4 5hz 3 component geophone

{"cid":"91190354","title":"4.5Hz 3 Component Geophone \/ Three Component String Corrosion Resistance","imgUrl":"https:\/\/img.chinax.com\/nimg\/2b\/22\/c13c526fb64dc09f2647dfa78f5f-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":"4.5Hz\u00b110%","Geophone Case":"Waterproof Land Case","Moving Mass ( g )":"11.3g","sensitivity ( v\/m\/s )":"28.8 v\/m\/s \u00b15%","Coil resistance(\u03a9)":"375\u00b15%","Connector Type":"without connector"}}