Colorimeter Photo Digital

Measures and determines the concentration or quantity of a known constituent of a solution by comparison with the colour of a standard solution of that constituent- using specific reagents. Uses test tubes only. Filter setting is controlled by a rotating disc having 8 filters. An automatic shutter is provided to stop the light reaching the sensor. Optional custom-formulated reagents provide excellent accuracy- repeatability and stability. Maintenance-free. Photometric measurement- Transmission: 0-100% and Absorbance: 0-1.99 Modes- Auto Zeroing Facility- Highly Accurate & Stable- Range: 400 to 700nm- Soft Touch Membrane keys.