16
O&M Manual
Rev-J (11/18)
Part 3 – Sensor/Flowcell Mounting
3.1
General
Select a location within the maximum sensor cable length for mounting of the sensor flow cell.
3.2
Constant-Head Flowcell
Dissolved ClO
2
sensors are best used in a constant-head overflow chamber because variations in
sample flow rate and pressure can cause unstable readings. When monitoring low
concentrations (below 0.5 PPM), this method should always be used.
Mechanical installation of the flow cell requires that it be mounted to a wall or other convenient
flat surface. Alternatively, the mounting holes on the plate will accommodate a 2" U-bolt for
mounting the plate to a 2" pipe. Figure 9 shows the dimensions and mounting hole locations for
the flow cell. Be sure to allow enough clearance on the left side of the flow cell for insertion and
removal of the sensor. About 12 inches clearance is recommended.
Figure 9 - Constant Head Flowcell Details