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AVT2962 UK
ID: 194102
SPECTRO COLORSMETER - PROGRAMMED SYSTEM
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SPECTRO COLORSMETER - PROGRAMMED SYSTEM
Producer: AVT
This project shows how modern electronics help a chemist. The device is used to measure the concentrations of colored substances or those that have colored reaction products. The phenomenon of selective absorption (absorption) of radiation with a strictly defined wavelength was used. Its source in the present glass is the LED diode. In comparison to other sources, the spectrocolorimeter using it will have lower sensitivity and a smaller range of the linear relationship between absorption and concentration.
The device is especially recommended for inquisitive chemists-electronics
Selected parameters:
- source of radiation beam - LED diode
- the ability to change the LED (color) depending on the substance being tested
- control and measurement - ATmega8 microcontroller
- reading - LCD display
- zeroing function
- additional function - UV absorption test for sunglasses
- power supply - 9-12Vdc
- programmed layout
- Detailed description in EdW 11/10
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194102
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