pm 2 proton magnetometer

{"cid":"91217338","title":"Mineral Magnetic Survey Instruments Handheld Proton Magnetometer","imgUrl":"https:\/\/img.chinax.com\/nimg\/57\/ac\/650bd8d4081a8876fdfce448d14f-200x200-1.jpg","attrs":{"Price":"Ngotiated","Brand Name":"Gold","Model Number":"WCZ-3","Minimum Order Quantity":"1 set","Delivery Time":"5-8 working days","Place of Origin":"Chongqing, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1 set per 5 days","Packaging Details":"Carton","Product Name":"Proton Magnetometer","Accuracy":"0.5\/ 1nT","Gradient permitted":"5000 \/ 8000 Nt\/m","Usage":"Geomagnetic field exploration","Interface":"RS-232C standard serial port","Dimension":"206*85*155mm, 1.5kg","Measuring range":"20000nT~100000nT","Resolution":"0.1 \/ 0.05nT"}}

{"cid":"91167638","title":"High Accuracy Lowest Price Minerals Survey And Exploration Proton Megnetometer","imgUrl":"https:\/\/img.chinax.com\/nimg\/80\/ed\/75a300c844fb70d2bfa82cb0b01d-200x200-1.jpg","attrs":{"Price":"1-10 USD\/se","Model Number":"WCZ-3","Minimum Order Quantity":"1 set","Delivery Time":"stock","Place of Origin":"Chongqing","Certification":"ISO9001-2008","Packaging Details":"box","Payment Terms":"T\/T or L\/C","Supply Ability":"1000 sets \/year","Use":"Ore Mining","Type":"Proton megenetometr instrument","Machine Type":"instrument","Material":"steel","Processing Type":"assembly"}}