USER MANUAL UV‐AB Light Meter Model UV505 Additional User Manual Translations available at www.extech.
Introduction Thank you for selecting the Extech Model UV505 UV‐AB Light Meter. This device measures UV‐AB ultraviolet light in the wavelength range of 290~390nm. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Please visit our website (www.extech.com) to check for the latest version and translations of this User Manual, Product Updates, and Customer Support.
LCD Description 1. Measurement Reading 2. Data Hold 3. Zero mode 4. Low battery indicator 5. Unit of measure (µW/cm2 or mW/cm2) 2 3 4 HOLD ZERO 1 uW/cm Button Descriptions mW/cm 5 Press to turn the meter ON or OFF Press to freeze/unfreeze the readings on the display Short press to toggle between µW/cm2 and mW/cm2 Short press to power ON the backlight. The backlight switches OFF automatically after 10 seconds. With the protective cover over the sensor, press to zero the display.
Data Hold Short press the button to freeze or unfreeze a reading on the display. Backlight The LCD is equipped with backlighting for easier viewing, especially in dimly lit areas. Short press the backlight 10 seconds. button to turn on the backlight. The backlight will automatically turn off after Measurement Considerations Keep the light sensor clean and free of scratches. Dust lightly with dry lint free cloth. Avoid reflections or shadows on the sensor while taking measurements.
Specifications Display Sampling rate Measurements UV sensor spectrum Peak Sensitivity Wavelength Input Overload Display Tripod mount Power Battery life Automatic power off Operating Temperature/Humidity Operating Altitude Storage Temperature/Humidity Dimensions/Weight Safety Backlit 3‐3/4 digit (4000 count) LCD Size: 35 x 30mm (1.4 x 1.2“) Approx. 3 seconds Ultraviolet Light (UV‐AB) 290 to 390 nm 365 nm “OL“ On rear panel 2 x 1.5V ‘AAA’ batteries Approx. 50 hours After approx.