... length -batch control -CE,CQC,ISO9001 AI-808H Mass Flow Meter Main 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- ... accumulation value and 4-digits momentary process value- batch controller, 4-bit accumulator ,12-bit accumulator for total sum ...