ............................................ 16
8-2-4 Site (location) No. Setting ............................................................ 17
8-2-5 Setting for the interval between Auxiliary Earth Spikes
at Earth Resistivity (ρ) Measurements ....................................... 18
8-2-6 Date and Time Setting.................................................................... 18
8-2-7 Setting for the residual resistance (Rk) on the Test Leads ..... 21
8-3 Backlight ................................................................................................. 22
8-4 Auto-Power-Off ....................................................................................... 22
8-5 Series Interference Voltage (Earth Voltage) Measurement ............. 23
8-6 Auxiliary Earth Resistance Measurement .......................................... 23
8-7 Connection of Earth Test Leads and Simplified
Measurement Probes ............................................................................. 23
