... - mass, volume or length -batch control -CE,CQC,ISO9001 AI-808H Mass Flow Meter High-performance Intelligent Flow-integrating Instrument Main Features ... , 0~20mV, etc.; 0~10V if module I31 is installed on MIO socket.Linear current (external connect to precise shunt resist ... or install I4 module on MIO): 0~20mA, 4~20mA, etc.Linear resistance : 0~80ohm ...