Receiving Part Measuring Voltage Range: -6000mV~+6000mV Measuring Voltage Resolution: 0.01 mV Measuring Voltage Accuracy: (at Vp>10mV)±5%, ±1 digit; (at Vp<10mV)±1%, ±1 digit Measured Apparent Polarizability Accuracy: ±1%, ±1 digit Measuring Current Range: 0~5000 mA Measuring Current Resolution: 0.01 mA Measuring Current Accuracy: (at Ip>10mA)±5%, ±1 digit; (at Ip<10mA)±1%, ± digit Input Impedance: ≥50MΩ Interference Suppression on 50Hz Power Frequency: Better than 80dB Transmitter Part Maximum Transmitting Power: 4500 W Maximum Power Supply Voltage 900V Maximum Power Supply Current: 5A Instrument has over-voltage and over-current protection devices Power Pulse Width: 1-60 seconds, Duty Cycle 1:1 Others Parameter Working Temperature: -10℃to +50℃, 95%Rh Storage Temperature: 20℃ to +60℃ Power Supply: 1# Dry Cell (or rechargeable battery with the same specification) 8 pcs Machine Current: < 55 mA Weight: 8 kg Volume: 305×200×202 mm Main Features