FUZRR ES3001 - Technical Specifications

- 4 -
Grounding
Voltage
AC 0.00～100.0V ±2%rdg±3dgt 0.01V
Remark：
1. Reference conditions: accuracy with Rh Rs < 100Ω。
Working conditions:Rh max＝3kΩ+100R＜50kΩ；Rs max＝3kΩ+100R＜50kΩ
2.Depends on the measurement accuracy of R,π=3.14, a:1 m～100m；
IV．Technical Specifications
Function
Two three four-
wire measure grounding resistance, soil
resistivity;
Ground voltage, AC voltage measurement
Ambient
temperature and
humidity
23℃±5℃，below 75%rh
Power
DC 6V 4.5Ah lead-
acid battery lasts more than 100 hours
standby
Interference
voltage
<20V (should be avoided)
Interference
current
<2A (should be avoided)
Measure R
electrode
spacing
a＞5d
Measured
electrode
spacing
a＞20h
Auxiliary ground
resistance
Reference condition <100Ω, working condition <5kΩ
Range
Grounding resistance: 0.00Ω～30.00kΩ
Soil resistivity: 0.00Ωm～9999kΩm
Grounding voltage: 0.00V～100.0V
measurement mode
Precise four-wire、 three-
wire measurement, simple
two-wire measurement
Measurement
methods
Grounding resistance: rated current change pole method
Soil resistivity: four-pole method
Ground Voltage: Average Rectification(between S-
ES
interface)
Test frequency
128Hz
Short circuit
test current
> 20mA (Sine Wave)