PP Systems TARGAS-1 User Manual

TARGAS-1 Operation Manual V. 1.02 90 support@ppsystems.com
* Detected by IRGAs, temperature and pressure corrected, effects of foreign gas broadening (water vapor
effects) on measurement corrected.
Physical Constants
Symbol
Parameter
Value

Latent heat of vaporization of water
45064.3 - (T
c
x 42.9) J mol
-1
M

Molecular mass of air
28.97
C

Specific heat at constant pressure
1.012 kJ kg
-1
K
-1

Stefan Boltzmann constant
5.6704 x 10
-8
W m
-2
K
-4
References
Parkinson, K.J. 1983. Porometry in S.E.B. Symposium of Instrumentation for Environmental Physiology.
Cambridge University Press.
Buck, A.L. 1981. New equations for computing vapour pressure and enhancement factor. J. Appl.
Meteorol., Vol. 20:1527-1532.
von Caemmerer, S. and G.D. Farquhar 1981. Some relationships between the biochemistry of
photosynthesis and the gas exchange of leaves. Planta, Vol. 153:376-387.

PP Systems TARGAS-1 Specifications

General

Brand	PP Systems
Model	TARGAS-1
Category	Measuring Instruments
Language	English