1700m s navigational echo sounder

{"cid":"91197283","title":"China Made HD-570 Metal Enclosure 280m 2GB Single Beam Echo Sounder High-pixel Full-metal Enclosure Cost Effective","imgUrl":"https:\/\/img.chinax.com\/nimg\/b1\/2c\/74205f711c7db478f5efec177411-200x200-1.jpg","attrs":{"Brand Name":"THUNDSEA","Model Number":"HD-570","Minimum Order Quantity":"one set","Delivery Time":"15 Days","Certification":"CCS","Place of Origin":"Qingdao","Payment Terms":"L\/C, T\/T","Supply Ability":"30 set per month","Packaging Details":"carton box","Working frequency":"200kHz","Maximum transmit power":"800W","Range":"0.15m~280m","Accuracy":"\u00b110mm\uff0b0.1%h,resolving power 25px","Draft range":"0~15m","Sound Speed Range":"1370~1700m\/s,resolving power 1m\/s","CPU":"1.92GHz,dual core(Win7 system)","Memory":"2GB","Maximum rate of water depth sampling":"30Hz","Hard disk":"32G Solid State Hard Disk","Display":"17 inches,1280*1024@60Hz resolution","External port":"RS-232*3,USB*3,power interface*1,transducer interface*1","VGA":"Support","Power Supply":"10~30V DC\/220V AC","Working temperature":"\uff0d10\u2103~60\u2103","Weight":"9.5kg","Outline size":"380\u00d7295\u00d7118mm"}}

{"cid":"91202321","title":"Electronics Maritime Communication Navigation Instrument Gp - 170","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/ea\/667f8ff7e026a77e2fa7c75ef294-200x200-1.jpg","attrs":{"Price":"usd1200 piece\/pieces","Brand Name":"FURUNO","Model Number":"GP-170","Minimum Order Quantity":"1","Delivery Time":"3-5 work days","Certification":"CCC.CE","Place of Origin":"Japan","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"100","Packaging Details":"carton","Power Usage":"12-24 VDC","Positioning accuracy":"5M\/10m(RMS)","Range of speed":"0.25-192.0NM","Type":"GPS"}}

{"cid":"91224893","title":"A12 Pro Professional Hydrographic USV","imgUrl":"https:\/\/img.chinax.com\/nimg\/89\/72\/c317285cfb7f528aed6937320fd5-200x200-1.jpg","attrs":{"Price":"contact us or Negotiation","Model Number":"A12 Pro","Minimum Order Quantity":"1","Delivery Time":"20-30 works days","Size(mm)":"1100*580*320","Max Speed":"7m\/s","Place of Origin":"China","Payment Terms":"T\/T","Weight":"14KG","Avoidance":"Video-aid manual avoidance or sonar(optional)","Supply Ability":"20 sets per Month","Duration":"6 hours on 2m\/s speed, with removable battery"}}