SAFETY GLOVES NITRILE

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. 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. 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.