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인증된 전문가에게 직접 연결
인증된 전문가에게 직접 연결
Features: Ground resistance, soil resistivity, DC resistance, ground voltage, AC current, leakage current measurement
Power supply: DC 8.4V (rechargeable battery, 300 hours of continuous standby)
Range
Grounding resistance, DC resistance: 0.00Ω～30.00kΩ
Grounding voltage: AC0.0V～100.0V
Soil resistivity: 0.00Ωm～9000kΩm
Alternating current: AC 0.00mA～600.0A
Measurement method
Precision four-wire, three-wire method, simple two-wire, selection method, double clamp method to measure ground resistance
Measurement methods
Soil resistivity: quadrupole method (Winner method)
DC resistance: pole changing method
Alternating current: average value rectification (clamp-on)
Voltage to ground: average value rectification (between P(S)-ES interface)
Back light: Controllable white screen backlight, suitable for dim places
Display mode: 4-digit large LCD display with backlight
Measurement instructions: LED flashing indicator in the measurement, LCD reverse count display
LCD size: 128mm×75mm; display area: 124mm×67mm
Instrument size: Height, width and thickness: 280mm×260mm×160mm
Standard test line: 4 strips: red 20m, black 20m, yellow 10m, green 10m each
Simple test line: 2 strips: red 1.6m, black 1.6m each
Auxiliary ground rod: 4 pieces: φ10mm×150mm
Measure time: AC current: about 2 times/second; voltage to ground: about 2 times/second; ground resistance: about 7 seconds/time
Number of measurements: More than 5000 (short circuit test, 1, stop 30 seconds)
Line voltage: Measurement below the AC 600V
Communication Interface: With RS232 interface, the stored data can be uploaded to the computer through software
Communication line: 1 RS232 communication line, 1.5m long
Data storage: Group 2000
Protection level: IP65(cover)
Overload protection: Measurement of grounding resistance: AC 280V/3 seconds between each port of C(H)-E, P(S)-ES
Insulation resistance: Above 20MΩ (500V between circuit and housing)
Resistant to pressure: Between the AC 3700V/rms(circuit and the housing)
Current clamp size: Height, width and thickness: 185mm×115mm×43mm
Current clamp: 2 pieces: blue and black plugs, 1 red and black plug each
Current clamp diameter: φ68mm
Current clamp lead: 2m long
