150m 300m 500m detection depth water well logging equipment

{"cid":"91206881","title":"PQWT-TCM Long Range Water Detector with 150m\/300m\/500m Detection Depth, 33 Frequency Multi-Frequency and LCD Touch Screen Display","imgUrl":"https:\/\/img.chinax.com\/nimg\/e0\/25\/df79044fc4c58b123f6bcb400a01-200x200-1.jpg","attrs":{"Brand Name":"PQWT","Model Number":"PQWT-TCM150\/TCM300\/TCM500","Minimum Order Quantity":"1","Place of Origin":"Hunan, China","Operating frequency":"Multi-Frequency","Type":"Long Range Water Detector","Power supply":"Rechargeable Lithium Battery","Display":"LCD Touch Screen","Operating Temperature":"-20~+50\u2103","Operation Mode":"Long Range Search, Auto Mapping Mode","Measuring range":"0-2500mV auto range change","Frequency":"33 Frequency","Surface search range":"1500m","Detection depth":"150m\/300m\/500m","Channels":"4\/6\/8channels","Resolution":"0.001mV","Electrode":"2pcs","Display size":"5.0 inch HD LCD","Data storage":"999 survey lines"}}

{"cid":"91220881","title":"300M 500M 1000M Water Well Logging Equipment Geophsyical Borehole Logger For SP Resistivity Natural Gamma","imgUrl":"https:\/\/img.chinax.com\/nimg\/b8\/a1\/ebe673d41a5f6a4f1b8bdec25dd5-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"RanCheng","Model Number":"RCQ-2D","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","Conversion":"12bit A\/D Conversion","Counting Channel":"f \u2264 500kHz","Digital Signal Transmission Frequency":"9600bit\/s","Power Supply Cycle":"400ms","Current":"2mA-500mA Optional","Signal Input Range":"\u2264 \u00b1 10V"}}