DELUXE PHOTO COLORIMETER ‘LALCO’
Deluxe Photo Colorimeter : 8 filters mains cum battery operated with inbuilt rechargeable battery. optical density in 2½ digit LED display, 1 ml solution measurement.
AUTO PHOTO COLORIMETER ‘LALCO’
Auto Photo Colorimeter : 8 filters with facility for automatic zero setting with finger touch 2½ digit LED display, highly accurate & compact.
Accessories for photo colorimeters
(a) Standard glass filter (each colour)
(b) Selenium photo cell
(c) Test tube (set of 3)