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8. Important Notes:
When a sensor is first powered up it may take 10-20 minutes for the reading to stabilize.
If the sensor is subjected to rapid changes in ambient temperature, such as going from a cold to hot or
hot to cold area, it may require a 20 to 30 minute stabilization time.
Measurements made at high target temperatures for a 20 minute or greater time, and then rapidly
reduced may require a 2-10 minute settling time for the measurement to be within the specified
accuracy.
Incorrect wiring may result in permanent damage to the sensor and void the warranty.
9. Maintenance and Troubleshooting
9.1. Maintenance
Housing – The housing is constructed of AISI 304 Stainless Steel and should not require any
cleaning. If it does get dirty, cleaning should be with a damp cloth and mild detergent.
Lens – The lens must be kept clean at all times. If the air purge collar is not used the lens may
need to cleaned with clean compressed air or a moist cotton swab to gently wipe off the lens. A
dry cotton swab may be used to remove any moisture left on the lens. DO NOT use solvents on
the lens!
Wiring – make sure the wiring is protected and not subject to crushing, cutting or extremely
tight bending.
9.2. Trouble shooting
See the below chart for troubleshooting tips. If the problem is not remedied, call Palmer Wahl
customer service at the number provided at the end of this manual for a Return Material
Authorization (RMA) number prior to returning any goods.
Symptom
No Output
Inaccurate
Measurement
Inaccurate
Measurement
Probable Cause
No power to the sensor
Incorrect target size or
obstruction in the field of
view.
Particulates, vapors, gases
settling on lens
Possible Solution
Check power supply for proper
operation and wiring connections and
continuity
Verify optical requirements are met per
paragraphs 5 and 6.1. Clear optical
path of obstructions.
Clean per paragraph 9. Add air purge
collar.
7
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