Cool Extech Led Light Meter Ideas. Cosine and color corrected measurements; Complete with 2 aaa batteries, and pouch
Web congratulations on your purchase of the extech lt40 led light meter that measures light intensity from white led light sources. Thursday, oct 26 ships from: The lt40 can also measure light from fluorescent, metal halide, high‐ pressure sodium, and incandescent sources, for reference only (unspecified accuracy).
