Klett™ Colorimeters

These durable photometers use glass filters for colorimetric and turbidimetric analyses to obtain readings on a Klett™ scale. The measurements are in Klett™ units and are directly proportional to the solution's OD, according to Beer's Law. Other photometric instrument scales are 'shorter' than the Klett's and thus the Klett's readings provide greater accuracy. Accessory filters provide measurement over the entire visual range and measurements for both color and turbidity are allowed. A pair of matched photovoltaic cells and a suspension galvanometer allow a wide range of readings. These unique colorimeters are unaffected by light and ambient temperature. The galvanometer mode provides superior accuracy for its class and features an illuminated logarithmic scale with markings from 1 to 1000 Klett.

The Clinical Colorimeter Model 800-3 accepts regular 14.25 x 125mm test tubes. Both calibrated or uncalibrated tubes are acceptable for use. Micro test tubes may also be use for small volume samples as small as 2.5mL. The Klett™ Clinical Colorimeter includes both blue (400-450nm) and green (520-580nm) glass filters. Furnished completed with clear instructions, standards and usage guides for several common tests.

The Industrial Colorimeter Model 900-3 is compatible with rectangular cuvettes and may be employed in one of two orientations. Readings are obtained at depths of 10mm, 20mm, or 40mm. An optional reduction plate may be used to reduce solution depth to 2.5mm. An optional adapter allows test tubes to be used rather than standard rectangular cuvette cells. The Klett™ Clinical Colorimeter includes both blue (400-450nm) and green (520-580nm) glass filters. Furnished completed with clear instructions, standards and usage guides for several common tests.