ATI Q46H/85 PAA System Part 3 – Sensor/Flowcell Mounting
18
O&M Manual
Rev F (8/17)
3.4 Submersion Mounting
Some applications are much easier done using the submersible sensor. This method can
sometimes be used where flow is reasonably constant, and hydraulic head does not vary
appreciably. PAA sensors can never be used in completely stagnant conditions. A flow velocity
of at least 0.3 feet per second is normally required for measurement. Any applications for a
submersible PAA sensor should first be discussed with ATI. A trial of such installations may be
necessary.
Submersible sensors are mounted to a 1" pipe using a standard 1" PVC thread by thread pipe
coupling. The mounting pipe can be secured to standard 1½" pipe rail using a mounting bracket
kit available from ATI (part number 00-0628) as shown in Figure 12 - Submersible Sensor Mounting
Assembly
.
SENSOR CABLE
2" HANDRAIL
1" ALUMINUM CONDUIT, THREADED1" T x T PVC COUPLING
ONE END OR 1" SCHED 80 PVC PIPE
LENGTH AS REQUIRED
(SUPPLIED BY CUSTOMER)
SWIVEL MOUNTING BRACKET WITH
HARDWARE, SUPPLIED BY ATI
SUPPLIED BY ATI
SENSOR, TYPICAL
2 - 3 FT. SUBMERGENCE
Figure 12 - Submersible Sensor Mounting Assembly
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