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The Aqualytic PC Compact photometers use an LED as their light source. How do they work?

April 26, 2017compact LED light pc photometers source

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The Aqualytic PC Compact photometers use an LED as their light source. How do they work?

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Light Emitting Diodes (LEDs) have been chosen as the light source for the PC Compacts as they are only capable of producing light at a specific wavelength when an electrical signal is applied to them. The LED is only switched on for the duration of each test measurement. Modern LEDs are incredibly durable and can withstand many thousands of measuring cycles, giving an extremely long instrument life. High quality LEDs are inexpensive to manufacture. This means that the PC Compacts can provide high quality analysis over a long period of time at a very competitive price.