... batch control -CE,CQC,ISO9001 AI-808H Mass Flow Meter LCD Flow totalizerMain Features- Modularized structure compatible with AI series ... current signal- Functions:retransmission, high/low alarm of momentary flow, temperature and pressure, abnormal signal detecting, and communication- ... of over 20 years experience of industrial process control field. CE, UL, ISO9001 qualified, prompt delivery delviery ...