Produce name:Reading directly Spectroscope (with wave length) Serial number: 2551

Produce information:

Application of the product: It can be used for spectrum research. Production information: Measurement scale: 400 nm-800 nm 20× magnification, it can distinguish 689.0 nm to 589.6nm sodium double thread under 20× magnification and can the 589.6 nm sodium double thread It also can differentiate 577.0 nm to 579.0 nm mercury double thread at 10 × magnifications Standard: JY0035-91