TM16 - Stream Flow Meter Manual - Waterra-In-Situ

2.0 Operating Instructions
2.1 Impeller Stick with the Flowmeter
Slot the rods of the IMPELLER unit
together and point the impeller up into
the flow of moving water at the required
depth (Figure 1a).
Use one or more of the three “riser” rods
to elevate the impeller off the stream bed
if necessary (figure 1b).
Figure 1a Impeller Stick in the flow
Figure 1b Using Riser Rods
When the impeller is turning at the correct depth
(which will depend on the purpose of your
measurements), press the “SEL” button.
The Flowmeter will either record the velocity of the water
SEL
SEL
at that point in time if set to MANUAL or start the timed
recordings if set to AUTO LOG. To end an AUTO LOG
session press
and FINISH
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