USER MANUAL Solar Power Light Meter Model SP505 Additional User Manual Translations available at www.extech.
Introduction Thank you for selecting the Extech Model SP505 Solar Power Light 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. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Please visit our website (www.extech.
Operation Power the Meter Press the button to turn the meter ON/OFF. If the meter display does not switch ON, please check the batteries (2 x 1.5V ‘AAA’) in the rear compartment. The meter has an APO feature where the meter automatically switches off after 10 minutes of inactivity. Zero the Sensor Cover the sensor, and press the button to zero the display before use. Range Selection Short press the button to toggle the range of the meter. The meter display range toggles between 0.1 and 1 unit resolution.
Maintenance Battery Replacement 1. Power OFF the meter. 2. Slide the battery compartment cover off in a downward motion. 3. Replace the two (2) ‘AAA’ 1.5V batteries observing correct polarity. Secure the compartment cover before using the meter. Safety: Please dispose of batteries responsibly, never dispose of batteries in a fire, batteries may explode or leak. If the meter is to be stored for 60 days or more, remove the batteries and store them separately.
Specifications Display 3 ¾ digit LCD display (3999 counts) Measurements Solar Radiation Power Sampling Rate Approximately 0.25 seconds Over‐range Display “OL“ Tripod mount On rear panel Power 2 x 1.5V ‘AAA’ batteries Battery life Approx. 50 hours Automatic power off (APO) After approx. 10 minutes of inactivity Operating Temperature/Humidity 5 to 40oC (41 to 104oF) / 80% RH max Operating Altitude 2000 meters (7000 ft.
