sm4 seismic geophone

{"cid":"91190354","title":"Single SM4 Seismic Geophone 10Hz Split Spring Connector OEM Service","imgUrl":"https:\/\/img.chinax.com\/nimg\/9a\/e1\/6ea57d6047bed859449eaa7e2928-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"EGL","Model Number":"Single SM4 Geophone 10Hz Vertical","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":"10000sets\/month","Packaging Details":"Carton","Natural Frequency":"10Hz\u00b15%","Geophone Case":"Vertical Waterproof Land Case","Spike":"75mm","Lead-in Cable":"1 M","Cable O.D":"4.6mm","Connector Type":"Split Spring connector"}}

{"cid":"91217338","title":"Underground Seismic Geophone Sensor 3C Borehole Geophone Electronic","imgUrl":"https:\/\/img.chinax.com\/nimg\/a2\/75\/51aa431027cb7f04336a0ebbf1a3-200x200-1.jpg","attrs":{"Price":"Negotiated","Brand Name":"Gold","Model Number":"GDJ-DJ","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":"Borehole Seismic Geophone Sensor","Frequency":"4HZ-100HZ optional","Power":"Electronic","Working Mini Diameter":"\u03a670-\u03c6120","Usage":"Geology and underground structure detect","Temperature Range":"25~55\u2103","Compatible":"Highly and compatible with international","Diameter(mm)":"\u03c655","Accessories":"divisible sale acceptable"}}