Chapter 6 ______________________________________________________________Maintenance
VAISALA______________________________________________________________________ 177
Snow Depth Sensor IRU-9429
Periodic Maintenance
Every month, check that the sensor alignment is correct and the sensor is
firmly mounted. Check sensor operation if there is a reason to believe
that the readings are erroneous or you receive a sensor status alarm.
Check the sensor reading by measuring the depth of the snow with a ruler
and comparing it with the reading given by the sensor. Clean the sensor
from any dirt, spider webs, and so on with a lint-free cloth using water
and mild detergent or alcohol.
Solar Panel SOLAR33 Maintenance
Periodic Maintenance
WARNING
Wear rubber gloves to protect yourself against possible electric shock.
CAUTION
Do not use a scrub brush; it can damage the module front surface.
Inspect the module at least twice a year for overall integrity. Make sure
that connections to the battery are tight and free of corrosion.
Dirt accumulation on the module's front surface can reduce the light
energy collected by the module. If the module surface is dirty, gently
clean it with a soft cloth or sponge using water and a mild detergent.
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