MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Read differential pressure at top of piston; accurate within 1/2 psi at system pressures to 300 psi; no subtraction calculation required; multiple calibrations-front face, psi and kpa - back face, bar and kg/cm2; rugged construction, suitable for vehicle or stationary use; operating pressure is 300 psi; ultra violet light protection