four channels acoustic emission detector board

{"cid":"91201424","title":"Four Channels Acoustic Emission Equipment with Internet of Things system","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8e\/4b\/133cbb1ce6f60b414aa6f2aec9ed-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"AE","Model Number":"SAEU3H","Minimum Order Quantity":"1Piece","Delivery Time":"10 days","Place of Origin":"GUANGDONG,CHINA","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Supply Ability":"30 Piece\/pieces per month","Packaging Details":"Outside packing Size(L*W*H mm):270*230*70 G.W.(KG): 1.2kg Packing way: 1pcs\/plastic bag per unit,carton for outside packing","Certification":"CE","Warranty:":"1 year","Model Number:":"SAEU3H","Power:":"Electronic","Channel Quantity:":"Four Channels","Acquisition accuracy:":"16- bit","Storage capacity of acquisition card:":"1 GB for each acquisition card","Noise of main machine:":"<15.7dB (no-load)","Dynamic range:":"84.3dB"}}

{"cid":"90021558","title":"FFT Spectrum RMS ASL Dual Channel Wave Acoustic Emission Valve Leakage Detector","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8b\/aa\/927f438abe39e520d9a480a7cacf-200x200-1.jpg","attrs":{"Brand Name":"HUATEC","Model Number":"HAL-3000","Minimum Order Quantity":"1","Certification":"CE ISO GOST","Place of Origin":"China","Supply Ability":"50 per months","Packaging Details":"export standard carton package","Material":"ABS","Hardware bandwidth":"10kHz ~ 400kHz","Number of channels":"Dual-channel synchronous acquisition","Optional gain":"20dB 40dB 60dB","Optional sampling rate":"2KB 4KB 8KB 32KB","Dual-channel synchronization":"Below 0.5\u03bcs","Filter range":"10kHz ~ 400kHz","Power supply":"Built-in lithium battery, the regular continuous working time is about 8 hours","Host normal operating temperature range":"-10~+50\u2103","Host weight":"0.8kg","Host size":"194mm\u00d7129.5mm\u00d745mm","Power adapter":"DC 5V\/4A charging Cable","Data cable":"miniUSB data cable"}}