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3-20
1010BXFM-3
Section 3
3.3.11 USING 1012T MOUNTING TRACKS
The 1012TP and 1012THP Mounting Tracks provide a rigid mounting platform for Series
1011 universal or high precision size A or B transducers. The mounting tracks service pipe
sizes up to a maximum of 5.00” (140 mm) outer diameter. Operating temperatures are sup-
ported up to 250°F (121°C). The assembly consists of lightweight aluminum track rails with
integral transducer clamping screws. Attached index pins enable positive locating of the
transducers at fixed spacing locations. Roller-chains and tension screws secure the assembly
to the pipe. The following instructions refer to 1011 universal transducers. Please refer to
Engineering Drawing 1012THP-7A for reflect mounting of high precision transducers and
1012THP-7B for direct mounting of high precision transducers.
The 1012T mounting tracks support both Direct and Reflect mounting modes. The flow com-
puter recommends the appropriate transducers, mounting track and mounting mode, based
on the pipe data entries. Refer to the instructions in paragraph 6.4 for details on the Trans-
ducer Installation procedure. If necessary, review paragraphs 3.3.2 through 3.3.4 for details
on how to select and prepare a mounting location on your pipe.
Installing a 1012T Mounting Track in Reflect Mode
Paragraph 2.4 describes the Transducer Installation procedures that lead up to the automatic
selection of transducers, mounting mode and spacing method. Examine the figure below, which
shows a typical Pick/Install Xdcr menu screen. Note the automatic assignment of model num-
bers for the transducer and mounting track, plus the designation of the number index
.
This example requires a Model 1012T Mounting Track to accommodate size B3 universal trans-
ducers. Note the reported number index. You will be inserting an index pin into this
hole on the track rail to position one of the transducers (see diagram on next page).
1. Perform all required menu steps up until the point where you respond to the [Install
Completed?] prompt. Note the reported number index. You will be inserting index pins
into this hole and the reference hole on the track rail (see diagram on next page). Check to
ensure that you have a matched set of transducers. They both should have the same S/N
number but marked with either an “A” or “B” (e.g., 100A and 100B).
Transducer Model
1011 Universal
Transducer Size
B3
Xdcr Mount Mode
Reflect
Spacing Offset
Minimum
Number Index
6
Spacing Method
Track 1012TP
Ltn Value (in)
0.581
Install Completed?
No
Empty Pipe Set
Channel Not Setup
Zero Flow Adjust
Channel Not Setup
Note selection of
type, size and
mounting mode.
Note selection of
mounting track part
number and number
index.
Controlotron 2 Channel [1] SITE1
Key [Install] after mounting transducers
Pick/Install Xdcr
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