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Multi-function Digital DC Resistivity/IP Meter
Model: WDJD-4
| Receiving | |
| Voltage | ± 6 V,±1 % ± 1LSB |
| Measurement accuracy | if Vp≥10mV, ± 5‰ ± 1LSB; if Vp < 10mV, ±1% ± 1LSB; |
| if Vp≥10mV, ± 5‰ ± 1LSB; if Vp < 10mV, ±1% ± 1LSB | |
| Input impedance | ≥50MΩ |
| Measurement precision of apparent polarizability | ± 1%± 1LSB |
| SP compensation range | ± 10V |
| Current | 6 A,±1% ± 1 LSB |
| Measurement accuracy | if IP≥10mA, ± 5‰± 1LSB; if IP<10mA,± 1%± 1LSB |
| Suppression | over 90Db for 50Hz industrial frequency (common mode interference or differential mode interference) |
| Transmitting | |
| Maximum transmitting power | ±6600W |
| Maximum voltage | ±1100V |
| Maximum current | ±56A (when voltage ≤900V) |
| Pulse width | 1~60s, duty cycle is 1:1 |
| Others | |
| Working temperature | -10°C~+50°C (Environmental), 95 %RH |
| Storage temperature | -20°C~+50°C (Environmental) |
| Power supply | internal 12V 9Ah rechargeable battery , lasts for 30 hours (or 12V external power supply) |
| Overall current | ≤55mA |
| Weight | ≤4.5Kg |
| Dimension (LxWxH) | 270mmx246mmx175mm |