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User Manual MAS-100 Regulus en.docx, Version: 4.0
13. ADJUSTMENT AND CALIBRATION OF
MAS-100 ISO
Hazard of wrong results
The anemometer is a high-precision measurement instrument sensitive to
draft currents and air turbulences. The anemometer and the air sampler shall
not be exposed to direct sunlight during calibration.
The measurement should take place in a room free from draft currents and
turbulences, including people walking by.
It is recommended to remain calmly seated in front of the anemometer during
this procedure to avoid air turbulences.
Hazard of wrong results
An air sampler must be re-adjusted and calibrated if the measured air flow is
out of the allowed tolerance band, or if the calibration expires.
Hazard of wrong results
Put a MAS-100 Family Calibration Disk with 85 mm diameter or a Petri dish in-
side the sampling head whenever adjusting or calibrating an air sampler which
lacks the air flow sensor, or an air sampler using an Easy-Clean-Base.
Note
MBV AG recommends to perform a calibration after every adjustment.
Note
A successful adjustment is the precondition for a calibration.
Note
The background information about the adjustment and calibration process of
the air samplers can be found in Annex A – Procedural background infor-
mation.
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