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3-7
1010BXFM-3
Section 3
3.3.5 SONIC COUPLING COMPOUND RECOMMENDATIONS
Clamp-on transducers must be in close contact with a smooth surface free of paint, etc. You
must use a sonic couplant to properly couple the transducer to the pipe. The sonic couplant
material fills voids between the transducer and pipe and allows a uniform transfer of sonic
energy into the pipe wall. The following table lists the sonic couplants recommended by
Controlotron.
Notice:
Controlotron holds US Patent Number 4,929,368 on the CC#122 Coupling Compound
and all compounds of this type. Its use is restricted to Controlotron products only, un-
less a special license has been obtained. Licenses for use with other products are avail-
able through the Controlotron Sales Department.
ITEM CC#
USE
CHARACTERISTICS
1
101 Temporary and portable use on Clamp-on
Low in halogens and
flow transducers. Temp. range: -40°F to 100°F. sulfur content.
2
102 Temporary and portable use for all Clamp-on
Low in halogens and sulfur
flow transducers. Well suited for survey use.
content. Water soluble.
Temp. range: -30°F to 100°F.
3
109 Temporary and portable use for all Clamp-on
Low viscosity Petroleum
flow transducers. Temp. range: -40°F to 300°F. product.
4
110 High temp. temporary couplant to be used
Resists breakdown and
when setting up high temp. plastic flow trans- thinning out at high
ducers. Temp. range: 255°F to 450°F.
temperatures.
5
111 Permanent high temp. couplant for plastic flow Room temperature vulcan-
transducers. Temp. range: 255°F to 450°F.
izing silicone rubber.
6
112 Permanent ambient temperature couplant for Room temperature vulcan-
plastic flow transducers. Temp. range: -40°F
izing silicone rubber.
to 250°F.
7
113 Protective spray for providing corrosion resis- Spray on liquid. Excellent
tance to exposed transducer and track parts.
resistance to salt water
atmosphere.
8
114 Temporary and long term couplant for all flow Teflon filled grease.
transducer types. Temp. range: -40°F to 255°F. Water resistant.
9
117 Long term and permanent couplant for
Silicone grease loaded with
Clamp-on transducers. Temp. range: -40°F to
metal oxides. Resists Break-
450°F.
down and thinning at high
temperatures.
10
120 Submersible couplant. To be used on all sub-
Extremely water resistant.
merged transducer applications.
Consult Controlotron
before using.
11 122 Long term and permanent couplant for Clamp- Long chain polymer
on transducers. Temp. range: -40°F to 450°F.
grease. Resists breakdown
and thinning at high temp-
eratures.
12
124 Long term and permanent couplant for Clamp- Two part room temper-
on transducers. Temp. range: -40°F to 250°F. ature cure adhesive.
13
128 Temporary and long term couplant for all flow High viscosity silicone
transducer types. Temp. range: -40°F to 375°F. grease. Water resistant.
14
129 Adhesive backed Dry/Damping couplant
Viscoelastic polymer sheet.
129A for all flow transducer types.
Water resistant.
RECOMMENDED SONIC COUPLING COMPOUNDS
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