- dpc-series : dual , single pressure control, Switch & gauge type spdt - mpc-series : dual, single , oil pressure Control, switch & gauge type spst - pressure range: low -1-50kgf/cm2g, High -1-50kgf/cm2g, High differential 3 fixed kgf/cm2g, Low differential 0.1kgf/cm2g, Reset low auto, reset high auto/manual, Pressure connection 7/16-20 unf (1/4 in flare ), mounting any position, Voltage 12/24/240, includes nema 1 enclosure, Nonconductive cover r-12, r-22, r-134a and R-404.410a.407.Co2 commercial refrigeration and air conditioning - rapid trip (pressure measurement speed: 1:1) - built-in gas temperature indicator for each coolant - pressure display in kgf/cm2, mpa, bar, and psig - built-in oil alarm delay timer - built-in rs-485 communication function program (optional)