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WARNING
Read and understand this instruction manual before operating instrument. Improper use of the
gas monitor could result in bodily harm or death.
Maintenance of the gas monitor is essential for proper operation and correct readings.
Bump test the instrument before each day’s use with a known concentration of the target gas.
A bump test can be done in User Mode’s BUMP item or by applying gas in Measuring Mode.
The instrument does not need to be calibrated unless it does not pass the User Mode bump test
or does not respond appropriately, as defined by the user, in Measuring Mode. For more
information about bump test and calibration requirements, see IEC 60079-29-2.