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Total Volume
TE-PNY1123 MFC PUF with TE-5008 Manometer
To figure out the total volume of air that flowed through the sampler during your
sampling run take a set-up reading (when you set the sampler up manually turn it on
and take a TE-5008 manometer reading; in our example it should be 3.7 inches of
H2O) and a pick-up reading (after the sample has been taken again manually turn
sampler on and take a TE-5008 manometer reading; for our example let's say it read
3.3 inches of H2O).
Take 3.7 + 3.3 = 7.0 7.0/2 = 3.5 so the 8WT manometer reading you would use is
3.5 . Put that into the formula (on bottom of worksheet):
1/m((Sqrt(in H2O)(Pav/760)(298/Tav)) - b)
m = sampler slope
b = sampler intercept
in H2O = average TE-5008 manometer reading
Tav = daily average temperature
Pav = daily average pressure
Sqrt = square root
Example:
m3/min = 1/1.2809((Sqrt(3.5)(298/294)(760/760))-(0.2458))
m3/min = .780701 ((Sqrt(3.5)(1.0136054)(1)) - 0.2458)
m3/min = .780701 ((Sqrt(3.5476189)) - 0.2458)
m3/min = .780701 ((1.8835123) 0.2458)
m3/min = .780701 (1.6377123)
m3/min = 1.2785636
ft3/min = 1.2785636 x 35.31 = 45.14608
Total ft3 = ft3/min x 60 x hours that sampler ran
Let's say our sampler ran 23.9 hours (end ETI reading - start ETI reading)
** Make sure ETI is in hours otherwise convert to hours **
Total ft3 = 45.145608 x 60 x 23.9 = 64,739.478 ft3
Total m3 = 1.2785636 x 60 x 23.9 = 1833.4602 m3
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