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Flow Totalizer

TK3B SERIES – Battery Operated Flow Rate + Flow Totalizer

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Battery Operated Version
Flow Rate + Totalizer
NPT or Sanitary Connections
316 Stainless Steel Body
±1% Accuracy
Heavy Duty Design
Zirconium Ceramic Rotor Pin and Bearings
Excellent Chemical Resistance


316 SS Body


End Connections

Part Number

1/4″ NPT TK3B-08-SS
3/8″ NPT TK3B-10-SS
½” NPT TK3B-15-SS
¾” NPT TK3B-20-SS
1″ NPT TK3B-25-SS
1 ½” NPT TK3B-40-SS
2″ NPT TK3B-50-SS

TK3B SERIES – Paddle Wheel Flow Meter |  Battery Operated Flow Rate + Flow Totalizer

The TK3B Series most accurate battery Operated Flow Rate + Flow Totalizer. NPT or Sanitary Connections with 316 Stainless Steel Body.

The TK Series offers many innovative improvements and new features that set it apart. It has an all plastic body and paddle assembly. It is available as a battery operated, or DC powered. The paddle assembly has been designed to withstand industry’s most difficult applications. The paddle wheel comprises a rotor pin and bearings/bushing that are located inside the paddle. The paddle wheel rotor pin and bearings are made from zirconium ceramic material and comes standard with a life-time warranty.

It has the added functionality of various output options including a 1 (one)-amp programmable flow switch relay, multi-functional frequency pulse, 4 to 20 mA output signal as well as an optional RS485 communication feature. In addition, the TK Series paddle wheel flow meter can be supplied with no display, or a LED display, accuracy of 0.5% and is an excellent low-cost solution for corrosive liquids.

The TK3B Series paddle wheel flow meters offer low flow, low power consumption and high resolution and comes factory preprogramed, any additional configurations can be done directly through the built-in user interface located on the flow meter. The true union body design/ ANSI flange design makes for simple installation, no special fittings are required.


Operating Range:  (0.3 ft/s to 33 ft/s)
Accuracy: ±0.5% (TKB, TKR Series ) of max range at 25°C (77°F) 1% accuracy for TK Series
Repeatability: ±0.5% of max range at 25°C (77°F)
System Response: 100 ms update rate nominal

Power Requirements: TKB – 3V Battery, TK/TKR Series10-30VDC

Wetted Materials
Sensor Body: PVC, Polypropylene (PP), PVDF, 316 SS(depending on model)
O-Ring: FPM (Standard) EPDM (Optional)
Rotor Pin:
Zirconium Ceramic: (All models)
   Zirconium Ceramic– ( All Models)