electrical resistivity meter for groundwater exploration

{"cid":"91217338","title":"Earth Electrical Resistivity Test For Groundwater Exploration","imgUrl":"https:\/\/img.chinax.com\/nimg\/97\/7b\/2601540b80c2fab0da136516a327-200x200-1.jpg","attrs":{"Price":"3000-5000\uff04 1 set","Brand Name":"Gold","Model Number":"WDJD-3A","Minimum Order Quantity":"1","Delivery Time":"5-8 working days","Place of Origin":"China,Chongqing","Payment Terms":"L\/C, D\/A, D\/P, T\/T, , MoneyGram","Supply Ability":"1 set per 5 days","Packaging Details":"Wooden","Product Name":"Electrical Resistivity Test","Brand":"Gold","Maximum Current":"\u00b15A(over-current protection)","Delay Time":"0.1~5s (programmable)","Current Measurement":"5A, \u00b10.2% \u00b11LSB,24 bit A\/D","SP Compensation Range":"\u00b110V","Max. Current Sampling Resolution":"0.02\u03bcA","Storage Temperature":"-20\u00b0C~+60C(Environmental)"}}

{"cid":"91206881","title":"PQWT TC1200 Resistivity Meter and Groundwater Finder with 1500m Depth Automatic Mapping and Multi-Language Support","imgUrl":"https:\/\/img.chinax.com\/nimg\/1d\/46\/2147295cefa0dda26482790651cf-200x200-1.jpg","attrs":{"Price":"$3,885-4,571","Brand Name":"PQWT","Model Number":"PQWT-TC1200","Minimum Order Quantity":"1","Measuring Depth":"1500m","Power Supply":"DC12V 4000mAh","Storage Capacity":"999 lines, 999 points\/line","Display":"LCD","Frequency":"Single, triple, 20\/40\/56\/68","Measurement Range":"0-2000mV","Detection Depth":"600\/900\/1500m","Instrument Language":"English, French, Spanish, Arabic","Battery Type":"Built-in","Data Storage":"999 lines","Points per Line":"999","Automatic Mapping":"Yes","Profile Mapping":"Yes","Resistivity Method":"Natural electric field","Operation Learning Time":"5 minutes","Place of Origin":"Hunan, China"}}