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Hach Lange BODTrak II Apparatus
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Decrease Total Test Time
The Hach BODTrak II Apparatus is easy to set up and allows
for quick sample preparation for BOD (Biochemical Oxygen
Demand) analysis. Simply pour a measured sample of
wastewater and nutrient buffer into each of six BODTrak II
bottles. Connect the bottles to the instrument's pressure
sensors, select a measurement range, and incubate. User
calibration of the instrument is not necessary.
Faster than Dilution Method
Constant stirring in the bottles supplies additional oxygen to
the sample and provides bacteria with greater exposure to
food. This results in more rapid respiration and consumption
of oxygen. Results comparable to the dilution method
(BOD5) can be achieved in only two to three days. Use
these results for process control.†
† The BODTrak II method is not approved by the USEPA for NPDES
reporting purposes.
BOD Results that are Easy to Monitor
The BODTrak II Apparatus has a large graphic display that
continuously updates results. View the results at any time
during the test. The instrument plots a curve of BOD over
time. To review the data in detail, simply move a cursor
along the curve to display results for any stored data point.
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Standalone Operation
The apparatus automatically ends the test and stores the
results after the chosen test length of five, seven, or ten
days. This eliminates the need to be present when the test
is complete.
DO Probes and Titrations are Eliminated
The BODTrak II Apparatus measures BOD using the
respirometric method. Each sample bottle is connected to
a pressure sensor in a closed system. As bacteria consume
oxygen in the sample, the pressure in the bottle headspace
drops. This pressure change correlates directly to BOD. By
measuring pressure changes instead of dissolved oxygen
levels, the need for probes and titrations is eliminated.
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Data Sheet
Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.
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