Laser Pointer...This Class IIIa (<5 mW) laser pointer can be used with the Vernier Photogate to produce a gate that is wider than the normal 7.5 cm spacing, making it possible to measure the speed of an automobile or of a person running. The laser case is made of aircraft aluminum, and it uses two AAA batteries (included). The wavelength of the light is 650 nm. BRAND : VERNIER SOFTWARE SKU : LASER UPC : 783537040120
|