Digital Electrical Resistivity Meter

Digital Electrical Resistivity Meter

Digital Electrical Resistivity Meter
Specifications:
32-bit microcontroller technology and 24-bit A / D technology
USB port
Auto compensation of self-potential, drift and electrode polarization
Receiver supports transient over-voltage protection for input voltage; transmitter supports over-voltage protection, overcurrent protection and AB open-circuit protection.
Built-in 12V lithium battery ( also support external 12v battery) for 20 hours continuous work.
Accessories:
External Power source
Stainless Steel Electrode
Standard test resistance
Box Twisted pair wire winch
Transmitting Power
Maximum Transmitting Power: 3500W
Maximum Voltage: ±1000 V
Maximum Current: ±3.5A (over current protection)
Power supply waveform Duty cycle is 1:1, bipolar

Receiving
Input impedance: ≥50MΩ
Input voltage range: ± 24V, ± 0.5% ± 1 LSB, 24 bit A/D
Delay time: 0.1 ~ 5s (programmable)
SP compensation range: ± 10V
Max current sampling resolution: 0.02μA
Suppression: 80dB for 50Hz or 60Hz (industrial frequency interference)
Current measurement: 3.5A, ± 0.5% ± 1 LSB, 24 bit A/D
OTHERS
LCD display: 160 * 160 dot matrix LCD
Storage: ≥1GB
Working temperature: -10°C~ +50°C (Environmental), 95 % RH
Storage temperature: -20°C~ +60°C (Environmental)
Power supply built-in 12V lithium battery(or external 12V power supply),more than 20 hours of continuous work
Internal transmitting power(only WDDS-3) Max current is 300mA, Max voltage is 200V