China 2020 Best Sales! ! ! 500m Deep Underground Water Detector Geophysical Resistivity Meter, Find details about China Underground Water Detector, Water Finder from 2020 Best Sales! ! ! 500m Deep Underground Water Detector Geophysical Resistivity Meter
DZD-6A Survey & control unit | |
Measuring voltage range | -6000mV~+6000mV |
Measuring voltage resolution | 0.01mV |
Measuring voltage accuracy | (Vp>10mV)±5%, ±1 digit; (Vp>10mV)±1%, ±1 digit |
Measured apparent polarizability accuracy | ±1%, ±1 digit |
Measuring current range | 0~5000mA |
Measuring current resolution | 0.01mA |
Measuring current accuracy | (Ip>10mA)±5%, ±1 digit; (Ip>10mA)±1%, ±1 digit |
Input impedance | >50M ohm |
Interference suppression on 50Hz power frequency | better than 80dB |
Maximum power supply voltage | 900V |
Maximum power supply current | 5A |
Power pulse width | 1-6 seconds, duty cycle 1:1 |
Working temperature | -10ºC ~ +50ºC, 95Rh |
DUK-2A Multi-electrode converter | |
Conversion electrodes | 60 channels or 120 channels |
Operating mode | 16-key keypad with 90 character LCD display combines to form man-machine dialogue operation |
Maximum allowable current | 2A |
Maximum withstand voltage | 500V DC |
Insulating property | 500M ohm |
Working temperature | -10ºC ~ +50ºC |
Weight | 7kg (60 channels)/ 7.5kg (120 channels) |
Volume (mm) | 305*200*202 (60 channels)/ 324*200*245 (120 channels) |