Operation
ALTAIR 5X/ALTAIR 5X IR
50
GB
Attention!
Special conditions with toxic gases!
If the device is to be checked or calibrated for toxic gases, prerequisites
are required; otherwise, incorrect calibration would result in incorrect de-
vice operation.
Reactive toxic gases [e.g., chlorine, ammonia, chlorine dioxide] have the
property of diffusing into the rubber and plastic tubes so that the volume
of test gas available in the device would no longer be sufficient to cor-
rectly perform device calibration.
For this reason, when calibrating the device with toxic gases, certain pre-
requisites are required:
- A special pressure regulator
- Short connection tubes between the pressure regulator and the device
[approximately one inch]
- Connection tubes made from a material that does not absorb the test
gases [e.g., PTFE].
NOTE: If using normal tubes and pressure regulators, expose them to
the required test gas for an extended time period. Keep these materials
dedicated for use with that test gas only; do not use them for other gas-
es.
For example, for chlorine, allow the entire contents of a test gas cylinder
to flow through the pressure regulator and tubes before using to calibrate
the device. Mark these materials for use with chlorine only.
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