The Extech LT45 LED Light Meter 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, blue, and purple LEDs up to 400,000 Lux (40,000 Fc). It can also calculate luminous intensity (CD) using a distance‐to‐the‐light value programmed by the user in meters or feet units.
The LT45 can store up to 99 readings for later recall and includes Overload indication, Battery status icon, Data hold, Maximum/Average/Minimum (MAX/MIN) tracking, push‐button Zero calibration adjustment, Auto Power off (with disable function), and auto ranging features.
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