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2. Clean the solar radiation sensor every 3 months with water and towel.
3. Replace alkaline batteries every 2 to 3 years.
8.1 Advanced Rain Gauge Cleaning
If the rain gauge stops updating, it is possible for spiders and other insects to nest inside the sensor
array housing and interfere with the rain gauge mechanism.
1. Remove the six screws on the bottom of the sensor array, as shown in Figure 41.
2. CAREFULLY separate the top housing from the bottom housing. They cannot be completely
separated due to wires. DO NOT STRESS THE WIRES. Open the sensor housing slightly, like a
clam shell.
3. Clean any debris and spider webs, as shown in Figure 42.
Figure
Figure
41
42
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