⚠ NOTICE: LEL sensor should be checked for accuracy after
exposure to any gases containing silicones, high sulfur content, high
concentrations of CO (above 1000ppm) or exhaust gases.
Continuously low calibration check results or uctuation of zero readings
may indicate sensor end of life or failure. Consult SENSIT Technologies
with any questions.
For best accuracy always zero in clean air environments similar in
temperature and relative humidity to the environment where the
instrument will be used.
When continuously exposed to combustible gas concentrations beyond
LEL for longer than 5 minutes always perform a calibration check prior
to the next use.
FOR YOUR SAFETY
NOTICE: ⚠ CAUTION: This safety symbol is used to
indicate a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
ii
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