low cost cod sensor for rivers

{"cid":"91188394","title":"KWS-100 IP68 Low Cost Cod Meter COD Sensor For Water Monitoring RS485 Output","imgUrl":"https:\/\/img.chinax.com\/nimg\/15\/3c\/862ed1a543e8ac84be23e9efa89a-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Kacise","Model Number":"KWS-100","Minimum Order Quantity":"1","Delivery Time":"5-8 work days","Place of Origin":"China","Payment Terms":"L\/C, D\/A, T\/T, D\/P, Western Union, MoneyGram","Supply Ability":"100+","Packaging Details":"carton","Certification":"CE","Range":"0~1500 mg\/L","Resolution":"0.01mg\/L COD","Ip Grade":"IP68","Material":"POM and 316L","Operating Temperature":"5~45\u2103","Output":"RS485, Modbus","Power Supply":"DC12V \u00b15%, current<50mA","Sensor Diameter":"54mm","Sensor Length":"310.5mm","Cable Length":"Standard 10m","Calibration":"Support one point and two-points calibration","Max. Pressure":"1 bar"}}

{"cid":"91223432","title":"Customizable Liquid Level Transmitter For River And Reservoir Monitoring","imgUrl":"https:\/\/img.chinax.com\/nimg\/ca\/d6\/a5a3da2d6ad091a9312521a48c43-200x200-1.jpg","attrs":{"Price":"$37.80 - $40.80\/pieces","Brand Name":"SongFast","Minimum Order Quantity":"500pcs","Delivery Time":"30-day lead time","Place of Origin":"Dongguan,China","Certification":"ISO 9001, IATF 16949","Packaging Details":"According to customer requirements","Payment Terms":"T\/T","Supply Ability":"10000pcs\/month","Pressure Type":"Gauge Pressure, Absolute Pressure","Accuracy":"\u2264 \u00b10.5%F.S(Standard)\uff1b \u2264 \u00b10.25%F.S\uff1bCustomizable","Operating Temperature":"-30\u2103~85\u2103","Storage Temperature":"-30\u2103~85\u2103","Compensation Temperature":"0~60\u2103","Electrical Connection":"Straight Connection","Housing Materials":"SUS304 Stainless Steel (Standard), 316L Stainless Steel (Optional), Customizable","Sensor Materials":"Diffused Silicon (Standard)","O-ring Materials":"NBR (Standard), PTFE\/CR\/EPDM (Optional)","Cable Materials":"RVVP5\u00d70.35mm\u00b2, \u03c6D7.5mm","Response Time":"\u226410ms","Protection Rating":"IP68","Measuring Medium":"Compatible with SUS304 or 316L stainless steel","Zero Temperature Drift":"0.05%FS\/\u2103( \u2264100kPa\uff09","Long-term Stability":"0.2%F.S\u00b10.05%\/year","Overload Pressure":"150%F.S."}}

{"cid":"91187029","title":"River Water Mobile Integrated Sewage Treatment Equipment","imgUrl":"https:\/\/img.chinax.com\/nimg\/12\/9f\/046bb62d4db9d3b945441af41973-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"HJ","Model Number":"Customized","Minimum Order Quantity":"1 Unit\/Units","Delivery Time":"30-40days","Certification":"ISO 9001\uff0cISO45001\uff0cISO14001","Place of Origin":"Guangdong, China (Mainland)","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1000 sets per year","Packaging Details":"Carton or Wooden case","Warranty":"Non-human causes equipment failure, one year warranty","Product water":"Online support","Technique":"A\u00b2O process","Raw water":"River water","High Recovery rate:":"50%-75%","Controlling":"On-line or realtime\/Omron PLC Control"}}