Detecting Instruments

(For Contest Work Only)

MSA Passport Personal MSA Passport Personal AlarmAlarm

MSA Passport Personal MSA Passport Personal AlarmAlarm

A.A. Checking instrument:Checking instrument:1)1) Turn the instrument on by Turn the instrument on by

pressing the on/off button on the pressing the on/off button on the control face panelcontrol face panela)a) (Battery pack should be secured to (Battery pack should be secured to

instrument prior to starting the clock instrument prior to starting the clock for working of the contest problem.)for working of the contest problem.)

2)2) Visually inspect the digital Visually inspect the digital display after it stabilizesdisplay after it stabilizes

MSA Passport Personal MSA Passport Personal AlarmAlarm

3)3) Check the battery condition by pressing the Check the battery condition by pressing the page button. page button.

4)4) Battery condition and voltage will be Battery condition and voltage will be displayed. BATT appears in the exposure displayed. BATT appears in the exposure display, alarm lights flash, and alarm display, alarm lights flash, and alarm sounds. sounds.

5)5) After initial LOW warning, (instrument will After initial LOW warning, (instrument will function for only approximately 30 minutes function for only approximately 30 minutes more). more).

6)6) The alarm sounds every five minutes until The alarm sounds every five minutes until power is turned off or the battery condition power is turned off or the battery condition is at VERY LOW level. is at VERY LOW level. 1)1) Very low battery is no longer able to operate the Very low battery is no longer able to operate the

instrument and unit shuts down automatically.instrument and unit shuts down automatically.

MSA Passport Personal MSA Passport Personal AlarmAlarm

7)7) Visually check instrument for Visually check instrument for damage.damage.

B.B. Testing for carbon monoxide / Testing for carbon monoxide / methane / oxygen:methane / oxygen:

1)1) When activated, MSA passport When activated, MSA passport detects and measures concentration detects and measures concentration of carbon monoxide, methane and of carbon monoxide, methane and oxygen in the ambient air oxygen in the ambient air continuously and simultaneously.continuously and simultaneously.

MSA Passport Personal MSA Passport Personal AlarmAlarm

2)2) All gas measurements are All gas measurements are revealed in the digital liquid revealed in the digital liquid crystal display (LCD) and all are crystal display (LCD) and all are displayed simultaneously.displayed simultaneously.

3)3) Carbon monoxide is measured Carbon monoxide is measured and displayed in parts per and displayed in parts per million (ppm), methane and million (ppm), methane and oxygen are displayed in percent oxygen are displayed in percent by volume.by volume.