Black & Decker MULTI-GAS DETECTORS Manuel d'utilisateur Page 13

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GasAlertMax
Safety Information - Read First
3
a Cautions
To avoid possible personal injury:
Warning: Substitution of components may impair Intrinsic Safety.
Do not use the detector if it is damaged. Before you use the detector, inspect the case. Look for cracks or missing plastic.
If the detector is damaged or something is missing, contact
BW Technologies immediately.
For use only in potentially explosive atmospheres where oxygen concentrations do not exceed 20.9% (v/v).
Make sure the back is closed and fastened, and the battery is locked in place before you operate the detector.
Use only a sensor specifically designed for your GasAlertMax model. (See the section,
Replacement Parts and Accessories.)
Calibrate the detector before first-time use and then on a regular schedule, depending on use and sensor exposure to
poisons and contaminants. BW recommends at least once every 180 days* (6 months).
Do not turn off the detector during a work shift. Turning off the detector resets the TWA (time-weighted average), STEL (short-
term exposure limit), and maximum gas exposure values to 0. (See the section,
Alarms.)
It is recommended that the accuracy of the GasAlertMax be checked with known concentration calibration gas before
each day’s use and immediately after any known exposure to contaminants (e.g., after an H
2
S alarm if such a sensor is
fitted).
*Refer to Specifications.
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