ETCR ETCR3350 大規模接地グリッド地面抵抗オンライン検出器 (2000Ω, 400V, 5A)

Power Supply: AC220V±10％, 50Hz

Display Screen: 5 inch touch color screen

Impedance Measurement Range: 0.000Ω~2000Ω

Max. Solution: 0.001Ω

Measurement Error: ±2%rdg±5dgt

Soil Resistivity Measurement Range: 0Ωm~125kΩm(Depending on the resistance measurement range and test length)

Soil Resistivity Measurement Accuracy: Depending on the measurement accuracy of R(ρ=2πaR; a:1 m~100m; π=3.14)

Anti-power Frequency Voltage Interference Ability: 10V(50Hz)

Test Current Waveform: Sine wave

Test Current Frequency: Choose one or two frequency point between 40Hz and 60Hz

Max. Output Current: 5A

Output Current Level: 1A, 2A, 3A, 4A, 5A

Max. Output Voltage: 400V

Measuring Line Requirement: The cross-sectional area of the copper core of the current line ≥2.0mm2; the cross-sectional area of the copper core of the voltage line ≥1.5mm2

Overall Size: 450×296×280mm

Instrument Weight: Host weight: about 26kg, total weight: about 37.6kg (include accessory)

Memory: 1000 groups

Communication Function: RS485 interface, data upload function

Bluetooth Communication: Support Android system

Withdraw Voltage: AC 3700V/rms(Between the circuit and the housing)

Working Temperature & Humidity: -10℃~40℃; below 80%RH

Storage Temperature & Humidity: -20℃~60℃; below 70%RH

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