Sodium light source, 20W low pressure discharge lamps for spectral work. Delivers approximately 350 lux at 20 cm and more than 90% of the light is concentrated in the doublet at 588.9/589.5 nm. Faint lines of the mercury spectrum are also visible.
Mercury light source, 20W low pressure discharge lamps for spectral work. Delivers approximately 100 lux at 20 cm with prominent lines at 434.7, 546.0, 577.0, and 579.1 nm as well as many faint lines.
Advanced Spectroscopy Lab Sytem, MCA with MCS. Na(Tl) scintillation detector with lead shield and stand. Radioactive gamma source set: Ba133, Cd109, Co57, Co60, Mn54, Na22, Zn65 at 1uCi and Cs137 at 0.1uCi. Ships anywhere.
HOBO* Pendant* Temperature/Light 64K Data Logger, 64K bytes, two-channel temperature and relative light level data logger, Materials: Polypropylene case; stainless steel screws; Buna-N o-ring, Waterproof housing for wet or underwater use