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Spectroscope, Comparison

Spectroscope, ComparisonSpectroscope, Comparison
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Spectroscope, Comparison
Comparison Spectroscope

A student instrument for simultaneously showing the spectra of two gas discharge spectrum tubes against a common back-lighted scale that reads in nanometers. This unit may also be used to observe other light sources, such as halide, fluorescent and sodium vapor lamps. It uses a fine grade replica transmission grating of 600 lines per mm to create a virtual image of the two spectra one above the other. The scale, which is about 75mm in actual length, is illuminated only when the pushbutton at the end of the cord is held closed. A long-life 9 volt alkaline battery is included. Calibrations are from 380 to 760nm. Strong spring wire clips hold the spectrum tubes securely. The adjustable slit is controlled by the small knob on the side. The cast aluminum housing is finished with light gray polyurethane paint. The weight is well-balanced on the stainless steel post and wide-span tripod base.

Dimensions
  • Overall Ht: 32cm
  • Wt: 9kg
  • Housing: 44cm lg.x 30cm wd.
Catalog # WI-SP116
Shipping Weight 18.00 lbs
 
Our price: $725.00
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