
User's Guide _______________________________________________________________________
22 ___________________________________________________________________ M210796EN-G
Table 4 Basic Quantities Measured by PTU300
1) Relative humidity not included on the PTU30T model
Table 5 Optional Quantities Measured by PTU300
Dewpoint /Frostpoint Temperature (T
d/f
)
Dewpoint Temperature (T
d
)
Humid air volume/ dry air volume
(by volume or by weight) (H
2
O)
w
v
w
Water vapor pressure (P
w
)
Water vapor saturation pressure (P
ws
)
Difference of T and T
d/f
(∆T)
Table 6 Optional Pressure Quantities Measured by PTU300
Pressure trend and tendency
hPa, psia, inHg, torr, bara, barg,
psig, mbar, mmHg, kPa, Pa,
mmH
2
O, inH
2
O
Pressure (measures average pressure
from P
1
and P
2
if both are connected)
Pressure from transducer 1 or 2
Height Corrected Pressure
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