Introduction:
WDJD-3A Multi-Function Digital DC Resistivity/IP Meter is resistivity and induced polarization survey equipment, based on years of experience of design and manufacture, meets user’s most and latest needs. It features multiple functions, high accuracy, fast speed, high reliability and excellent expandability. Measured data of WDJD-3A can be processed by other multi-electrode resistivity software, which makes the interpretation more convenient.
Main Features and Functions
1.High accuracy:CMOS large-scale integrated circuit
2.Portable:Compact size wight light weight
3.Multi parameters:measure VP, IP, SP, RO, M, TH...
4.Stable: Protections with over voltage, over current, battery and battery display, data protection after interrupt of electrical power
5.Earth resistance checking: earth condition can be checked
Receiving | |
Voltage | ± 6V, precision: |
Measurement accuracy | if Vp≥10mV, ± 5‰ ± 1LSB; |
Input impedance | ≥50MΩ |
Measurement precision of arrarent polarizability | ± 1 ± 1LSB |
SP compensation range | ±1V |
Current | 5A,±1%±1LSB |
Measurement accuracy | if Vp≥10mA, ± 5‰ ± 1LSB; |
Suppression | ≥80dB for 50Hz frequency industrial and electrical interference |
Transmitting | |
Max transmitting power | 4500W |
Max voltage | ±900V |
Max current | ±5A(when voltage ≤900v) |
Pulse width | 1~60s, duty ratio 1:1 |
Others | |
Working temperature | -10℃~50℃, 95 %RH |
Storage temperature | -20℃~+50℃ |
Power supply | eight D-size batteries |
Overall current | ≤ 55mA |
Weight | 7kg |
Dimension(L*W*H) | 310mm x 210mm x 210mm |
