Digital Ground Resistance / Soil Resistivity Meter

Specifications
1, conditions of use
Ambient temperature: 0 ℃ ~ +45 ℃
Relative humidity: ≤ 85% RH
Resistance: 0 ~ 20Ω (10mA) 20 ~ 200Ω (1mA) 200 ~ 2000Ω (1mA)
Voltage: AC 0 ~ 20V
3, measurement accuracy and resolution
Accuracy: 0 ~ 0.2Ω ≤ ± 3% ± 1d
0.2Ω ~ 2000Ω ≤ ± 1.5% ± 1d
1 ~ 20V ≤ ± 3% ± 1d
Resolution: 0.01Ω, 0.1Ω, 1Ω, 0.01V
4, auxiliary earth resistance and ground voltage measurement errors caused by
? Allow auxiliary earth resistance RC (C1 and C2 between)
0 ~ 20Ω ≤ 1KΩ
20 ~ 2000Ω ≤ 2KΩ
RP (P1 and P2 between) <40KΩ error ≤ ± 5%
? Allowed to voltage (frequency rms) ≤ 5V error ≤ ± 5%
5, power supply and power consumption
≤ 2W maximum power dissipation
AC: 220V/50Hz
6. Size and weight
Size: 220mm × 200mm × 105mm
Weight: ≤ 1.4kg Western Group