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5. Menu Volume measurements on gas lines
5. Menu - Volume measurements on gas lines
Figure 5.1: Cursor positioned at volume measurements
This function can determine the volume V
(e.g. in a tank, flask, or pipeline). A known sample volume V
the space (e.g. with a medical syringe or test pump) and the total volume
V
determined from the resulting pressure change. Boyle's law returns the
total
following equation for the wanted volume V
V
[1] = V
[1] ·
tot
sample
with:
V
tot
V
sample
∆p
max
p
act
First of all, the investigated line, flask, or tank must be tightly sealed with a
suitable test plug. We recommend connecting a leak test set (art. no. 7217).
The DC 100
is connected to the gas line and switched ON.
PRO
64
Hotline: +49 2953 73-211
(
p
[hPA]
act
- 1
∆p
[hPA]
max
wanted gas volume, max. 6000.0 l
sample volume in l
max. pressure difference in Pa caused by the
taking of the sample
absulute air pressure, entered manually under
the Setup menu (default 1013 hPa)
of a closed and airtight space
total
:
total
)
Temp. constant
Fax: +49 2953 73-250
Wöhler DC 100
PRO
is taken from
sample
Equation. 5.1
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