Product category : Electronic testers

Ravika instruments offers a wide range of such testers used in calibration of pressure gauges and other sensing, transmitting and recording pressure instruments. Main component of the tester is a screw pump to generate pressure in the circuit of adequate capacity operated by a spoked handle, which permits easy and accurate setting of pressure. Free piston assembly of special steel, hardened, tempered, ground and lapped to accurate size and very fine surface finish provides true floating action. Set of weights directly marked in convenient values of pressure and easily stacked on the weight carrier, which is screwed on to the free piston is incorporated. It is mounted on a sturdy base plaste provided with levelling screws. The calibration is done against master dead weight pressure gauge tester certified and characterized by national physical laboratory, new delhi. The testers are available up to 1000 kgf/cm² pressure range in various units of calibration.