GasAlertMax
Safety Information - Read First
3
D1430/2 English
a Caution
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 (see p. 2).
⇒ Approved by BAM for use 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.")
⇒ Periodically test the sensor’s response to gas by exposing the detector to a targeted gas concentration that
exceeds the High Alarm setpoint. Manually verify that the audible and visual alarms are activated.
⇒ Prior to each day’s usage sensitivity must be tested on a known concentration of the target combustible gas
(methane, etc.) equivalent to 25-50% of full-scale concentration (accuracy must be within 0 to +20% of actual).
Accuracy may be corrected by recalibrating the instrument.
⇒ It is recommended the detector be calibrated before first-time use, and then at least once every 180 days.
⇒ Do not turn off the detector during a work shift. Turning off the detector resets the TWA (time-weighted
average) 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.
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