2 3d resistivity underground water detector

{"cid":"91220881","title":"300m Multi-Channel Groundwater Detector Admt 16D Mobile Phone Mapping 3D Portable Underground Water Detector","imgUrl":"https:\/\/img.chinax.com\/nimg\/e7\/d5\/338c688c463307f1299650168a2a-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"RanCheng","Model Number":"Water Detector","Minimum Order Quantity":"1","Delivery Time":"10-15 working days","Certification":"CE, ISO 9001:2000","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"100sets per Month","Packaging Details":"Standard shipping","Frequency":"Single, Triple 33Frequency","LCD":"Industrial 7-inch HD touch screen","PS":"DC12V 4000mAh Built-in Battery","Accuracy":"0.001mv","Channel":"4\/6\/8","Name":"Water Finder"}}

{"cid":"91217338","title":"Geophysical ERT Electrical Resistivity Tomography Equipment 2\/3D Resistivity Imaging Meter Underground Water Detector","imgUrl":"https:\/\/img.chinax.com\/nimg\/23\/04\/b2135159451321eb4e6d81fef04b-200x200-1.jpg","attrs":{"Price":"Negotiated","Brand Name":"Gold","Model Number":"WGMD","Minimum Order Quantity":"1 set","Delivery Time":"5-8 working days","Certification":"ISO9001 CCC CE","Payment Terms":"L\/C, D\/A, D\/P, Western Union","Supply Ability":"1 set per 5 days","Packaging Details":"Carton","Place of Origin":"Chongqing, China","Product name":"Geophysical Resistivity IP Meter","Receiving voltage channel":"\u00b132V(24 bitA\/D)","Apparent polarization accuracy":"\u00b11%\u00b11character","Input impedance":">50M\u03a9","SP compensation range":"\u00b110V","Current channel":"6A(24bitA\/D)","Transmitter maximium power":"7200W","50Hz industrial interface":"better than 80dB","Transmitter maximium supply voltage":"\u00b11200V","Transmitter maximium supply current":"\u00b16A"}}

{"cid":"91206881","title":"PQWT-S500 Portable Underground Water Detector Machine Automatic Mapping 500m Depth","imgUrl":"https:\/\/img.chinax.com\/nimg\/78\/77\/4c3c997aa35c61c0d46315e6236a-200x200-1.jpg","attrs":{"Brand Name":"PQWT","Model Number":"S500","Minimum Order Quantity":"1 unit","Delivery Time":"5-8 working days","Certification":"CE\/ISO\/MSDS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, Western Union, MoneyGram\/\/AliExpress","Supply Ability":"500 units per month","Packaging Details":"carton","Color":"Blue","Depth":"100\/150\/300\/500m","Accuracy":"More than 95%","After-sales service":"24 hours for free","Shipping method":"DHL\/UPS\/TNT\/ FEDEX","WhatsApp\/Wechat":"+8618817121511"}}