Thank you for selecting the Extech Model SP505 Solar Power Meter. This device measures the power of solar radiation. Use the SP505 to measure the effectiveness of solar film, measure solar radiation, check solar insulated windows, check headlight intensity, and find the optimal incidence angle for solar panels and solar water heaters.
With the window closed, aim the sensor toward the sun and record the reading. Open the window and aim the device toward the sun, recording the reading. Compare the two values to determine the heat efficiency of the window. Test the windows at least once a year to monitor efficiency. SP505-en-GB_V1.1 10/18...
Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or solvents. Store the meter in the supplied pouch. Remove the batteries if the meter is to be stored for more than 60 days. SP505-en-GB_V1.1 10/18...
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