0 3 mpa water quality sensor

{"cid":"91188394","title":"KNA500 Nitrate Ion 0.3 Mpa Water Quality Sensor For Fishery 4-20mA 485 signal output","imgUrl":"https:\/\/img.ismap.com\/nimg\/a0\/6b\/d032c8b3241aa87dc2c671d2e0c2-200x200-1.jpg","attrs":{"Price":"$0-$2000","Brand Name":"kacise","Model Number":"KNA500","Minimum Order Quantity":"0-100","Delivery Time":"10-15 days","Certification":"CE,FDA","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"100","Packaging Details":"Common package or custom package","Measuring range":"0.1-3.000mg\/L (extensible), temperature 0-50\u2103","slope":"57\u00b12 mv\/p NO3 - ions","response time":"30s(in 62mg\/L NO3 solution)","stability":"\u00b10.3mv(30 min),\u00b11mv(24h)","Interference ions":"CL\/NO3=100 NO2\/NO3=10 generates an error of 10% in the above proportion","PH":"3-10","temperature":"0 to 40 \u2103","Internal resistance":"<1Mohm","Pressure range":"0.3 Mpa or less","Sensitive film":"Organic ion exchange membrane, in a special solvent, and evenly distributed in PVC","Shell material":"Grey plastic","size":"100mm long, 12mm diameter (other specifications can be customized)"}}

{"cid":"91223304","title":"Graphite 4 Pole 500000\u03bcS\/Cm Industrial Conductivity Sensor For Water Quality","imgUrl":"https:\/\/img.ismap.com\/nimg\/05\/75\/0d7c1dd7db7c6d61aefb44734bf6-200x200-1.jpg","attrs":{"Price":"USD50-500","Brand Name":"JUGE","Model Number":"AG3740PC","Minimum Order Quantity":"1 Unit","Delivery Time":"5-8 working days","Place of Origin":"Nanjing, China","Certification":"IOS9001, CE","Packaging Details":"Neutral carton","Payment Terms":"Online order,T\/T","Supply Ability":"100 Unit\/Week","Conductivity Range":"10~500000\u03bcS\/cm","Electrode Mode":"4-pole","Electrode Constant":"K\u22480.5","Liquid Junction Material":"Graphite","Temperature Range":"0~60\u2103","Pressure Rating":"0~0.6MPa","Installation Interface":"NPT3\/4"}}