HiVol 3000 User Manual 1.7 Calibration
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used to calculate the mass concentration. The mass concentration may either be
reported at STP corrected conditions, or at actual ambient conditions by using the
relevant sample volume data in the calculation. Refer to local reporting standards.
The STP Reference conditions have been factory set, but may be changed via the
Setup menu:
Mass concentration data are generally reported in
μg/m
3
referenced to standard
temperature and pressure (STP). There are, however, different accepted values of
STP:
HiVol Setup menu
parameter
Standard Temperature
°C (K)
Standard Barometric Pressure
mmHg
Ref. Temp Ref. BP
Australia, Europe 0°C (273.18K) 760
USA 25°C (298.18K) 760
Japan 20°C (273.18K) 760
Note: 760mmHg = 760Torr = 101.325kPa = 1
standard atmosphere
5.4.1 Sample Volume
The sample volume is automatically calculated and stored/updated in the HiVol.
The sample volume is also automatically corrected to STP conditions and
stored/updated in the HiVol.