4210 Flow Meter
Section 4 Optional Equipment
4-26
Figure 4-9 Universal Mounting Ring
4.12.5 Installation of the
Spring Ring
After the probe has been attached to the mounting ring, the
actual installation procedure is fairly simple. First, lower the
mounting ring/probe assembly into the area of the pipe. Place the
cable on a secure surface. Next, grasp the mounting ring and
compress it into a tight circle. Then shove the ring (with the
pointed end of the probe oriented upstream) up into the pipe the
desired distance.
When the ring and probe are positioned as desired, simply
release the ring, allowing it to expand outwardly. It may be nec-
essary to rotate the ring to position the probe in the bottom
center of the pipe. This completes the probe installation proce-
dures using the mounting ring.
For installations where it is desirable to mount the parameter
probe upstream from an outfall, a four-foot probe extension is
available from Isco.
Figure 4-10 Four-Foot Probe Extension
Base Section
Extensions
Scissors Assembly
Tightening scissors assembly expands ring to press
firmly against wall of pipe, securing ring.
Probe
Mounting Ring
Probe Extension
Direction of
Flow
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