Chapter 4 - Detector Operations; Activate The Detector; Activate The Backlight; Deactivate The Detector - Honeywell BW Ultra User Manual

Portable five-gas detector with internal pump

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Turn-on the detector in a safe area with an atmosphere of 20.9% oxygen and free of hazardous

gas.

1. For first time use, charge the battery for up to 8 hours or until LED light turns green using

the charging adapter provided. Refer to Charge the battery for more information.

2. Press and hold the button for three seconds.

3. For first time use, a Warming sensors message is displayed and a 30 minutes countdown is

displayed. In most cases, this countdown only lasts a couple of minutes.

4. When the detector displays Pump test Block inlet, block the pump inlet with a finger, and

then after a couple of seconds unblock the pump inlet. The detector performs a quick

pump test. A Pump Test passed message is displayed. If you do not block the pump inlet,

the detector will turn off after two minutes. The detector will then perform a self-test,

including testing the sensors. This process could take several minutes. If necessary, you

will be instructed by screen prompts to calibrate newly-installed sensors.

5. When the self-test is complete, press and hold the button to zero sensors. After the

autozero is complete, the detector then checks the sensors for calibration and bump test. If

the detector identifies sensors requiring calibration or bump testing, press the button and

follow the on-screen instructions.

To activate the backlight on the screen, press the button.

1. Press and hold the button during the powering-off countdown.

2. Release the button when OFF is displayed.

BW Ultra

DETECTOR OPERATIONS

User Manual

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