4 5hz geophone seismic sensor

{"cid":"91190354","title":"4.5hz Geophone Seismic Sensor Moving Coil Geophone 375 Ohm","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/4f\/b4\/d20c29490783c6150f569b2f9332-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"EGL","Model Number":"EG-4.5-II","Minimum Order Quantity":"1 pcs","Delivery Time":"10 work days","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"T\/T, PayPal\uff0cCredit card, Western Union","Supply Ability":"1000 pcs\/month","Packaging Details":"Carton","Name":"4.5hz Geophone Seismic Sensor","Sensitivity":"28.8 V\/m\/s","Coil Resistance":"375\u03a9","Direction":"Vertical","Diameter":"25.4 mm","Type":"Moving Coil Geophone"}}

{"cid":"91217338","title":"Seismic Vertical Geophone 4.5Hz Horizontal Geophone Seismic Sensors","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/de\/52\/37d40fa917017ec7dfd92758f011-200x200-1.jpg","attrs":{"Price":"Negotiated","Brand Name":"Gold","Model Number":"GDJ","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":"500 Set\/Sets per Week","Packaging Details":"Carton","Product Name":"Horizontal Seismic Sensors","Color":"various","Usage":"Geology and underground structure detect","Power":"Electronic","Temperature Range":"-40\u2103-80\u2103","Waterproof Range":"10m","Accessories":"divisible sale acceptable","Frequency":"4.5Hz","Compatible":"Highly and compatible with international"}}