DEMIKS DDW-603 접지 저항 테스터 (0 - 150Ω)

Measurement Range: 0 - 150Ω (including current stake impedance)

Resolution: 0.001Ω

Measurement Error: ±(Reading × 2% + 0.002Ω)

Maximum Output Voltage: AC 400V (45Hz, 55Hz, dual - frequency, sine wave)

Maximum Output Current: AC 5A (45Hz, 55Hz, dual - frequency, sine wave)

Current Output Gear: 5/4.5/4/3.5/3/2.5/2/1.5/1A, one gear every 0.5A, total 9 gears

Anti - interference Ability: Resistant to 50Hz power frequency voltage of 10V

Soil Resistivity Measurement Range: 0 - 999.9Ω/M, accuracy: ±2%, resolution: 0.01Ω/M

Requirements for Measuring Wires: Cross - sectional area of copper core of current wire ≥ 1.5mm²Cross - sectional area of copper core of voltage wire ≥ 1.0mm²

Power Supply: AC220V±10%, 50Hz

Dimensions: 440×350×210mm³

Instrument Weight: 30kg