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4 Installation
4.1 Submersed Floating Installation
The ST-772 sensor may be installed in a submersed floating application using the MA-150-1 Submersion
Adapter Mounting Bracket and Ball Float and the MA-150-3 Floating Submersion Pipe Assembly. The ST-
772 dissolved oxygen sensor needs to be installed as shown in Figure 1. For installation, users need to keep
the MA-150-1 and MA-105-3 assemblies in place permanently. For sensor replacement and maintenance,
users only need to pull the MA-150-3 and ST-772 sensor from fixing bracket vertically (upwards). Optional
MA-150-4 water-tight conduit for sensor wiring may be purchased if desired.
Figure 1. ST-772 in a submersed floating installation
4.2 Submersed Fixed Installation
The ST-772 sensor may be installed in a submersed fixed application using the MA-120-B Submersion Adapter
Mounting Bracket. The ST-772 dissolved oxygen sensor needs to be installed as shown in Figure 2. For in-
stallation, users need to keep the MA-120-B assembly in place permanently. For sensor replacement and
maintenance, users only need to pull the MA-120-B and ST-772 sensor from fixing bracket vertically (up-
wards).
ST-772/T User Manual service@pyxis-lab.com | +1 (866) 203-8397 6