Veris SDI Installation Instructions
SDI Series
Insert Style Flow Sensors
Installation &
Operation Manual
BadgerMeter, Inc.
PN# 72034
1-09 Rev B8
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Introduction
The Data Industrial SDI Series impeller ow sensor offers unparalleled performance for liquid ow measurement in closed pipe
systems in an easy to install economical package. Impeller sensors
offer a quick response to changes in ow rate and are well suited to
ow control and batch type applications in addition to ow monitoring. The new four-bladed impeller design is rugged, non-fouling and
does not require custom calibration.
Coupled with the proprietary patented digital detection circuit, the
sensor measures ows from under 0.3 feet per second to over
20 fps regardless of the conductivity or turbidity of the liquid. The
standard frequency output produces a low impedance square wave
signal proportional to ow rate that may be transmitted up to 2000
feet without amplication. Models are available to measure ow in
one or both directions.
All SDI insert sensors are mounted on the pipe using a 1” tap. As
with any insert sensor, a pipe saddle or weld-on tting is preferred
over a service tee because it causes fewer disturbances to the ow.
Models Available
Direct insert sensor models are installed in piping congurations
that are not in service or under pressure.
Hot tap insert sensor models feature isolation valves and mounting hardware to install or remove the sensor from a pipeline that
would be difcult to shut down or drain. In a true “hot tap” installation the sensor is mounted in the pipe under pressure by attaching
a service saddle or weld-on tting to the pipe and mounting the
isolating valve and nipple to the threaded connection. A hole is then
cut in the wall of the pipe through the valve using a commercial tapping machine with a 1” size cutter. Once the hole is cut, the tapping
machine is removed and the valve is shut. Then the sensor assembly is mounted to the isolation valve and extended into the pipeline
to measure ow.
Even in new construction a hot tap sensor may be appropriate for
service considerations.
The small stem diameter allows the sensor to be inserted into the
pressurized pipeline by hand without the need for an installation
tool. The mounting hardware holds the sensor rmly in place at the
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correct depth and alignment.
SDI Series Hot Tap Ordering Matrix
SDI 0 H1 N 0 0 - 0 2 0 0
Material
Stainless Steel/PPS Tip 0
Stainless Steel/PEEK Tip 2
Type
Hot Tap for Pipe 1-1/2" thru 10" * H1
Hot Tap for Pipe 12" thru 36" * H2
Hot Tap for Pipe 36" and UP* H3
Electronic Housing
NEMA 4X N
Output
Standard Frequency Pulse 0
Analog 4-20mA 1
Scaled Pulse 2
Bi-Directional, 4-20mA + Direction [PPS tip Only] 5
Bi-Directional, Scaled Pulse [PPS tip Only] 6
Display
No Display 0
LCD Option [not available with output option 0] 1
O-Ring
Viton
®
0
Shaft
Tungsten Carbide [Standard] 2
Hastelloy
®
C-276 [optional - consult factory] 1
Zirconia Ceramic [optional - consult factory] 0
Impeller
Stainless Steel 0
Bearing
Torlon
®
0
*Pipe size for reference only-Depending on pipe material, tapping saddle, or existing
hardware, longer sensor length may be required. Consult Factory
SDI Series Direct Insert Ordering Matrix
SDI 0 D1 N 0 0 - 0 2 0 0
Material
Stainless Steel/PPS Tip 0
Brass/PPS Tip 1
Stainless Steel/PEEK Tip 2
Type
Direct Insert for Pipe 1-1/2" thru 10" * D1
Direct Insert for Pipe 12" thru 36" * D2
Direct Insert 36" and UP* D3
Electronic Housing
NEMA 4X N
Output
Standard Frequency Pulse 0
Analog 4-20mA 1
Scaled Pulse 2
Display
No Display 0
LCD Option [not available with output option 0] 1
O-Ring
Viton
®
0
Shaft
Tungsten Carbide [Standard] 2
Hastelloy
®
C-276 [optional - consult factory] 1
Zirconia Ceramic [optional - consult factory] 0
Impeller
Stainless Steel 0
Bearing
Torlon
®
0
*Pipe size for reference only-Depending on pipe material, tapping saddle, or existing
hardware, longer sensor length may be required. Consult Factory
Electronic Outputs
Standard Frequency
Sensor output is a pulse proportional to ow. The
signal is similar to all 200 Series Data Industrial
ow sensors and will interface with all existing
Data Industrial transmitters and monitors. The
power supply to the sensor and the output signal
from the sensor is carried on the same two wires.
Wire connections are made at screw terminals on
removable headers inside the NEMA 4X housing.
Analog Output
The Sensor is also available with a two-wire loop
powered 4-20 mA output. The analog output is
produced by an on-board micro-controller for
precise, drift-free signals. The unit is programmed
from a computer using Windows based software
and a Data Industrial A-301 connection cable.
Units may be pre-programmed at the factory or
eld programmed. All information is stored in
non-volatile memory in the ow sensor.
Scaled Pulse Output
The scaled pulse is produced by an on-board
micro-controller for precise, accurate outputs.
This option may be programmed to produce
an isolated dry contact closure scaled to any
number of engineering units of measure.
Sensors may be pre-programmed at the factory
or eld programmed using a Data Industrial
A-301 connection cable and a Windows based
software program. All information is stored in
non-volatile memory in the ow sensor. This is a
four-wire option.
Bi-directional Flow- Analog Output
This option provides a programmable 4-20 mA
signal proportional to ow rate and a contact
closure to indicate the direction of ow. All
programming is accomplished as previously
mentioned. The user can program the unit for
pipe size, ow scale and the direction of ow.
This is a six-wire option.
Bi-directional Flow- Scaled Pulse Output
This option provides the user with a choice
of outputs. In one case the sensor provides
an output scaled to the required number of
engineering units on one set of terminals and a
contact closure to indicate the direction of ow on
another. The other choice provides two isolated
scaled pulse outputs, one for each direction.
Programming the output choice, pipe size, output
scale and direction of ow by the user are also
accomplished by using a PC with Data Industrial
software and A-301 connection cable. This option
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Display Options-
5 x Pipe Dia
DATA INDUSTRIAL
SDI Series Sensor
10 x Pipe Dia
FLOW
All models except the standard frequency output version may also be equipped with a display. Integrated into the
NEMA 4 housing, the 8 digit LCD may be programmed to show rate of ow, ow total or toggle between the two. Bidirectional models also show ow direction.
Mechanical Installation
The accuracy of ow measurement for all insert type ow measuring devices is highly dependent on proper location
of the sensor in the piping system. Irregular ow velocity proles caused by valves, ttings, pipe bends, etc. can lead
to inaccurate overall ow rate indications even though local ow velocity measurement may be accurate. A sensor
located in the pipe that is partially full or where it can be affected by air bubbles, oating debris, or sediment may not
achieve full accuracy and could be damaged.
Data Industrial ow sensors are designed to operate reliably under adverse conditions, but the following
recommendations should be followed to ensure maximum system accuracy:
1) Choose a location along the pipe where there is straight pipe for a distance of 10 pipe diameters upstream and 5
pipe diameters downstream of the sensor. Pipe bends, valves, other ttings, pipe enlargements and reductions or
anything else that would cause a ow disturbance should not be present in this length of pipe.
2) The recommended tap location around the circumference of a horizontal pipe is on top. If trapped air or debris will
interfere, then the sensor should be located around the pipe from the top preferably not more than 45 degrees
from top dead center. The sensor should never be located at the bottom of the pipe, as sediment may collect
there. Locations off top dead center cause the impeller friction to increase, which may affect performance at low
ow rates. Any circumferential location is correct for installation in vertical pipes.
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Pipe Saddle
(ref.)
Mounting
Adapter
Gasket
(ref)
15 3/4” *
4.23”
0.660”
Handtight Engagement + Wrench Makeup
Per ANSI/ASME B1.20.1-1993, R1992
* Pipe Sizes for reference only - Depending on pipe material, tapping
saddle, or existing hardware longer sensor length may be required Contact Factory.
3) Insertion depth is critical to accuracy. The algorithm used to convert impeller motion into ow was developed
through ow tests in an independent calibration laboratory. The impeller must be located in the same position in
the pipe as it was in the calibration test for the impeller frequency to accurately describe the same liquid velocity.
Detailed installation instructions on the following pages include methods for ensuring correct insertion depth.
4) Alignment of the sensor is also important. The impeller shaft must be perpendicular to the ow for accuracy.
Alignment instructions are also included on the following pages.
also requires six wires.
Installation for Direct insert models
These instructions are for the installation of ow sensors
into piping systems that are not under pressure at the time
of installation. If the line must be tapped under pressure, a
hot tap style sensor must be used. See following section
for hot tap installation instructions.
The insertion depth and alignment of the sensor are critical to the
accuracy of the ow measurement. The impeller must be at the
same location in the pipe as it was during calibration. Data Industrial
provides sensors with different stem lengths. Longer stems are
intended for use in larger diameter pipes and shorter stems for use in
smaller pipelines. However stem length has no affect on the operation
of the sensor provided that the impeller is positioned correctly in the
pipe.
Direct insert models are available in one stem length designated
D1. They are intended for nominal pipe diameters from 1 1/2” to 10”.
However, pipe with extra thick walls, existing linings, or unusual tapping hardware may require longer length sensors - Consult factory.
For larger pipe sizes hot tap style sensors equipped with an isolation
valves are recommended.
The preferred method of installation is by means of a saddle with 1”
NPT outlet. On steel pipelines a weld-on type tting may be substituted.
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Pipe Saddle
(ref.)
Mounting
Adapter
Gasket
(ref)
Stem
Stem Collar
Hex Cap
Cover
1. Attach the saddle to a section of pipe that has at least 10 diameters
Straight Edge Parallel to Pipe
Pipe Pipe
SDI
Flow Sensor
of straight pipe ahead and ve diameters of straight pipe behind the
saddle. Drill a minimum 1 1/8” diameter hole in the pipe.
2. Remove the sensor assembly from the mounting hardware by loosening
the hex cap over the stem collar and the cover to the mounting adapter
and detaching the assembly. Set aside taking care not to damage impeller/shaft assembly.
3. Attach the pipe thread end of the mounting adapter to the saddle/weld-
o-let using a pipe joint compound and tighten the joint. Do not apply
sealing compound to the top thread of the mounting adapter. It is sealed
with an o-ring.
4. The sensor rotor assembly is to be located a xed distance from the
center of the pipe. To position the impeller at this depth, a reference
measurement for the pipe size and schedule is used. Look up the pipe
size and schedule number in Table A and note the reference number.
Next, measure from the outside wall of the pipe to the top of the installed
mounting adapter “B” in Figure 3. Add this number to the reference measurement.
The resulting number, “C” in Figure 4 is the distance from the recess of
the sensor tip to the bottom of the stem collar. Insert the metal tab of
a tape measure into the recess of the ow sensor tip. Extend the tape
up the stem and mark the shaft with a pencil. Slide the collar along the
shaft until its bottom surface is at the mark on the stem. Tighten the cap
screw on the collar. When the sensor is reassembled, this will set the
insertion depth of the sensor.
5. Attach the sensor to the mounting adapter by gently pushing the ow
sensor into the mounting adapter until the cover touches the mounting
adapter. Tighten the cover against the o-ring seal. This will seal the
sensor assembly.
6. Continue to insert the ow sensor stem until the stem collar meets the cover. Thread the hex cap onto the mount-
ing adapter but don’t tighten. Align the ow sensor with the pipe by using the at cover on the electronics housing as a guide. Place a straightedge along the cover and rotate the sensor until the straightedge is parallel with
the pipe. Tighten the hex cap over the collar approximately 10 foot pounds. The hex cap holds the sensor alignment but performs no sealing functions. DO NOT OVERTIGHTEN.
7. Pressurize pipeline and check for leaks.
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H1=19” *
H2=21½” *
H3=27½” *
7.85”
7 ¾”
2 27/32”
4 11/32”
* Pipe Sizes for reference only - Depending on pipe material, tapping
saddle, or existing hardware longer sensor length may be required Contact Factory.
Installation for Hot tap models
Ball Valve
Stem Collar
Bottom of Housing
Stem
Hex Cap
Cover
Measure Insertion
Depth From Here
The insertion depth and alignment of the sensor are critical to the accuracy of the ow measurement. The impeller
must be at the same location in the pipe as it was during calibration. Data Industrial provides sensors with three different stem lengths. Longer stems are intended for use in larger diameter pipes and shorter stems for use in smaller
pipelines. However stem length has no affect on the operation of the sensor provided that the impeller is positioned
correctly in the center of the pipe.
Stem length H1 is intended for use in nominal pipe diameters from 1 1/2” to 10”, H2 is for nominal pipe diameters from
12” to 36”, and stem length H3 is for nominal pipe diameters from 36” and up. However, pipe with extra thick walls,
existing linings, or unusual tapping hardware may require longer length sensors - Consult factory.
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The preferred method of installation is by means of a saddle with 1” NPT out-
Pipe Saddle
(ref.)
Gasket
(ref)
Ball Valve
Stem Colla
r
Stem
Hex Cap
Cover
Pipe Saddle
(ref.)
Gasket
(ref)
Ball Valve
let. On steel pipelines a weld-on type tting may be substituted.
1. Attach the saddle to a section of pipe that has at least 10 diameters of
straight pipe ahead and ve diameters of straight pipe behind the saddle.
2. Remove the sensor assembly from the mounting/isolation valve by
loosening the hex cap over the stem collar and the cover to the mounting/
isolation valve and detaching the assembly. Set aside taking care not to
damage impeller/shaft assembly.
3. Attach the pipe thread end of the valve to the saddle using a pipe joint
compound and tighten the joint. Do not apply sealing compound to the top
thread of the valve. It is sealed with an o-ring.
4. Attach the tapping adapter, Data Industrial part number A-1027 to the top
of the valve.
5. Any pipe tapping machine with a 1” pipe thread connection may be used.
Use a cutter appropriate for the pipe material being tapped.
6. Attach the tapping machine to
the tapping adapter. Ensure
that all connections and seals
are tight.
7. Slowly open the valve by
rotating the handle 90° and lower the cutter past the valve ball to
the pipe. Drill the 1” nominal hole according to the manufacturer’s
instructions. Withdraw the cutter past the valve ball, close the valve
and remove the tapping tool.
8. Remove the Data Industrial tapping adapter from the top of the
valve.
9. The sensor rotor assembly is to be located a xed distance from the
center of the pipe. To position the impeller at this depth, a reference
measurement for the pipe size and schedule is used. Look up the
pipe size and schedule number in Table A and note the reference
number. Next, measure from the outside wall of the pipe to the top
of the ball valve “B” in Figure 8. Add this number to the reference
measurement.
The resulting number is the distance from the recess of the sensor
tip to the bottom of the stem collar “C” in Figure 9. Insert the metal
tab of a tape measure into the recess of the ow sensor tip. Extend
the tape up the stem and mark the shaft with a pencil. Slide the
collar along the shaft until its bottom surface is at the mark on the
stem. Tighten the cap screw on the collar. When the sensor is
reassembled, this will set the insertion depth of the sensor.
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