This microprocessor auto digital photo colorimeter (VSI-401) is a compact and easy to operate instrument for photo colorimeter analysis of any concentration.
The output is available on 16x2 lines alphanumeric LCD display in terms of percentage Transmission (% T) & Absorbance (Abs.).
The use of micro-controller has made these microprocessor digital photo colorimeters extremely versatile and state of the art instrument.
This microprocessor digital photo colorimeter operates at wavelength between 400 to 700 nm ranges with accuracy of +-0.02 O.D./Abs. A minimum sample volume of 1 ml is required to carry out the analysis.
The use of high standard wide range glass filters covering 400 to 700 nm in the monochromator gives extremely good results. The filter setting is controlled by a rotating disc having 8 filters. An automatic shutter is provided to stop the light reaching the sensor, when test tube is not inserted in the tube holder. This increases the life of sensor tremendously.
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