Operating the bbe BenthoTorch
bbe BenthoTorch Manual Page 19
Operating the bbe BenthoTorch
Measuring Procedure
The BenthoTorch was calibrated before delivery with the bbe standard algae types.
S
INGLE
M
EASUREMENT
• Start the BenthoTorch
• Use a wrist strap to secure the instrument
• Ensure that the connector is closed with the cap
• Go to “Start measurement”
• Apply the BenthoTorch in to the benthic algae. Ensure that the red foam shadows the algae from the light.
• Replicate the measurement on one stone and average to reduce the effect of patchiness
• During the internal calibration a decreasing number of # is shown
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• During the measurement the remaining time is displayed:
measuring
time remaining
5 s
• The end of the measurement is signalled by a short vibration. The result can be read from the display. The
results of 3 algae classes are shown alternating.
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