Secondary Pressure Standards are instruments that are used to calibrate other pressure instruments, but relies on a more stable primary pressure standard such as a dead weight tester to check that the required level of accuracy is maintained.
For example an electronic pressure calibrator that uses a pressure transducer inside would be classed as a secondary pressure standard because the pressure transducer output characteristics will change over time and use.
Pressure calibration products
DPC Low Range Pressure Controller and Calibrator
10 bar calibration reference pressure sensor
Theme park ride pneumatic controls digital pressure test gauge
PGS40 Mid Pressure Calibration Hand Pump
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Calibration Related Terms
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