Black & Decker MULTI-GAS DETECTORS Manuel d'utilisateur télécharger pdf (Page 49)

GasAlertMax

Calibration and Setting Alarm Setpoints

Setting the Calibration Due Date

After all the alarm setpoints have been set, the LCD displays

the number of days remaining before the next calibration is

due. (The default setting is 180 days.)

Note

If you do not calibrate all of the sensors, the LCD

displays notE: SPAn ALL SEnSorS to rESEt CAL

duE dAtE.

The LCD flashes prompting you to change the calibration

due date between 1 and 365 days.

9. If you want to change the next calibration due date,

press H and G until the LCD displays the new

value.

10. Press C to save the new value.

After the calibration due date is set, the audible alarm beeps

four times and the detector returns to normal operation.

Note

If you do not press any pushbuttons within 10

seconds of entering this setting, the detector

automatically retains the existing value.

Verification

After calibration has been completed and the detector is in

normal operating mode, test the detector using a gas cylinder

other then the one used in the calibration. The gas

concentration should not exceed the sensor's detection

range. Confirm that the LCD displays the expected

concentration.

The catalytic LEL sensor must be checked if a fitted H

sensor gives an alarm (potential poison gas).

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Black & Decker MULTI-GAS DETECTORS Manuel d'utilisateur Page 49