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{"title":"Chian Multi-function Resistivity&IP instrument","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ab\/3f\/78bb96c123815c71bfd3502d4067-200x200-1\/chian_multi_function_resistivity_26ip_instrument.jpg","attrs":{"Place of Origin":"ChongQing","Certification":"ISO9001-2008","Model Number":"","Minimum Order Quantity":"1set"}}
{"title":"Chian Watrer Survey Multi-function Resistivity&IP instrument","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ab\/3f\/78bb96c123815c71bfd3502d4067-200x200-1\/chian_watrer_survey_multi_function_resistivity_26ip_instrument.jpg","attrs":{"Place of Origin":"ChongQing","Certification":"ISO9001-2008","Model Number":"","Minimum Order Quantity":"1set"}}
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{"title":"Chian Minerals Exploration Multi-function Resistivity&IP instrument","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ab\/3f\/78bb96c123815c71bfd3502d4067-200x200-1\/chian_minerals_exploration_multi_function_resistivity_26ip_instrument.jpg","attrs":{"Place of Origin":"ChongQing","Certification":"ISO9001-2008","Model Number":"","Minimum Order Quantity":"1set"}}
WDDS-1 is a new generation intelligence multi-electrode resistivity instrument. It can automatically measure and memorize voltage, current, apparent resistivity, and SP parameter. It is widely used in the hydrological and engineering survey, such as ground water seeking; dam base evaluation and flood control dam incipient fault and so on. It also can be applied in engineering geological prospecting, such as metal-nonmetal mineral resources exploration, urban exploration, railway and bridge, even in the geothermal exploration..
Technical specifications:
Transmitter
Maximum supply voltage: 700V
Maximum supply current: 3.5A (over-current protection)
Supply waveform: repeating ON+, ON-
Receiver
Input impedance: ≥30M
Input voltage range: -6V ～ +6V,±1%±1
Delay time: 0.1～5s (can be setted by program)
Automatic SP compensation range: -1 to +1V
Ground resistance: 0.1 ～ 200KΩ±3%
50Hz industrial frequency pressing:≥60dB
Current measurement: 3.5A, ±1% ±1 LSB
Other
LCD display: 4 line×20character
Operating temperature: -10℃～50℃
Power: eight C size batteries (or same specs nickel-cadmium battery)
