Alarm setting
During each measurement period, the gas concentration is compared with the programmed
alarm limits (gas concentration alarm limit settings: Low, High, TWA and STEL). If the
concentration exceeds any of the preset limits, the loud buzzer and red flashing LED are
activated immediately to warn of the alarm condition.
See "Alarm signal summary" on page 49 for more information.
In this menu, you can change the High and Low alarm limits, the STEL limit, and the TWA.
Press [Y/+] to enter the Alarm Setting menu. Note: All settings are shown in ppm (parts per
million), or mg/m
3
(milligrams per cubic meter), depending on your setting.
MiniRAE 3000+, ppbRAE 3000+, UltraRAE MiniRAE Lite+
1. Scroll through the Alarm Limit sub-menu using the [N/-] key until the display shows the
desired limit to be changed (High Alarm, Low Alarm, STEL Alarm, and TWA Alarm)
2. Press [Y/+] to select one of the alarm types. The display shows a flashing cursor on the left-
most digit of the previously stored alarm limit.
3. Press [Y/+] to increase each digit’s value.
4. Press [N/-] to advance to the next digit.
5. Again, use [Y/+] to increase the number.
Repeat this process until all numbers are entered.
Press [MODE] when you are done.
l
Press [Y/+] to save the changes.
l
Press [N/-] to undo the changes and revert to the previous settings.
When all alarm types have been changed or bypassed, press [MODE] to exit to the
Programming Menu.
Handheld PID Monitors 78 User Manual
To Next Page
Loading...
