6
Verifying and calibrating measuring system
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6
Verifying and calibrating measuring
system
The device’s measuring system should be verified and calibrated at least ev-
ery three months.
Verify and calibrate the device in these cases as well:
• Upon initial commissioning
• Before beginning a measurement campaign
Resources needed
The following resources are needed:
• Calibration dust MonoDust 1500
• Fidas calibration certificate
• Plug DN 16 mm to seal the aerosol inlet
• Plug DN 12 mm to seal the IADS inlet
• Plastic hose, approx. 30 cm long
• External flow meter, set to SATP conditions (25°C, 1013 hPa)
• HEPA* filter that fits IADS tube inlet
* HEPA = High Efficiency Particular Air