Chapter 4,
Calibrating the ALTAIR Pro Single Gas
Detector
Regulators and tubing used for bump testing and calibrating
ClO
2
, HCN or PH
3
should be labeled by the user for that spe-
cific gas and must only be used for that gas exclusively in
the future.
• The ALTAIR Pro Single Gas detector must be calibrated if it does
not pass a Bump Test or if calibration is required by local
procedures. In addition:
• For oxygen instruments, perform a calibration if:
• there are changes in barometric pressure
(altitude changes)
• there are extreme changes in ambient temperature and
humidity (see TABLE 6-2, "Instrument Specifications").
• the instrument does not pass a bump test.
• Calibration is required at certain intervals by local
procedures.
• For toxic instruments, perform a calibration if any of the following
occur:
• physical shock
• extended use in extreme temperatures
• high concentration exposure
• the instrument does not pass a bump test.
• Calibration is required at certain intervals by local
procedures.
"
WARNING
4-1
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