Specifications: 1.Accuracy: 1% 2.Interface: RS232 3.Repeatability: Better than 0.2% of reading 4.Signal output: 4~20mA,pulse,OCT etc 5.Medium Temperature: <160 Deg C 6.Communication: MODBUS,M-BUS,FUJI etc 7.Power Supply:90~220VAC and Built-in battery 8.Used in measurement of gas,steam,water ect 9.High quality Applicatins: Water; sea water; Dirty water; Oil ; Alcohol; All signal liquid, Pharmaceutical;Food ad beverage; We are KaiFeng Qingtianweiye Flow Instrument Co.,Ltd,If you want to know more details,please contact me at any time ,looking forward to hearing from you .