... control -CE,CQC,ISO9001 AI-808H Mass Flow Meter LCD Flow totalizerMain Features- Modularized structure compatible with AI series ... , voltage, or current signal- Functions:retransmission, high/low alarm of momentary flow, temperature and pressure, abnormal signal detecting, ... . Power consumption: ≤5W or ≤0.8W if no alarm and outputIsolation withstanding voltage :between power, relay contact or ...