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Quick Start Guide

3

May 2012

Mobrey MSP900SH/MSP900FH Submersion Shield

The Mobrey Submersion Shield (MSP-SUB2) is recommended for installations, 

e.g. wet wells, where a MSP900SH/MSP900FH transmitter may be at risk of being
flooded.

It is easily fitted over the transducer cup, but requires the transmitter to be kept 

firmly vertical so that flood water causes an air pocket and keeps the transmitter 
face clear. The transmitter can then function normally when the flood water 
subsides.

Figure 1 on page 2

 shows an example application with the submersion shield 

already fitted to a Mobrey MSP900SH/MSP900FH transmitter, which is then 
mounted on a Mobrey Head Verification Device.

Figure 2.  Features of the Mobrey Submersion Shield

A. PVC Submersion Shield (Medium Grey)
B. Silicone O-ring (Red)
C. Fluoroelastomer (FKM) O-ring (Dark Grey)
D. Foam (PVC/NITRILE)

Failure to follow these installation guidelines could result in death or serious injury

Make sure only qualified personnel perform the installation

Use the equipment only as specified in this manual. Failure to do so may impair the protection 

provided by the equipment

Electrical shock could cause death or serious injury

Make sure the main power to the transmitter is off and the lines to any other external power 

source are disconnected or not powered whilst installing the submersion shield

D

C

B

A

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