water quality sensor with 0 20mg l range

{"cid":"91206681","title":"Optical Dissolved Oxygen Sensor 4 - 20ma Output 10 Meter Cable Water Quality Sensor","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/9b\/5e72f6cae272266f372b14b1e951-200x200-1.jpg","attrs":{"Price":"$280.00 - $400.00\/ Piece","Brand Name":"Desun Uniwill","Model Number":"DS-380","Minimum Order Quantity":"0~100 pcs","Delivery Time":"7~ 15 working days","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Supply Ability":"0~1000 pcs","Packaging Details":"Carton packaging","Model":"DS380","Principle":"Fluorescence analysis method","Measuring range":"0~20mg\/L","Response time":"3 seconds","Accuracy":"1%","Protection level":"IP68","Installation":"Submersible","Temperature sensor":"NTC","Temperature range":"0~50\u00b0C","Temperature accuracy":"\u00b10.2\u00b0C","Output":"Support RS-485, MODBUS protocol","Power supply":"DC 6~12V, current <50mA","Size":"\u03a626*155 mm","Probe cable length":"Default 5 m","Fluorescent cap life":"1 year","Maximum working pressure":"3bar","Housing material":"SS316\/Titanium alloy"}}

{"cid":"91188394","title":"Fluorescence Dissolved Oxygen Sensor IP68 0-20mg\/L Measuring Range","imgUrl":"https:\/\/img.chinax.com\/nimg\/23\/f6\/a9bcb243e3648b47dc2e3073c9c7-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"KACISE","Model Number":"KBU601","Minimum Order Quantity":"0-100","Delivery Time":"5 working days after payment","Certification":"CE,ISO","Place of Origin":"Shaanxi, China (Mainland)","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"100","Packaging Details":"carton or customers requests available","Output":"Support RS-485, MODBUS protocol","Measuring range":"0~20mg\/L","Response time":"10 sec","Protection level":"IP68","temperature range":"0 ~ 50\u2103","accurate":"1%"}}

{"cid":"91198828","title":"LH-DO59 Digital 12vdc Dissolved Oxygen Sensor Measuring Range 0~20mg\/L 0~ 200.0%","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/13\/f77e32df902995fd7ab2fdf02ea6-200x200-1.jpg","attrs":{"Brand Name":"HiYi","Model Number":"LH-DO59","Minimum Order Quantity":"1","Delivery Time":"15 work days","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Packaging Details":"paper case","Working condition":"0 ~ 40\u00b0C","Temperature element":"NTC10K","Response time":"\u226490s","Cable":"Standard 5 meters (OEM available)","Storage temperature":"0 ~ 50\u00b0C (Dry without electrolyte)","Power supply":"12-24VDC"}}