Answer / earnest

pressure calibrator[druke]

Answer / vijay vaidya

pressure calibrator or dead weight tester

Answer / biswarup das

Answer 1 and 2 is absolutely right .
another way is to use comparison tester.

Answer / visakh ctjv

druke and multimeter

Answer / g.paden

druck pressure calibrator and dead weight tester

Answer / s.arun raja

For Pressure Switch Calibration Should be need Comparison
Pressure Test Pump and We Can't use Dead Weight Pressure
Guage Tester , Because Pressure Switch We Should Calibrate
Raising or falling Method and for Nc/No Checking need
Continuity Tester or multimeter.

Answer / b0nz0

Referring to the previous answers, a deadweight tester
should not be used as it is only accurate when the weights
are 'floating'.
It is much better to use a Druck or comparator as the
pressure can be varied above and below the setpoint.

Answer / samir patel

any type of dead weight tester,multifunction pressure
calibrator,multimeter

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calibration of instruments.

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