Using the Infrared Thermometer/Transmitter
3-12
3
3.5.5 Using the Alarm Functions
The thermometer provides audible and visible alarm
indications, as well as alarm outputs.
• To set the high alarm value:
1. Press the key until the High Alarm Display Mode
(HAL) appears.
2. Press the key to increment the high alarm value. Press
the key to decrement the high alarm value.
3. Press the key to enable the high alarm function. The
icon appears.
If the temperature exceeds the high alarm setpoint,
you will hear a beep and the icon on the
display flashes. The high alarm output voltage goes
high. The alarm LED turns on.
4. To disable the high alarm, press the key again,
and the icon disappears.
If you are not in High Alarm Display Mode (HAL) when
the high alarm goes off, you must press the key to
get into the High Alarm Display Mode. Then press the
key to disable the high alarm.
The unit maintains its high alarm set point value even
when the power is removed.
Default Values of high alarm set points are:
OS551A 750°F
OS552A 1000°F
OS553A 1600°F
OS554A 2500°F
OS555A 4500°F
NOTE
NOTE
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