0 001mv accuracy groundwater detector

{"cid":"91206881","title":"PQWT S300 Resistivity Meter with 800x480 Touch Screen 0.001mV Accuracy and 9kg Weight for Groundwater Detection","imgUrl":"https:\/\/img.chinax.com\/nimg\/59\/68\/9dc8e1964908bbf17b75714319e4-200x200-1.jpg","attrs":{"Price":"$1,271","Brand Name":"PQWT-S300","Model Number":"PQWT","Minimum Order Quantity":"1","Place of Origin":"Hunan, China","Operating frequency":"Multi-Frequency","Type":"Underground Water Detector 300m","Weight":"9kg","LCD Size":"800x480 Touch Screen","Power supply":"3.7V 4000mAh of 2, Built-in Battery","Frequency":"Single, Three, 36\/40 Frequency","Conversion Range":"0mV-1500mV","Input Impedance":"\u226510M\u03a9","Accuracy":"0.001mV","Depth":"150m 300m","Display":"7 inch LCD Touch Screen","Working Temperature":"-20~40\u2103","Function":"AMT,CSAMT,Field Resistivity","Detection type":"Fresh Groundwater","Measuring range":"0-1500mV"}}

{"cid":"91217338","title":"GeoVES Borehole Water Detector Geo Resistivity Testing Machine For Groundwater Geophysical Underground Water Finder","imgUrl":"https:\/\/img.chinax.com\/nimg\/b6\/53\/10614dfe7eeff9aea15644377239-200x200-1.jpg","attrs":{"Price":"Negotiated","Brand Name":"GOLD","Model Number":"WDJD-4A","Minimum Order Quantity":"1 set","Delivery Time":"5-8 work days","Certification":"CE, ISO","Place of Origin":"chongqing,China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, ","Supply Ability":"1 set per 5 days","Packaging Details":"wooden case","Industry attributes":"geological exploration instrument","display":"160x160xdot matrix LCD","storage":"\u22641GB","working temperature":"-10\u2103~+50\u2103, 95% RH","Storage temperature":"-20\u2103~+60\u2103","Instrument power":"Internal 12V 9Ah rechargeable battery, lasts for 30 hours","Weight":"\u22644.4kg","Dimension(L*W*H)":"270mm*246mm*175mm"}}