Pressure Gauge Calibration Using Dead Weight Tester

Pressure Gauge Calibration:

Pressure gauges are instruments used to quantify the pressure of fluid or gaseous materials by calculating the power they would apply at a condition of rest. There are an assortment of strategies for estimating force, which implies there are various kinds of pressure gauges.

• Process Pressure Gauges
• Commercial Pressure Gauges
• Industrial Pressure Gauges
• Low Pressure Gauges
• Seal Gauges
• High Precision Test Gauges
• Duplex Pressure Gauges and Differential Gauges
• Supreme Pressure Gauges

What is a Dead Weight Tester?

The dead weight tester device comprises of a chamber which is loaded with oil free pollutions and a cylinder – barrel blend is fitted over the chamber as appeared in outline. The best bit of the cylinder is appended with a stage to convey weights. A plunger with a handle has been given to shift the pressure of oil in the chamber. The pressure gauge to be tried is fitted at a proper plate.

The dead weight tester is fundamentally a pressure creating and pressure estimating gadget. It is utilized to align pressure gauges. The accompanying technique is received for aligning pressure gauges. alibration of pressure gauge implies presenting a precisely known example of pressure to the gauge under test and after that watching the reaction of the gauge. With a specific end goal to make this precisely known pressure, the accompanying advances are taken after.

Procedure for Calibrating a Pressure Gauge with

a Dead Weight Tester:

Utilizing a dead weight tester, pressure gauges are aligned through the utilization of known weights to the DWT’s cylinder, the cross-sectional zone of which is likewise known. This makes an example of known pressure, which is then acquainted with the pressure gauge being tried to watch its reaction.

Advantages:

It is simple in construction and easy to use.
It can be used to calibrate a wide range of pressure measuring devices.
Fluid pressure can be easily varied by adding weights or by changing the piston cylinder Combination.

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