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permanently mounted. Under flowing liquid
conditions, adequate signal is indicated when the
Signal Strength indicates between 000125 and
000200 counts.
For proper operation, there cannot be air voids
between the traducer face and pipe. The space must
be filled with a material which is a good transmitter of
sound energy such as:
SILICONE GREASE: Dow Corning 111 R or
comparable (-100 to +450 F.) The material must be
suitable not to flow at temperature of pipe. Used for
temporary survey installations and portable flow
meters.
SILICONE RUBBER: Dow Corning 732-RTV R.
Excellent for permanent bonding. This adhesive is a
recommended bonding agent and easily removable.
INSTALLATION AND PIPE PREPARATION
The cable from the transducer is provided with
either dual-coaxial cables, flexible nylon conduit or
PVC coated steel conduit with a 1/2” NPT fitting. The
coaxial cable was ordered from the factory at a
specific length
UNDER NO CIRCUMSTANCES
should the coaxial cable be lengthened as this
may de-tune the circuitry and influence
performance
.
Installation of the small-pipe transducers follow the
same procedures as the standard pipe type. The only
difference is that the small pipe transducers utilize an
integral pipe clamping mechanism with two
opposing sensing heads and the standard pipe units
use a stainless steel strap.
PART 2 - TRANSDUCER INSTALLATION
Acoustic Couplant
Types
Small Pipe
Transducers