SUP-DO7016 Optical Dissolved Oxygen Sensor imachokera ku luminescent optical technology.The Optical Dissolved Oxygen sensor imavomerezedwa ndi ASTM International Method D888-05 Features Range: 0.00 mpaka 20.00 mg / LResolution: 0.01Nthawi yoyankha: 90% yamtengo wapatali mu masekondi osachepera 60Mawonekedwe a Signal: Modbus RS-485 (standard) ndi SDI -12 (chosankha)Mphamvu:5 ~ 12 volts