Georg Fischer 3350 Operating Manual
Signet 3350/3550 Ultrasonic Flowmeter
Mounting hole
130
70
140
170
(197)
Mounting
plat
e
ENT
ESC
Signet Ultrasonic Flowmeter
123.456 GPM
12345678 Gal
Caution: High Voltage
Turn off power before opening unit
Quick-Start Guide
3-3350.091
3-3350.091 A 11/05 English
This document contains the basic information required
to install the 3550 Ultrasonic Flowmeter and to begin the
measurement. Complete information and instructions can
be found in the 3-3350.090 Instruction manual.
This guide does not include information related to the setup
and use of the output features of the flowmeter.
The installation and startup of this flowmeter is divided into
seven steps. They are organized in the sequence they
should be completed:
1. Select a mounting location and method for the 3350
electronics.
2. Select a location and mount the 3550 strap-on sensor
assembly onto the pipe.
3. Connect the sensor cables and 24 VDC power to the
electronics terminals.
4. Navigate to the MEASURE SETUP menu and enter
the information for your pipe and fluid.
5. Record the PIPE PARAMETER number that is
displayed after the pipe and fluid information is
entered.
6. Position the two ultrasonic transducers at the spacing
indicated by the PIPE PARAMETER and secure them
in the frame.
7. Program the 3350 flowmeter electronics to reflect the
remaining application requirements.
Select a mounting location and method for the 3350 electronics.
The converter may be mounted on a wall or on a pipe
stand.
• For wall mounting, use two M8 bolts. Drill holes based
on the dimensions illustrated here.
• For pipe mounting, use the two U-bolts supplied with
the unit.
1.
A
ir tends to accumulate
May not completely be filled with liqui
d
May not
completely be
filled with liquid
Good
Good
Pump
2A.
Pipe
Horizontal
45°
45°
Weldment Weldment
We
lding is included
Off the Welding.
Av
oid Welding.Welding is partly involved.
Select a location for the 3550 strap-on sensor assembly.
The length of upstream and downstream straight pipe of the ultrasonic detector should be long enough to ensure accurate
measurements.
• The sensor can be installed
vertical, horizontal or at any
posture provided that attention
is paid to the following things.
• The piping must completely be
filled with fluid when it flows.
• In case of horizontal piping,
mount the detector within ±45°
from the horizontal plane.
Otherwise, the measurement
could be impossible if bubbles
stay in the upper part of piping
or if deposits are accumulated
in the lower part of piping.
• Use thinner, sandpaper,
etc., to remove and surface
corrosive, rust, etc, and to
make the surface. rust, pitch,
convex and concave from the
pipe surface free of pits and
distortions
• Do not mount the detector on
a distorted section of pipe, or
straddling a flange or weld
seam.
2
Signet 3350/3550 Ultrasonic Flowmeter
Mount the 3550 strap-on sensor assembly onto the pipe
• Handle the steel mounting belts carefully to avoid injury.
2B.
(1) Slide the spring fixture onto the stainless steel belt.
(3) Place the frame on a pipe smooth, clean section sub-
jected to a surface treatment (see fig. 3-4).
(2) Pass the stainless steel belt through 2 belt holes on the
frame.
(4) Temporarily tighten the first stainless steel belt on the
pipe (see fig. 3-5).
(5) Adjust the frame so it is parallel with the pipe, put the
spring fixture to the side of the frame and tighten the
stainless steel belt so that the frame will tightly be fitted.
Mounting on pipe whose diameter is 150A or larger,
connect 2 stainless steel belts (see fig. 3-6 and 3-7).
Signet 3350/3550 Ultrasonic Flowmeter
(6) After tightening both stainless steel belts, slide the
spring fixture to the opposite to the frame.
Note: Frame must be relocated, use new stainless steel
belts (see fig. 3-8).
3
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