Before installation or removal, ensure to de-pressurize and vent
the system. Confirm chemical compatibility before use. Do not
exceed maximum temperature or pressure specifications. Always wear
safety goggles or face-shield during installation and/or service.
Do not alter product construction.

Installation Warnings

Pressurized System Warning: Vent the system
prior to installation or removal to prevent equipment damage or
injury.
Pressurize System Warning: Ensure the sensor
is not pressurized before working on it to avoid equipment damage
or injury.

Installation Guidelines

The TK Series can be installed in a horizontal or vertical
direction. Maintain a minimum of 10x pipe diameters upstream and 3x
pipe diameters downstream. Use a Bag Filter or Y Strainer Filtering
Device upstream to protect the paddle wheel from damage by solids
or fibers.

Avoid intensified turbulent flow that can affect readings by
ensuring enough length of straight pipe. Do not flush the pipe with
compressed air after installing the Flow Meter as it may damage the
ceramic shaft and void the warranty.

Product Description

The TK Series in-line plastic paddle wheel flow meter is
designed for accurate flow measurement in tough industrial
applications. Features include M12 Quick Connection, True Union
Design, High Impact Enclosure, and Bright LED Display for flow
monitoring.

The TK3S model offers a Flanged Connection, 316 Stainless Steel
construction, Sanitary Connection, and Zirconium Ceramic Rotor with
Bushings for increased wear resistance and longevity compared to
regular ceramic designs.

FAQ

Q: Can the flow meter be installed vertically?

A: Yes, the TK Series can be installed in a horizontal or
vertical direction.

Q: What is the maximum operating pressure?

A: The maximum operating pressure is 150 Psi (10 Bar) at ambient
temperature, non-shock conditions.

Q: What precautions should be taken during installation?

A: Ensure to de-pressurize and vent the system before
installation or removal, confirm chemical compatibility, wear
appropriate protective gear, and maintain proper pipe lengths and
filtering devices as specified in the manual.

“`

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor
Quick Start Manual

Read the user’s manual carefully before starting to use the unit. Producer reserves the right to implement changes without prior notice.

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor

Safety Information
De-pressurize and vent system prior to installation or removal Confirm chemical compatibility before use DO NOT exceed maximum temperature or pressure specifications ALWAYS wear safety goggles or face-shield during installation and/or service DO NOT alter product construction

Warning | Caution | Danger
Indicates a potential hazard. Failure to follow all warnings may lead to equipment damage, injury, or death.
Note | Technical Notes
Highlights additional information or detailed procedure.

Personal Protective Equipment (PPE)
Always utilize the most appropriate PPE during installation and service of Truflo® products.
Pressurized System Warning
Sensor may be under pressure. Take caution to vent system prior to installation or removal. Failure to do so may result in equipment damage and/or serious injury.

Please ensure that the Instruments are not to be subject to water hammer or pressure spikes! Always Pressure Test System with H2O Prior to Initial Start-Up
Before installation be certain the appropriate instrument has been selected considering operating pressure, full scale pressure, wetted material requirements, media compatibility, operating temperature, vibration, pulsation, desired accuracy and any other instrument component related to the service application including the potential need for protective attachments and/or special installation requirements. Failure to do so could result in equipment damage, failure and/or personal injury. Ensure only qualified personnel are permitted to install and maintain this instrument.
Pressurize System Warning
Sensor may be under pressure, take caution to vent system prior to installation or removal. Failure to do so may result in equipment damage and/or serious injury.
Please Ensure Full Pipe
TK Series can be installed in a horizontal or vertical direction. Please ensure enough length of straight pipe to avoid intensified turbulent flow that can effect readings.
Min 10x Pipe Diameters Upstream 3x Pipe Diameters Downstream (See Page 10)
A Bag Filter or Y Strainer Filtering Device upstream to Avoid the Paddle Wheel from being damaged by the solids or fibers – max 10% Particle Size – Not to Exceed .5mm Cross Section or Length. Please do not flush the pipe after the Flow Meter is installed with compressed air this may damage the ceramic shaft and will void warranty.

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor

Product Description
TKS
The TK Series in-line plastic paddle wheel flow meter has been engineered to provide long-term accurate flow measurement in tough industrial applications.

The paddle wheel assembly consists of a engineered Tefzel® paddle and micro-polished zirconium ceramic rotor pin and bushings. High performance Tefzel® and Zirconium materials have been selected due to their excellent chemical and wear resistant properties.

M12 Quick Connection

Rotates 360º

True Union Design High Impact Enclosure
Bright LED Display (Flow)

New ShearPro® Design
? Contoured Flow Profile ? Reduced Turbulence = Increased Longevity ? 78% Less Drag than Old Flat Paddle Design*
*Ref: NASA “Shape Effects on Drag”

TK3S

Tefzel® Paddle Wheel ? Superior Chemical And Wear Resistance vs PVDF

Flanged Connection
316 Stainless Steel
Sanitary Connection

Zirconium Ceramic Rotor | Bushings
? Up to 15x the Wear Resistance vs Regular Ceramic ? Integral Rotor Bushings Reduce Wear
and Fatigue Stress

ShearPro® Through-Pin Design
? Eliminates Finger Spread ? No Lost Paddles ? Increased Temp. Rating ? 360° Housing Protects Rotor

vs. Flat Paddle

Finger Spread = LOST Unprotected Rotor

TKS
Thermal Plastic

vs. Competitor `A’
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TK3S
316 SS

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor

Technical Specifications

General

Operating Range

0.3 to 33 ft/s

0.1 to 10 m/s

Pipe Size Range

¼ to 4″ **

DN08 to DN100

Linearity

±0.5% of F.S @ 25°C | 77°F

Repeatability

±0.5% of F.S @ 25°C | 77°F

Fluid

Water or Chemical Liquid-Viscosity Range: .5-20 centistokes

Flow Velocity

10 m/s max.

Low Cut

0.3 m/s min.

Operating Pressure

150 Psi (10 Bar) @ Ambient Temp |Non-Shock

Range Ability

10 : 1

Response Time

Real Time

Flow Total Meter

Range = 0~999999 ; Unit = Gallon or Liter or Ton (KL) Selectable

Repeatability

Range = 0.0~999.9 ; Unit = GPM or LPM or CMH Selectable

Accuracy

± 0.5% of F.S. @ 25°C

Wetted Materials

Sensor Body

PVC (Dark) | PP (Pigmented) | PVDF (Natural) | 316 SS

O-Rings

FKM | EPDM* | FFKM*

Rotor Pin | Bushings

Zirconium Ceramic | ZrO2

Paddle | Rotor

ETFE Tefzel®

Electrical

Frequency

49 Hz per m/s nominal

15 Hz per ft/s nominal

Supply Voltage

9 to 30 VDC ±10% regulated

Supply Current

<1.5 mA @ 3.3 to 6 VDC

<20 mA @ 6 to 24 VDC

Max. Temperature/Pressure Rating Standard and Integral Sensor | Non-Shock

PVC

180 Psi @ 68°F | 40 Psi @ 140°F

12.5 Bar @ 20°C | 2.7 Bar @ 60°C

180 Psi @ 68°F | 40 Psi @ 190°F

12.5 Bar @ 20°C | 2.7 Bar @ 88°C

PVDF

200 Psi @ 68°F | 40 Psi @ 240°F

14 Bar @ 20°C | 2.7 Bar @ 115°C

316 SS

200 Psi @ 180°F | 40 Psi @ 300°F

14 Bar @ 82°C | 2.7 Bar @ 148°C

Operating Temperature

PVC PP PVDF 316 SS

32°F to 140°F -4°F to 190°F -40°F to 240°F -40°F to 300°F

0°C to 60°C -20°C to 88°C -40°C to 115°C -40°C to 148°C

Outputs

NPN Pulse | 1 Amp Relay

Display

LED | Flow Rate

Standards and Approvals

UL | CE | FCC | RoHS Compliant See Temperature and Pressure Graphs for more information

*Optional ** ¼” – ” SS Only

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor

Exploded View
1
2

3 4

PC Cover

TKS Controller

Rotor Assembly

Body – PVC | PP | PVDF

Rotor Pin

Rotor Bushing

ShearPro® Paddle Wheel

Reinforced Inserts

2″

1/2″ Same Controller | Rotor Assembly for All Sizes

Wiring Diagram

TKS – NPN Pulse | Relay

TKS Flow Meter Output Circuit

Brown Black Grey White Blue

Load
1 AMP

+VDC NPN
NO COM
0V

Wire Color Brown Blue Black White Grey

Description + 10~30VDC
-VDC Flow Rate Pulse Output (OP1)
COM NO

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor

Programming

STEPS

Home Screen

3 Sec.

Lock Settings

K Factor

Flow Unit

Pulse Output Control

Alarm Mode Setting

Alarm Output Delay

Select/Save/Continue

Move Selection Left

DISPLAY

OPERATION

Home Screen

Change Digit Value

Lock Settings Factory Default: Lk = 10 Otherwise meter will enter Lockout Mode*
K Factor Value Enter K Factor value depending on pipe size. Refer to Page 7 for K-Factor Values
Flow Unit Ut.0 = Liter | Ut.1 = Gallon (Factory Default) | Ut.2 = Kiloliters
Pulse Output Control Con.E = One Pulse/Gal (Factory Default) Con.F = Paddle Pulse Frequency Max 5 KHZ
Alarm Mode Setting Factory Default: ALt = 0 Range: 0~3 | Refer to Alarm Mode Selection ( See below)
Alarm Output Delay Factory Default: t = 20 Range: 01 ~ 99 Secs

Alarm Mode Selection

ALt No.
ALt = 0 ALt = 1

Description CV SV — Relay ON | CV < [SV – d] — Relay OFF CV SV — Relay ON | CV > [SV + d] — Relay OFF

ALt = 2 [SV + d] CV [SV – d] — Relay ON : CV > [SV + d] or CV < [SV – d] — Relay OFF

ALt = 3

[SV + d] CV [SV – d] — Relay OFF: CV > [SV + Hys] or CV < [SV – d] — Relay ON

d = Hysteresis — Acts like a buffer ± around Alarm Set Point

CV: Current Value (Flow Rate) | SV = Set Value

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor

Programming Relay

STEPS

Home Screen

3 Sec.

Relay Set Point

Select/Save/Continue

Move Selection Left

DISPLAY

OPERATION

Home Screen

Enter Relay Set Point Factory Default: 100 Range: 0 ~ 999.9

Change Digit Value

Hysterisis

Enter Hysterisis Value Factory Default: 1.0 Range: 0 ~ 99.9

K-Factors for TK Series (V1)

Size ¼” ” ½” ¾” 1″ 1½” 2″ 3″ 4″

LPM 547 300 127.6 81.8 55.1 18.8 10.2 4.7 2.1

GPM 2079 1140 484.9 310.8 209.4 71.4 38.8
18 8

K-Factor is Pre-Programmed

K-Factors for TK Series (V2)

Size ½” ¾” 1″ 1½” 2″ 2½”

K-Factor 127.6 81.8 55.1 18.8 10.2 6.0

Min/Max Flow Rates

Pipe Size (O.D.)

DN08 DN10 DN15 DN20 DN25 DN40 DN50 DN65 DN80 DN100

(¼”) (“) (½”) (¾”) (1″) (1½”) (2″) (2½”) (3″) (4″)

LPM | GPM 0.3m/s min.
0.6 | 0.16 1.8 | 0.48 3.5 | 1.0 5.0 | 1.5 9.0 | 2.5 25.0 | 6.5 40.0 | 10.5 60.0 | 16.0 90.0 | 24.0 125.0 | 33.0

LPM | GPM 10m/s max.
12 | 3 50 | 13 120 | 32 170 | 45 300 | 79 850 | 225 1350 | 357 1850 | 357 2800 | 739 4350 | 1149

SS Only SS Only

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor

Temperature | Pressure Graphs | Non-Shock
Note: The Pressure/Temperature graphs are specifically for the Truflo® Flow Meter Sensors.
During system design the specifications of all components must be considered.

= PVC

Bar Psi 15.2 220

13.8 200

12.4 180

11.0 160

9.7 140

8.3 120

6.9 100

5.5 80

4.1 60

2.8 40

1.4 20

ºF 68

104

ºC 20

= PP

140

175

= PVDF

212

248

100

120

Model Selection

Size ½” ¾” 1″ 1 ½” 2″ 3″ 4″

PVC
End Connections Sch 80 Soc Sch 80 Soc Sch 80 Soc Sch 80 Soc Sch 80 Soc Flanged Flanged

Part Number TKS-15-P TKS-20-P TKS-25-P TKS-40-P TKS-50-P TKS-80-P TKS-100-P

Add 1st Suffix (end connection): -T NPT End Connectors (on PVC) -B Butt Fused End Connections for PP or PVDF -F Flange ANSI 150lb – Consult Factory

Size ½” ¾” 1″ 1 ½” 2″ 3″ 4″

PP
End Connections NPT NPT NPT NPT NPT
Flanged Flanged

Add 2nd Suffix (seals):
FKM (std, no suffix required) -E EPDM Seals -K FFKM | Kalrez® Seals

Part Number TKS-15-PP TKS-20-PP TKS-25-PP TKS-40-PP TKS-50-PP TKS-80-PP TKS-100-PP

Size ½” ¾” 1″ 1 ½” 2″

PVDF
End Connections NPT NPT NPT NPT NPT

Part Number TKS-15-PF TKS-20-PF TKS-25-PF TKS-40-PF TKS-50-PF

PVC Socket Ends (Std) Note:
PP/PVDF NPT Ends (Std)

Size ¼” ” ½” ¾” 1″ 1 ½” 2″ 3″ 4″

316 SS
End Connections NPT NPT NPT NPT NPT NPT NPT NPT NPT

Part Number TK3S-08-SS TK3S-10-SS TK3S-15-SS TK3S-20-SS TK3S-25-SS TK3S-40-SS TK3S-50-SS TK3S-80-SS TK3S-100-SS

Add 1st Suffix (end connection): -T NPT End Connectors -SE Sanitary – Consult Factory for Pricing -F Flange ANSI 150lb – Consult Factory

Add 2nd Suffix (seals):
FKM (std, no suffix required) -E EPDM Seals -K FFKM | Kalrez® Seals

316SS PC

PVC

PP PVDF

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor
Dimensions
L 2.2

Pipe Size L (inch) D (inch) C (inch)

½” DN (15) ¾” DN (20) 1″ DN (25) 1½” DN (40) 2″ DN (50)

5.48 6.12 6.76 7.66 8.40

1.07 1.36 1.68 2.33 2.86

1.61 2.08 2.36 3.26 4.33

1.8

1.85

Procedure to Rotate Display

Flow Meter & Transmitter

OP2

FTM

OP1

GPM

D C

Flow Meter & Transmitter

OP2

FTM

OP1

GPM

OP2

FTM

OP1

GPM

Using an allen key loosen the 2 screws located on either side of the display.

Pull the Screws | Do Not Remove!

Lift the Display.

Flow Meter & Transmitter OP2 FTM OP1 GPM F
Flow Meter & Transmitter OP2 FTM OP1 GPM F
Flow Meter & Transmitter OP2 FTM OP1 GPM F

Lower Display.

Tighten Allen Screws | Snug Tight Do Not Over-Tighten!

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor
Installation Position

10x

CORRECT

INCORRECT

10x

CORRECT

INCORRECT

10x

INCORRECT

CORRECT

10x

INCORRECT

Please Ensure Full Pipe
TK Series can be installed in a horizontal or vertical direction. Please ensure enough length of straight pipe to avoid turbulence that can effect readings.
Note: Min 10x Pipe Diameters Upstream 3x Pipe Diameters Downstream.
A Plastic Basket Strainer, Bag Filter or Y Strainer Filtering Device upstream to Avoid the Paddle Wheel from being damaged by the solids or fibers – max 10% Particle Size – Not to Exceed .5mm Cross Section or Length. Please do not flush the pipe after the Flow Meter is installed with Compressed Air this may damage the ceramic shaft and will Void Warranty.

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Truflo® — TKS | TK3S Series
In-Line Paddle Wheel Flow Meter Sensor
Warranty, Returns and Limitations
Warranty
Icon Process Controls Ltd warrants to the original purchaser of its products that such products will be free from defects in material and workmanship under normal use and service in accordance with instructions furnished by Icon Process Controls Ltd for a period of one year from the date of sale of such products. Icon Process Controls Ltd obligation under this warranty is solely and exclusively limited to the repair or replacement, at Icon Process Controls Ltd option, of the products or components, which Icon Process Controls Ltd examination determines to its satisfaction to be defective in material or workmanship within the warranty period. Icon Process Controls Ltd must be notified pursuant to the instructions below of any claim under this warranty within thirty (30) days of any claimed lack of conformity of the product. Any product repaired under this warranty will be warranted only for the remainder of the original warranty period. Any product provided as a replacement under this warranty will be warranted for the one year from the date of replacement.
Returns
Products cannot be returned to Icon Process Controls Ltd without prior authorization. To return a product that is thought to be defective submit a customer return (MRA) request form and follow the instructions therein. All warranty and non-warranty product returns to Icon Process Controls Ltd must be shipped prepaid and insured. Icon Process Controls Ltd will not be responsible for any products lost or damaged in shipment.
Limitations
This warranty does not apply to products which: 1. are beyond the warranty period or are products for which the original purchaser does not follow the warranty procedures
outlined above; 2. have been subjected to electrical, mechanical or chemical damage due to improper, accidental or negligent use; 3. have been modified or altered; 4. anyone other than service personnel authorized by Icon Process Controls Ltd have attempted to repair; 5. have been involved in accidents or natural disasters; or 6. are damaged during return shipment to Icon Process Controls Ltd
Icon Process Controls Ltd reserves the right to unilaterally waive this warranty and dispose of any product returned to Icon Process Controls Ltd where: 1. there is evidence of a potentially hazardous material present with the product; 2. or the product has remained unclaimed at Icon Process Controls Ltd for more than 30 days after Icon Process Controls Ltd
has dutifully requested disposition.
This warranty contains the sole express warranty made by Icon Process Controls Ltd in connection with its products. ALL IMPLIED WARRANTIES, INCLUDING WITHOUT LIMITATION, THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE EXPRESSLY DISCLAIMED. The remedies of repair or replacement as stated above are the exclusive remedies for the breach of this warranty. IN NO EVENT SHALL Icon Process Controls Ltd BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND INCLUDING PERSONAL OR REAL PROPERTY OR FOR INJURY TO ANY PERSON. THIS WARRANTY CONSTITUTES THE FINAL, COMPLETE AND EXCLUSIVE STATEMENT OF WARRANTY TERMS AND NO PERSON IS AUTHORIZED TO MAKE ANY OTHER WARRANTIES OR REPRESENTATIONS ON BEHALF OF Icon Process Controls Ltd. This warranty will be interpreted pursuant to the laws of the province of Ontario, Canada.
If any portion of this warranty is held to be invalid or unenforceable for any reason, such finding will not invalidate any other provision of this warranty.

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Documents / Resources

Truflo TK3S Series In Line Paddle Wheel Flow Meter Sensor [pdf] User Manual
tks-15-pp-b-e, tks-40-p-e, TK3S Series In Line Paddle Wheel Flow Meter Sensor, TK3S Series, In Line Paddle Wheel Flow Meter Sensor, Paddle Wheel Flow Meter Sensor, Flow Meter Sensor, Meter Sensor, Sensor

References

User Manual

TK3S Series In Line Paddle Wheel Flow Meter Sensor

Product Information

Specifications

Product Usage Instructions

Safety Information

Installation Warnings

Installation Guidelines

Product Description

FAQ

Q: Can the flow meter be installed vertically?

Q: What is the maximum operating pressure?

Q: What precautions should be taken during installation?

Documents / Resources

References

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