Microprocessor Photo Colorimeter 8 Filters with facility for direct measurement of results in conc., %T & O.D. Memory for storage of 3 standards to avoid frequent use of standards. Automatic zero setting facility. 1ml. solution measurement.

Digital Fully Automatic Colorimeter-9 Digital filters with facility for automatic zero setting with finger touch, digital wavelength selection, inbuilt 6 V Ni-Cd Re-Chargeable Battery, 1ml. solution measurement, Range 400 to 700 nm, highly accurate & compact.