Pulsecho Systems offers Optical Densitometer. Pulsecho Systems manufactures ultrasonic and electronic instruments. Optical Densitometer is a portable black and white transmission densitometer with 0 to 4 D measuring range and plus 0.02 D accuracy. Its rugged construction makes it comfortable for use in the field as well as laboratories. The self contained light source of the Optical Densitometer makes it independent and reliable. The presence of push button zero and read controls make the operation very simple. Its advanced low power circuitry allows a long battery life for the dry cells or optional rechargeable cells. Optical Densitometer is applicable in industrial and medical radiography, opacity of foil stock like paper, films, cloth, plastic sheets, metallizing of films, glass and foils. It is a battery operated transmission densitometer offered in portable / field instruments. Its key pad controls power, lamp, and zero and read operations making these instruments easy to use. The Optical Densitometer is quite rugged and designed for industrial use.