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User Manual LED Light Meter Model LT45 1.800.561.8187 information@itm.com www. .com...
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Congratulations on your purchase of the Extech LT45 LED Light Meter that measures light from LED lamps in addition to fluorescent, metal halide, high-pressure sodium and incandescent sources. The LT45 is capable of measuring the illumination of white, red, yellow, green, and blue LEDs up to 400,000 Lux (40,000 Fc).
Zero Calibration button Data Hold and Light source select button Down arrow button Coiled sensor connection cable 10. Photo detector Note: The battery and tripod mount are located on the back of the meter LT45-en-US_V2.1 6/20 1.800.561.8187 information@itm.com www. .com...
OFF and the meter will return to the normal operating mode. 4. If the protective cap is not covering the sensor when the ZERO calibration is started the LCD In this case, please cover the sensor with the cap and restart this procedure. LT45-en-US_V2.1 6/20 1.800.561.8187 information@itm.com www.
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99 memory locations have been erased. Data Hold Press the Hold button to freeze the displayed reading (the HOLD icon will switch ON). Press the button again to release the held reading con will switch OFF). LT45-en-US_V2.1 6/20 1.800.561.8187 information@itm.com www. .com...
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L0: Standard incandescent light source L1: LED white daylight L2: LED AMBER (YELLOW) light L3: LED GREEN light L4: LED RED light - L5: LED BLUE light L6: Not used L7~L9: Programmable User Custom Locations (preset to 1.00) LT45-en-US_V2.1 6/20 1.800.561.8187 information@itm.com www. .com...
Safety: Please dispose of batteries responsibly; never dispose of batteries in a fire, batteries may explode or leak. If the meter is not to be used for 60 days or more, remove the battery and store separately. LT45-en-US_V2.1 6/20 1.800.561.8187 information@itm.com www.
Meter powers down after 5 minutes of inactivity (can be defeated) Dimensions Meter: 38 x 55 x 130mm) Sensor: 25 x 44 x 80mm) Cable length: 1.5m) Weight Approx. 8.8 oz. (250g) with battery installed LT45-en-US_V2.1 6/20 1.800.561.8187 information@itm.com www. .com...
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