FLIR Commercial Systems Inc. WTH600 Manuale Utente

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18  
WTH600-en-US_v1.0   8/17
Northern hemisphere: 
New Moon 
Full Moon 
Waxing Crescent 
Waning Gibbous 
First quarter 
Third quarter 
Waxing Gibbous 
Waning Crescent 
Southern hemisphere: 
New Moon 
Full Moon 
Waxing crescent 
Waning Gibbous 
First quarter 
Third quarter 
Waxing Gibbous 
Waning Crescent 
20. CLEANING
Cleaning the Rain Collector
1. Rotate the rain collector 30° counter-clockwise.
2. Gently remove the rain collector.
3. Clean and remove debris.
4. Allow components to dry before re-assembly. 
Cleaning the Thermo-Hygro sensor
1. Unscrew the 2 screws at the bottom of the radiation shield.
2. Gently pull out the shield. 
3. Remove carefully any dirt or insects inside the sensor casing (Do
not let the sensors inside get wet).
4. Clean the shield with water and remove any dirt.
5. Re-assemble after fully cleaning and drying.
 
21. TROUBLESHOOTING
Problem/Symptom 
Solution 
Unusual or no rain sensor 
measurement 
Check the drain hole on rain collector 
Check balance indicator 
Unusual or no thermos/Hygro 
sensor measurement 
Check radiation shield 
Check sensor casing 
Unusual or no wind 
speed/direction measurement 
Check wind cups (anemometer) 
Check wind vane 
Signal lost for 15 minutes 
Relocate main unit and sensor close to each other.  
Ensure the main unit is placed away from other electrical appliances 
that may interfere with wireless communication 
Signal lost for 1 hour 
Reset both main unit and sensor 
N
“Unlock” Position
“Lock” Position
N
N
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