Peak Reading Display; Bump Test Display; User Guidelines - ION ARA Series Instrument User Manual

ARA Instrument User Manual V1.1

Peak Reading Display

If an ARA has been exposed to a gas concentration that exceeds the LOW or HIGH alarm set points, the
detector will display the "max" icon.
If the "max" icon is displayed, the peak (maximum) value will be displayed as shown below.
To determine the max peak value detected by the ARA, press the button.
The screen will then automatically scroll to display the LOW Alarm setting, HIGH Alarm setting, maximum peak
value, elapsed time since peak reading was detected (in hours, days and months) and finally, the option to
clear peak reading and reset to zero (0 ppm for toxic sensors and 20.9% for Oxygen sensor).
Max Peak Value Elapsed Time Clear Peak
If the user presses the button down while the CLP (clear peak) is displayed, the peak value on the detector will
be reset and the " " icon will not be displayed.

Bump Test Display

If the ARA has been programmed to remind the user to perform a bump test, the bump test icon ( ), will
appear on the screen and blink.
After pressing the button, the units screen will indicate that its ready for a bump test. For the detailed process
of the bump test, please follow the instructions found in "Bump test Procedure".

User Guidelines

Please ensure self-test has been completed before use. This is to confirm the functions of the display, audio,
visual and vibration alarm are all working.
In normal running mode, the unit will automatically detect gas and alert the user when the concentration of
gas goes above the set threshold.
For safety, wear the detector close to the user's breathing zone.
WARNING: Ignorance or failure to notice the alarm can lead to serious injury or death.
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