Microprocessor Photo Colorimeter with Automatic Shutter is compact and easy to operate instrument for photo colorimeter analysis of any concentration. The Photo Colorimeter has the facility for auto zeroing of absorbance and setting 100% transmission. The Photo Colorimeter is provided with an automatic shutter to stop the light reaching the sensor, when test tube is not inserted in the tube holder. The Microprocessor Photo Colorimeter with Automatic Shutter operates at wavelength between 400 to 700 nm ranges.
