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6.0 OPERATING INSTRUCTIONS
Before using this instrument, read and understand ALL instructions for ALL
operating modes described in this Section. Prior to use, the instrument should
be checked for proper calibration as described in this Section.
WARNING
BEFORE EACH DAY’S USAGE, THE SENSITIVITY OF THE GAS SENSOR
MUST BE TESTED ON A KNOWN CONCENTRATION OF CALIBRATION
GAS.
WARNING
ACTUAL CALIBRATION SHOULD ONLY BE PERFORMED BY QUALI-
FIED INSTRUMENT MAINTENANCE PERSONNEL.
WARNING
ANY INDICATION OR READING DENOTING A TOXIC GAS OR A LACK
OF OXYGEN SIGNIFIES THE NECESSITY TO FOLLOW ESTAB-
LISHED COMPANY PROCEDURES FOR THE INDICATED CONCEN-
TRATIONS OF THE PARTICULAR GAS.
WARNING
USE IN OXYGEN ENRICHED ATMOSPHERES (ABOVE 25% O
2
) MAY BE
HAZARDOUS.
WARNING
CONFIRM THE INSTRUMENT’S BASIC CALIBRATION IS APPRO-
PRIATE FOR THE INTENDED USE.