rock mass testing ground vibration analyzer

{"cid":"91217338","title":"Ground Vibration Analyzer Seismic Data Logger Rock Mass Testing Equipment","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/84\/047119183ee4a84dd5e52168dbe1-200x200-1.jpg","attrs":{"Price":"Negotiated","Brand Name":"Gold","Model Number":"WZG-24C","Minimum Order Quantity":"1 set","Delivery Time":"5-8 working days","Certification":"ISO9001 CCC CE","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":"Engineering Seismograph","Application":"borehole seismic receiver","Channels":"24","OEM\/ODM":"Acceptable","Depth":"50m to 100m","Frequency":"38hz","Diameter":"50\/40mm","Arm":"Arm open geophone","Material":"Steel"}}

{"cid":"90021558","title":"Ground \/ Structure Vibration Analyzer Seamless Low Frequency Measurement","imgUrl":"https:\/\/img.chinax.com\/nimg\/e7\/92\/6bb2231de2abf1e012cc568a8ca9-200x200-1.jpg","attrs":{"Brand Name":"HUATEC","Model Number":"HGS-936L","Minimum Order Quantity":"1pcs","Delivery Time":"1-4days","Certification":"ISO, CE, GOST","Place of Origin":"Beijing","Payment Terms":"T\/T, Paypal, Western Union","Supply Ability":"500pcs per month","Packaging Details":"Standard export package","Frequency range":"1Hz-200Hz","Spectrum":"400 lines spectrum, 3200 lines after zoom","Operation temperature range":"0 - 50C","Acceleration":"1m\/s2 \/ 0.1mm\/s2","Amplitude Accuracy":"+ 5%","Velocity":"1mm\/s \/ 0.1 \u00b5m\/s","Display":"10\u201dtouch screen display for integrated version"}}