spike 75mm 3 component geophone

{"cid":"91190354","title":"Spike 75mm 3 Component Geophone Seismic Survey Equipment","imgUrl":"https:\/\/img.ismap.com\/nimg\/6b\/ed\/f51dba6e084ca76de4e68e40a51c-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"EGL","Model Number":"3 C Geophone 4.5Hz","Minimum Order Quantity":"1 sets","Delivery Time":"5-8 work days","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"T\/T, Western Union,PayPal","Supply Ability":"100sets\/month","Packaging Details":"Carton","Natural Frequency":"geophone 4.5 hz","Geophone Case":"Waterproof Land Case","Damping":"0.6\u00b15%","sensitivity ( v\/m\/s )":"28.8 v\/m\/s \u00b15%","Coil resistance(\u03a9)":"375\u00b15%","Connector Type":"Split Spring Clips connector"}}