Resetting Alarms
If any alarm is set as Non-Latching then the alarm condition clears once the gas
concentration falls below the pre set alarm level.
If the Latching option is selected then the alarm must be manually reset. To do this
place the magnetic tool against the cover. The magnetic sensor is located at the 4
o’clock position. Continue to hold the magnet to the cover and the sensor will
display “rSt” (short for RESET) on the LED display for few seconds.
Figure 6. Magnetic Sensor Position 4 o’clock to RESET alarms and
to adjust alarm levels / set points.
PT295 Series Toxic Sensor Rev 5.1
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