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Maintenance
July 2020
continuously monitors the source intensity and corrects for changes in source intensity
caused by age. When the source intensity becomes too low, the transmitter warns you.
Replace the lamp as soon as possible.
To replace the lamp/LED board:
Procedure
1. Turn off power to the transmitter.
2. Remove the sensor from the measuring chamber and disconnect the cable.
3. Using a small Phillips screwdriver, remove the two screws holding the top flange of
50
WARNING
Explosion
Do not disconnect equipment when a flammable or combustible atmosphere is
present.
WARNING
High pressure and temperature
Before removing the sensor, be absolutely certain that the process pressure is
reduced to 0 psig and the process temperature is at a safe level.
Note
If you have a dual input transmitter, you can reapply power at this point. The initial
reading from the other sensor will momentarily be zero. After about 60 seconds,
the reading will reach its final value.
the sensor to the body.
Reference Manual
00809-0100-3565
Emerson.com/Rosemount
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