Ashe controls offers flow totalisers and computers, series mx -450. Features: micro-con-troller based; universal input; current [two-wire/four-wire] or frequency; fully configurable with membrane switch pad; 8-digit counter for totalized [integrated] value [electro-mechanical counter also available]. Non-volatile memory [eeprom based]; password protected; two relay outputs [programmable] for batch and rate; programmable parameters like zero/span settings, rate and batch control settings, density, time scale [sec, min, hour, day], hysterisis; compact rugged and reliable execution; explosion-proof execution available; flow computations as per application.