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🔬 EISCO High-Precision Quantitative Spectroscope: Guaranteeing Accurate Results Review

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Very good

Revainrating 4.5 out of 5  
Rating 
4.3
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Description of 🔬 EISCO High-Precision Quantitative Spectroscope: Guaranteeing Accurate Results

Quantitative spectroscope for measuring light, wavelengths, and colors from light sources. Holds diffraction grating and scale securely for legible readings. Measures wavelengths from 400.0 to 700.0nm for detailed examination. Accuracy of +/- 5.0nm for precision measurement. Versatile for measuring spectra emitted from charged gas tubes, flame tests, and during basic astronomy applications.

Reviews

Global ratings 3
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Type of review

I liked that this spectroscope was cheap. It can be improved by cleaning the gap where there was excess plastic from the injection molding. The next improvement was to make a narrower slit using two pieces of aluminum foil taped over the slit, using straight foil edges closer together than the existing slit. These pieces could also be moved to change the size of the gap. I chose this instead of razor blades to protect my daughter. Then I plan to carefully open it and tape the inside with black…

Pros
  • Measures wavelengths from 400.0 to 700.0 nm for detailed studies.
Cons
  • unreliable

Revainrating 4 out of 5

Good for the curious

This is a cheap spectrometer and you get what you pay for. It's not bad if you understand it from the start. If you plan to do detailed spectroscopy, spend your money elsewhere. The slit width is one to two millimeters, so the width of the spectral bands is also one to two millimeters. This corresponds to a relatively wide change in wavelength of around 20–30 nm. The wavelength scale must also be backlit, which makes it difficult to read the source in the dark. As mentioned earlier, these…

Pros
  • Versatile for measuring spectra of charged gas tubes, flame tests and basic astronomical research.
Cons
  • Expensive

Revainrating 5 out of 5

UPDATE The numbers on the scale were legible for my students

UPDATE***** I originally wrote in my review that the numbers on the scale are almost unreadable . And you. for me (59 years old, corrective lenses and eye problems). My students, on the other hand, liked these spectroscopes and had no trouble reading the scale. The lab was a success and they had very accurate readings. Many students have preferred them to the Project STAR spectroscopes that we have. It was about 50/50. I told my students about the review I posted and we all agreed I better…

Pros
  • Accuracy +/- 5.0nm for accurate measuring
Cons
  • High price