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Chapter 1. General Installation Instructions
1.8 Mounting the Clamp-on Fixture and Transducer System
The AT600 transducer system includes one or two clamp-on fixtures, two transducers and one transducer
cable. One clamp-on fixture is shipped with both transducers installed and the transducer cable connected
to the transducers. This fixture is the default setup for most applications. If a second fixture has been
ordered, it is shipped empty.
Transducers available for use with the AT600 flow meter are listed in Table 1 below.
Model
AT6
1
CF-LP
UTXDR
2
C-RS
2
C-PT
1
Go directly to: "Installing a CF-ES Clamp-On Fixture and Transducer System" on page 20.
2
Go directly to: "Installing a General Clamping Fixture and Transducer System" on page 20.
The AT600 clamp-on fixture and AT6 transducer system can be installed on pipe sizes 2 in. (50 mm). For
optimum performance in any specific application, either a two-traverse or one-traverse installation can be
chosen. Because the maximum pipe size for a single clamp-on fixture is 250 mm for 2 MHz transducers or
320 mm for 1 MHz and 0.5 MHz transducers, the detailed installation requirements differ based on the
calculated transducer spacing and the chosen number of traverses. Refer to Table 2 below to find the
parameters for your specific configuration.
Pipe Size Range
mm
50 to 100
100 to 150
50 to 150
100 to 300
300 to 600
12 to 24
600 to 1500
24 to 60
200 to 300
300 to 900
12 to 36
>900
IMPORTANT: See "Sensor Setup" on page 66 to calculate the required transducer spacing. A two traverse
installation is recommended for most applications.
IMPORTANT: If there is any type of coating or protective layer on the outer pipe surface, it must be removed at
the locations where the transducers and couplant contact the pipe surface.
8
Table 1: Available Transducers
Frequency
2, 1, 0.5 MHz
4 MHz
4 MHz
1
1, 0.5 MHz
2, 1, 0.5 MHz
Table 2: AT600 Clamp-On Fixture Installation
Transducer
inches
Frequency (MHz)
2 to 4
4 to 6
2 to 6
4 to 12
8 to 12
0.5
0.5
>36
0.5
Fixture
AT600
CF-ES
SPCF
GCF
GCF
Number of
Traverses
2
4
2
2
2
1
1
2
1
2
1
1
2
2
1
Pipe Sizes
2 in. (50 mm)
0.5-2 in. (15-50 mm)
0.5-8 in. (15-200 mm)
2 in. (50 mm)
2 in. (50 mm)
Transducer Spacing
(mm)
32 to 250
32 to 250
0 to 250
50 to 320
320 to 940
>320
50 to 320
320 to 940
>320
AquaTrans™ AT600 User's Manual
Number of
Fixtures
1
1
2
1
2
2
1
2
2
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