Simtronics GD1 MK3, Руководство по эксплуатации, Страница: 40 / 76

GD1 Page 40 of 76 850-816926-EN R06
4.2. Test Cell filling and emptying instructions
When working with Hydrogen Sulphide (H
2
S) gas, observe the following:
•
H
2
S is very toxic by inhalation
•
Handle and use only in a well-ventilated space
•
In case of accident or if you feel unwell, seek medical advice
immediately.
Read and understand the filling and discharging instructions before using
the Test Cell
# Step description Illustration / response
Note! Maximum allowed overpressure is 100 mbar.
1
Fit a filler hose from the H
2
S gas cylinder to one
of the valves on the Test Cell. Gas from gas
cylinder must be run through an mbar pressure
regulator regulating the pressure down to less
than 1 barg.
Fit an exhaust hose to the other valve. Exhaust
must be released to a safe area or into a suitable
ventilator system.
Dimension of the valve nozzles are 6.4 mm (1/4")
OD.
2 Open both valves on the Test Cell.
3
Start the filling of H
2
S from the gas bottle to the Test Cell. With a gas flow of 3
liter/minute, wait for approximate 2 minutes. For a lower gas flow filling time has to be
increased accordingly. For example for a flow of 1 liter/minute a filling time of 6
minutes is required. Too short filling time will result in the gas reading being lower
when performing Function test.
4 Close the gas bottle.
5 When the gas stops flowing, quickly close both valves on the Test Cell.
6 Disconnect the Test Cell from the hoses.
Note! After filling, the Test Cell will only be able to hold the gas at a reliable concentration
for a limited amount of time (few days). Replenish or refill the cell if the concentration is
suspected to have dropped.
Filling of Test Cell finished!