Hydraulic Pressure Calibrator

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Hydraulic Pressure Calibrator

Hydraulic pressure calibrators can be used to calibrate pressure products that are normally exposed to or can tolerate a hydraulic pressure medium. Hydraulic pressure calibrators are primarily used in high-pressure applications generally above about 6000 psi (400 bar) but can also be used at lower pressures. Typically, Hydraulic pressure Calibrators are used to calibrate pressure measuring instruments that in their day to day operation are already exposed to hydraulic media. At high pressures, a gas can store a lot of energy because gasses are compressible and any sudden release of a compressed gas can be dangerous. Hydraulic media are not compressible and store much less energy at these high pressures, therefore, when hydraulic media are acceptable, it is safer to calibrate high pressure measuring devices using a hydraulic pressure calibrator. The instruments used may be different than those used with in pneumatic calibration but there are instruments that can tolerate boty types of media.

Hydraulic Pressure Calibrators come in a variety of forms (deadweight testers, automated controllers and indicators), some can generate their own pressure and some require a regulated pressure source. In either case, a hydraulic pressure calibrator is simply a device used to measure hydraulic pressure at a sufficient accuracy (usually 4 times better than the device being calibrated). The Mensor, WIKA and DH Budenberg brands all have instruments that are used as hydraulic pressure calibrators.

Mensor, DH Budenberg and WIKA Hydraulic Pressure Calibrators

The Mensor CPC8000-H Hydraulic Pressure Controller is a fully automated hydraulic pressure calibrator that can generate and measure pressures up to 23,000 psi. The DH Budenberg industrial deadweight testers, CPB3800, CPB3800HP, CPB5000, CPB5800, CPB5000HP, and CPB5600DP; the DH Budenberg laboratory deadweight testers CPB6000, CPB8000 and the CPD8000 digital pressure balance are all compatible with hydraulic media. In addition, the WIKA and Mensor brands have precision pressure indicators and hand-held calibrators and even transducers which when coupled with a hydraulic pressure source can be used as hydraulic pressure calibrators.

Hydraulic pressure calibration is possible to ranges up to 116,000 psi.

CPC8000-H Hydraulic Pressure Controller / Calibrator

The CPC8000-H offers the ultimate value in a hydraulic pressure calibrator. It is designed to automatacally  calibrate hydraulic pressure measuring devices at high accuracy with speed and efficiency.

Hydraulic Pressure Calibrator Features:

  • Pressure range to 23,000 psi
  • Accuracy to 0.01% FS
  • Hydraulic oil or water media
  • 0.005% control stability

Hydraulic Pressure Calibrator Applications:

  • Transmitter and pressure gauge manufacturers
  • Service and calibration companies
  • Industry laboratories, workshops and production lines
  • R&D laboratories
  • National standards institutes

Deadweight Testers as Hydraulic Pressure Calibrators

Deadweight testers have traditionally been the go-to instrument for hydraulic pressure calibration. the Deadweight testers from DH Budenberg come in industrial and laboratory varieties and most use a hydraulic medium to create a pressure using a piston cylinder mechanism.

Deadweight Testers as Hydraulic Pressure Calibrators Features:

  • Direct creation and measurement of hydraulic pressure using the definition of pressure P=F/A
  • Ranges up to 116,000 psi
  • Percent of Reading Accuracy
  • No power required

Deadweight Testers as Hydraulic Pressure Calibrators Applications:

  • Laboratory and Industrial
  • Remote calibration without power

Transducers or Indicators as Hydraulic Pressure Calibrators

Pressure transducers and pressure indicators can be used as hydraulic pressure calibrators or test standards as long as there is a source of pressure. Depending on the pressure range all Mensor transducers and indicators are compatible with hydraulic media.

Features:

  • Compact design
  • Remote communication, Ethernet, IEEE-488, RS232, RS485, USB

Applications:

  • Calibration benches.
  • Remote pressure sensing
  • Transfer standards

Contact us to learn more about hydraulic pressure calibrators.