Gas-Tec
O�eration
O�eration
13
6 . If the pump does not start, the 'Gas Supply Low' message will display on the LCD display . Check that
the valve of the cylinder has been opened . If not, open it . If it is open, the gas pressure is not adequate .
Switch the unit off at the ON/OFF switch and replace the cylinder .
7 . After the pump starts, hydrogen will begin to flow into the Gas-Tec . The LCD display will monitor
progress as the gas builds up inside the chamber . During this process a countdown timer will be visible .
When there is enough gas to begin operation, an audible 'beep' will sound .
8 . When prompted, press the igniter, (the red cylindrical button
under the Gas-Tec) . Press it in until it clicks . This should
light the hydrogen, and the beeping will stop . If the beeping
continues, press the igniter again .
9 . When the gas is lit, the flame icon will stop flashing and the audible tone will end to signify that the unit
is ready to detect gas .
10 . After a short warm-up period (up to 5 minutes) the unit will offer the option to ‘autozero’ .
Gas-Tec offers the user 2 options to zero the unit every time it is switched on .
Zero in clean air to measure the presence of gas at any level
Zero with a background level of gas present if the Gas-Tec is to show additional concentrations only
(Offset Zero) .
Please note that the zero will not take effect if the background gas reading exceeds 30ppm (parts per
million) .
11 .The pump will be heard continuously while the unit is in use .