The DIMES sensor units is integrated into a special valve with a linear electrode. This replaces the standard system valve. The built-in sensors monitor ambient temperature and the capacitance differential of the gas density between two electrodes in the dip tube.

An integrated microchip calculates the exact cylinder contents based on the known densities of CO2 gas at different ambient temperatures. You input the cylinder volume and 100% fill level during a simple one-time configuration when the cylinder is filled.

If the contents would ever fall below a pre-set level, such as in the event of a leak, a warning signal will sound via the control box. A warning signal is also sent when the system discharges.