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| Pressure
Accredited metrological sector
Sector Manager: Marco Leone
Como Campus
Via Anzani, 22
22100 - Como
Telefono: 02.2399.7302
Mail: marco.leone@polimi.it
The sector performs the calibration by comparing pressure gauges in the measuring range from 1.3x105 Pa to 1x10-4 Pa. The types of calibratable meters are Pirani, Penning, Thermocouple, Bayard - Alpert, Convection, Bourdon, capacitive membrane, piezo and resistive meters.
| Instrument | Measurand | Additional parameters | Measuring range | Uncertainty1 | Method/Procedure |
| Pressure transducers | Pressure | Absolute condition | from 1 kPa to 5 KPa | 1•10-2 • p | Internal method. Calibration by direct comparison for sample pressure |
| from 5kPa to 10 KPa | 4•10-3 • p | ||||
| from 10 kPa to 130 KPa | 2•10-3 • p | ||||
| Vacuum gauges | Pressure | Gaseous medium | from 10-4 Pa to 10-2 Pa | 4•10-2 • p | Internal method. Calibration by direct comparison for sample pressure |
| from 10-2 Pa to 0,1 Pa | 2•10-2 • p | ||||
| from 0,1 Pa to 1 Pa | 3•10-2 • p | ||||
| from 1 Pa to 10 Pa | 1•10-2 • p | ||||
| from 10 Pa to 1 KPa | 1•10-2 • p | ||||
| Certificate delivery time: 20 working days from the execution of the measurements | |||||
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1) p indicates the extended pressure in Pascal 2) If the instrument to be calibrated requires a particular set-up for carrying out the measurements, or the use of fittings compatible with the flanging standard, the cost of calibration will be higher. |
