Types:
Access control, Bay/gantry controller, Batteries, Card readers, CMOS, Combinators, Converters, Custody-transfer (Gas & Liquid), Digital meters, Electronic batch preset, Explosion-proof transmitters, Flow rate controller, Grounding and overfill, Inverters, Net computation, PID controller, PLCs, Printers, Pulse generators, Relays, RTUs, Solar Powered Systems, Supervisory PC, Transmitters, Totalizers