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| Fixed Volume Micropipettes, Adjustable
Volume Micropipettes, Electronic Micropipettes, KLETT
COLORIMETERS, Autodesicator, Secador, Pipette Pump, SPINBARS,
OCTAGON SPINBARS, FLEA MICRO SPINBARS, EGG SHAPE SPINBARS,
Retriver, Gasbulb, NMR Tubes, Ultraviolet / Visible and
Fluorescence, 611 Aqua Tester, COD - Tester, Color - Disc,
Portable water 942 mp, Portable water 975 mp, Autoclave,
Rotary Vacuum Evaporator, Equitron, Shaking Bath, Water
Steel, Anaerobic Culture Jar, Bactereological Equipments,
Lemis Beltic, Dendi, Dendi - 2, DM 230 - 1 - 230, Viscometers,
Infusil Quartz, Products |
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KLETT COLORIMETERS |
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| Use for Colorimetric and Turbidimetric
Determinations Including: |
These photometric
colorimeters use specific light filters to
give readings on a unique KlettTM scale. The
readings are directly proportional to the
concentration or optical density of a solution,
in
accordance with Beers Law. Two matched photocells
and a suspension galvanometer give the instrument
a broad range of measurement making it light
and ambient temperature
independent. |
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A fully compensated and carefully
balanced electrical circuit provides accuracy and consistency
in readings while using simple and rugged equipment. The
precision galvanometer has an illuminated logarithmic
scale, graduated from 1 to 1000 KlettTM and the scale
is graduated in units proportional to the optical density.
Repeatability is ±.33% of the full scale. Two units
are available. The Industrial
Model accepts rectangular solution cells, which can be
used in either of two directions.
Measurements can then be taken at depths of 10mm, 20mm,
or 40mm. A reduction plate is available to minimize solution
depth to 2.5mm. An adapter is available which permits
the use of test tubes. The Clinical Model uses standard
14.25 x 125mm test tubes. Calibrated or uncalibrated tubes
are available. In addition, micro test tubes can be used
for samples as small as 2.5 ml. Both models are supplied
with the two most commonly used filters, blue for 400-450nm
and green for 520-580nm. Additional filters are available
to permit measurements over the complete visual range.
Each unit has detailed instructions, standards and guides
for a wide
range of tests. |
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