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A deadweight tester is a calibration standard that uses the principle of a pressure balance to calibrate pressure measuring instruments. Deadweight testers use calibrated weights to apply known pressures to a device under test for a simple and cost-effective solution that covers a wide range of pressure calibrations.
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 so called primary standards [citation needed] which means that the pressure measured by a deadweight tester is defined through other ...
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Our testers are engineered to offer user-friendly, safe operation, in the field, or in a lab. Both pneumatic and hydraulic dead weight testers are available. Click here for a comparison of our pressure products. PK II Deadweight Tester. ± 0.015% of reading; to 30 psi / 2 bar This easy-to-use primary standard provides reliable and accurate ...
E-DWT-H is an electronic calibrator designed to replace mechanical, piston-cylinder and weight based deadweight testers. It’s a lighter, easier-to-use deadweight tester alternative that is at home in the lab or instrument shop, as well as in the field performing in-situ calibrations and tests. This complete hydraulic pressure calibration ...
Oct 6, 2016 · Dead weight testers are a piston-cylinder type measuring device. As primary standards, they are the most accurate instruments for the calibration of electronic or mechanical pressure measuring instruments. They work in accordance with the basic principle that P= F/A, where the pressure (P) acts on a known area of a sealed piston (A), generating ...
Apr 20, 2021 · Dead Weight Testers come with a calibrator unit and can detect all ambient parameters and make real-time accuracy changes. The essential advantage of using a Dead Weight Tester instrument is that it helps to precisely control and measure an instrument’s pressure.
To increase pressure in a hydraulic deadweight tester a priming pump is used. Fluke Calibration P3100 and P3200 Series Deadweight Testers have a priming pump included standard in the device. The priming pump can also be used to remove gas from the system. For low gas pressures, the pressure is generated using a hand pump.
