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The newly formed company DH-Budenberg Group has since expanded the calibration equipment produced, to a wide range of primary standard & premium industrial pressure calibration equipment, which now includes: automated primary pressure standards, manual primary standards, differential primary standards, automatic pressure controllers, hydraulic ...
A dead weight tester (DWT) is a calibration standard method that uses a piston cylinder on which a load is placed to make an equilibrium with an applied pressure underneath the piston. Deadweight testers are secondary standards which means that the pressure measured by a deadweight tester is defined through other quantities: length, mass and ...
Small pressure pan application. A third test method to determine if ductwork is leaking to the outside is to use a pressure pan, which is a register cover with a pressure tap for a hose connection. With the house pressurized (or depressurized) to 50 Pa (-50 Pa) using a blower door, a pressure gauge is attached to the pressure pan by means of a ...
This product enjoyed a near 50 year life span before finally being rendered obsolete by electronic measurement methods. The first reference to a Norbar electronic torque analyser is dated 1967. The display unit, incorporating an analogue gauge similar to a Voltmeter , was attached by a cable to a separate, strain gauged torque transducer .
Strain-Gauge: Strain gauge based pressure sensors also use a pressure sensitive element where metal strain gauges are glued on or thin-film gauges are applied on by sputtering. This measuring element can either be a diaphragm or for metal foil gauges measuring bodies in can-type can also be used.
An open (differential) mercury pressure gauge. A mercury pressure gauge is a type of manometer using mercury as the working fluid. The most basic form of this instrument is a U-shaped glass tube filled with mercury. More complex versions deal with very high pressure or have better means of filling with mercury.
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