20mg l do controller sensor

{"cid":"91206681","title":"Handheld Controller do Meter For Aquaculture Optical Titanium Alloy","imgUrl":"https:\/\/img.chinax.com\/nimg\/f2\/d8\/813af92104c9f1eec41cc8247e19-200x200-1.jpg","attrs":{"Price":"$425.00 - $525.00","Brand Name":"Desun Uniwill","Model Number":"DYS-1","Minimum Order Quantity":"0~100 pcs","Delivery Time":"7~ 15 working days","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Supply Ability":"0~1000 pcs","Packaging Details":"Carton packaging","Measuring Distance":"3m~5m","Sensor Material":"SS316 or Titanium alloy","DO Range":"0~20mg\/L or 0~200%","DO Accuracy":"1%","Temp. Range":"0~40\u2103","Temp. Accuracy":"\u00b10.2\u2103","Signal Output":"RS-485"}}

{"cid":"91223952","title":"Endress Hauser Oxymax COS41 Dissolved Oxygen Sensor 0.05-20mg\/l","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/42\/ba23ae7ef3064f4a7a3ab26ee2ea-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"Endress+Hauser","Model Number":"COS41-2F","Minimum Order Quantity":"1pc","Delivery Time":"12-14weeks","Certification":"CE","Place of Origin":"Germany","Payment Terms":"T\/T","Supply Ability":"100pcs per month","Packaging Details":"standard carton packing","Measurement range":"0,05 - 20mg\/l","Process temperature":"max. 50\u00b0C (122\u00b0F)","Process pressure":"max. 10bar (145psi)","Head":"Thread G1, NPT3\/4; fixed cable","Net weight":"1.086 Kilogram","Country of origin":"DE"}}