Specifications
Function Ground resistance measurement, soil resistivity measurement, step voltage measurement, distributed potential measurement, contact voltage measurement Ground resistance range 0.030~2.000Ω Accuracy：±2%rdg±5dgt 0~20.00Ω Accuracy：±2%rdg±5dgt 0~200.0Ω Accuracy：±2%rdg±5dgt 0~2000Ω Accuracy：±2%rdg±5dgt Ground resistance resolution 0.001Ω Rated measuring power 2000W Capacity of resisting disturbance Anti-power frequency 50hz voltage 50v Base condition 23℃±5℃，below 70%rh (Auxiliary ground resistance 20Ω±10%，voltage to earth＜10V) Power AC 220V 10A (50Hz) Backlight Controllable gray screen backlight Measurement mode four-wire measurement, three-wire measurement, two-wire measurement Measurement method Grounding resistance: rated current method Short circuit test current 1A、2A、3A、4A、5A(5 file settings) Soil resistivity electrode spacing range Can set 1m～100m Test frequency 45Hz、55Hz、Automatic dual frequency optional Short circuit maximum current AC 5A±10% Sine wave No-load maximum voltage AC 400V±10% Sine wave Display mode 7-inch touch-control color screen Touch screen yes Measurement indication Measurement progress display, measurement prompt animation display Instrument size L/W/H：540mm*440mm*210mm Standard test line length Red 15m，black 15m，yellow 10m，green 10m，yellow 1.5m，green 1.5m each one Auxiliary grounding rob 800mm 2pcs , 200mm 2pcs Measurement time ground impedance：about 1min/time Print Built-in thermal printer Print paper specification 57*40mm Data storage 100 groups, “Save successfully!” Store indication, display “Save failed, space is full!” character indicates that the storage is full Data review yes Overflow display Over-range overflow function: “OL” symbol display Automatic shut-down no Power consumption Standby: <110W Measure：2000W Weight Instrument：27kg Test line、Auxiliary ground rob、 Instrument bag：5.5kg Working temperature and humidity -10℃～40℃；Below 80%rh Storage temperature and humidity -20℃～60℃；Below 70%rh Insulation resistance 10MΩ above(Between circuit and case500V) Pressure resistance AC 3700V/rms(Between circuit and case) Electromagnetic properties IEC61010-4-3，Wireless frequency electromagnetic field≤1V/m Suitable for Safety Regulations IEC61010-1、IEC1010-2-31、IEC61557-1,5、IEC60529(IP54)、Pollution Degree 2、CAT Ⅲ 300V
