Cleaning - Extech Instruments WTH600 User Manual

Northern hemisphere:
New Moon
Waxing Crescent
First quarter
Waxing Gibbous
Southern hemisphere:
New Moon
Waxing crescent
First quarter
Waxing Gibbous

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
Unusual or no rain sensor
measurement
Unusual or no thermos/Hygro
sensor measurement
Unusual or no wind
speed/direction measurement
Signal lost for 15 minutes
and
Signal lost for 1 hour
and
18
Solution
Check the drain hole on rain collector
Check balance indicator
Check radiation shield
Check sensor casing
Check wind cups (anemometer)
Check wind vane
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
Reset both main unit and sensor
Full Moon
Waning Gibbous
Third quarter
Waning Crescent
Full Moon
Waning Gibbous
Third quarter
Waning Crescent
N
N
"Lock" Position
WTH600-en-US_v1.0 8/17
N
"Unlock" Position