TK3P Series In-Line Paddle Wheel Flow Meter Sensor

Truflo TK3P

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The TK3P Paddle Wheel Flow Meter by Icon Process Controls is a stainless steel in-line sensor designed for industrial liquid flow measurement. With a 360° rotatable LED display, ±0.5% accuracy, and a frequency pulse output, it ensures precise monitoring in tough applications like water treatment.

Icon Process Controls TK3P Paddle Wheel Flow Meter with LED display for industrial flow measurement

Manufacturer: Icon Process Controls

Product Type: In-Line Paddle Wheel Flow Meter Sensor

Applications: Liquid flow measurement, filtration systems, water and wastewater monitoring, industrial liquid distribution, process skids, liquid consumption tracking, discharge verification

Key Features:

  • Precision TK3P Paddle Wheel Flow Meter for industrial applications

  • Industry-leading accuracy of ±0.5% for reliable measurements

  • 316SS body with Tefzel® paddle wheel and zirconium ceramic rotor

  • 360° rotatable vivid LED display showing flow rate and total

  • Frequency pulse output with optional RS485 for connectivity

  • Low-drag, fluid-dynamic paddle wheel design for durability

  • Life-time warranty on paddle assembly for long-term performance

Technical Specifications
Operating Range0.3 to 3 ft/s (0.1 to 10 m/s)
Pipe Size Range3/8″ to 12″ (DN10 to DN300)
Linearity±0.5% of FS @ 25°C (77°F)
Repeatability±0.05% of FS @ 25°C (77°F)
Sensor Body MaterialsPVC (Dark), PP (Pigmented), PVDF (Natural), 316SS
RotorPVDF, ECTFE, 316SS
Rotor Pin, BushingsZirconium Ceramic (ZrO2)
Sensor SealETFE Tefzel®
Frequency Range40 Hz per ft/s nominal | 15 Hz per ft/s nominal
Supply Voltage5 to 24 VDC unregulated | 20 mA @ 6 to 26 VDC
Supply Current≤15 mA @ 3.15 to 6 VDC
Max Temp / Pressure PVC: 180 PSI @ 68°F | 40 PSI @ 140°F
PP: 150 PSI @ 68°F | 100 PSI @ 140°F
PVDF: 200 PSI @ 68°F | 80 PSI @ 300°F
316SS: 290 PSI @ 68°F | 180 PSI @ 300°F
Operating Temperature PVC: 32°F to 140°F (0°C to 60°C)
PP: -4°F to 176°F (-20°C to 80°C)
PVDF: -40°F to 300°F (-40°C to 150°C)
316SS: -40°F to 300°F (-40°C to 150°C)
OutputsNPN Pulse | RS485
DisplayLED Flow Rate + Flow Totalizer
Standards and ApprovalsUL Rec., CE, RoHS Compliant
Model Selection – PVC
Size End Connection Part Number
1/2″NPTTKX-P-5-NP
3/4″NPTTKX-P-7-NP
1″NPTTKX-P-10-NP
1 1/2″NPTTKX-P-15-NP
2″NPTTKX-P-20-NP
3″NPTTKX-P-30-NP
4″NPTTKX-P-40-NP
6″FlangedTKX-P-60-F
10″FlangedTKX-P-100-F

Model Selection – PP
Size End Connection Part Number
1/2″NPTTKX-P-5-PP
3/4″NPTTKX-P-7-PP
1″NPTTKX-P-10-PP
1 1/2″NPTTKX-P-15-PP
2″NPTTKX-P-20-PP
3″NPTTKX-P-30-PP
4″NPTTKX-P-40-PP
6″FlangedTKX-P-60-F

Model Selection – PVDF
Size End Connection Part Number
1″NPTTKX-P-10-K
1 1/2″NPTTKX-P-15-K
2″NPTTKX-P-20-K
3″NPTTKX-P-30-K
4″NPTTKX-P-40-K

Model Selection – 316 SS
Size End Connection Part Number
1/2″NPTTKX-P-5-SS
3/4″NPTTKX-P-7-SS
1″NPTTKX-P-10-SS
1 1/2″NPTTKX-P-15-SS
2″NPTTKX-P-20-SS