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Calibrate pressure

E+E accredited laboratory performs calibrations of measuring devices for absolute, relative and differential pressure in the ranges:

 

  • Absolute pressure: 0.1...101 bar (1.45...1465 psi)
  • Relative pressure: -0.9...100 bar (-13...1450 psi)
  • Differential pressure: 0...9 bar (0...131 psi)

 

 

 

Scope of Accreditation E+E Calibration Laboratory

CalibrationCalibration objectMeasurement conditionsMeasurement rangeCalibration uncertainty
AA 0608LabAbsolute pressure sensor23 °C ±3 °C0.1...1 bar
1...21 bar
21...101 bar		0.00028 bar
0.01 % of m.v. + 0.00018 bar
0.011 % of m.v. + 0.00006 bar
AA 0608LabRelative pressure sensor23 °C ±3 °C-0.9...0 bar
0...<20 bar
20...100 bar		0.00028 bar
0.01 % of m.v. + 0.00028 bar
0.011 % of m.v. + 0.00016 bar
AA 0608LabDifferential pressure sensor23 °C ±3 °C0...0,3 bar
0.3...9 bar		0.19 % of m.v. + 0.00005 bar
0.16 % of m.v. + 0.00006 bar
AA 0608LabDifferential pressure sensor23 °C ±3 °C0.05...0.3 bar
-0.05...0.05 bar		0.0000072 % of m.v. + 0.000026 bar
0.000000722 % of m.v. + 0.000006 bar

 

Calibration procedure

A pressure calibrator is used for the calibration of absolute and relative pressure meters.
The generator consists of a pressure regulating unit, as well as two quartz relative pressure sensors for reference, and a quartz barometer.

The pressure drop of a gas stream is measured at a needle valve for the calibration of differential pressures. 

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