Appendix
54 IMT Analytics AG
13
13.2.1 Pressure readings
Measurement parameter Designation Units of measurement
Ambient pressure pAtmo
mbar, bar, inH
2
O, cmH
2
O,
psi, Torr, inHg, mmHg,
hPa, kPa, Pa
Pressure high P High
Pressure in flow channel P Channel
High differential pressure P Diff. High
Low differential pressure P Diff. Low
13.2.2 Flow readings
Measurement parameter Designation Units of measurement
Flow Flow L/min, mL/min, cfm, L/s,
mL/s
Ultra-low flow Ultra-low flow L/min, mL/min, cfm, L/s,
mL/s
13.2.3 Meteorological readings
Measurement parameter Designation Units of measurement
Temperature Temp. °C, K, °F
Humidity Humid. %
Oxygen content O
2
%
Dew point Dew point °C, K, °F
Volume Vol. HF mL, L, cf
13.2.4 Gas concentrations
Measurement parameter Designation Units of measurement
Gas concentration Gas concentration %
Partial pressure Partial pressure mbar, bar, inH
2
O, cmH
2
O,
psi, Torr, inHg, mmHg,
hPa, kPa, Pa
13.2 Measurement parameters
and units