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The sensor has drifted out of specification
Smokerlyzer® products are calibrated before leaving Bedfont®, however Bedfont® recommends if the
instrument may be reading incorrectly, try the test again with another device if available to get a
comparison. Alternatively, check the function using Bedfont® check gas or send back to Bedfont®. The
check gas required is Bedfont® 20ppm carbon monoxide in air, procedure below.
1.
Ensure the fine control valve is in the off
position.
2.
Screw the fine control valve and flow indicator
assembly to the gas can. This is best done by
screwing the gas can into the valve.
3.
Screw the fine control valve and flow indicator
assembly to the gas can. This is best done by
screwing the gas can into the valve.
4.
Press ‘breath test’
symbol on screen, or to
start a breath test.
