Date of Issue: May. 22, 2017
Document No.: NIC-600-2240-02
5/9
2) The LP-WA and the integrating gas meter are added to the block diagram on the screen.
6
．
Measurement
1) Create a calibration curve according to the instruction manual of the WA-5A/F.
2) Connect the cylinder.
3) First, close (turn counterclockwise) the pressure control valve.
4) Open the stopcock of the cylinder slowly.
5) Open (turn clockwise) the pressure control valve gradually to adjust the pressure to around
0.02Mpa.
6) At first, the air of the piping of the LP-WA is not completely displaced so the system will ask
you whether the gas flushing should be performed or not.
Press YES and the purge measurement starts automatically as shown in Table below, which
continues for one minute in the sample case. The data of this sample case is excluded from the
statistical calculation.
YE
S
N
O
