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304SS Liquid Turbine Flow Meter, Pulse Output

1/2" Turbine Flow Meter, 304SS, Pulse Output, 6.6 GPM
  • RoHS Icon
  • CE Approved


Item# FTB-910-P

In stock

Lead Time (If not in stock): 5 weeks
1/2" Turbine Flow Meter, 304SS, Pulse Output, 6.6 GPM FTB-910-P FTB-910-P
  • The sensor is of hard alloy bearing thrust type, which mayguarantee the precision and improve the wear resistance performance as well.
  • Simple and firm structure easy for installation and dismantling.
  • Wide range of measuring with very low lower flow velocity limit.
  • Small loss of pressure fine repeat ability and high precision.
  • High resistance to electromagnetic interference and vibration.

FTB-910-P Model Options

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Flow Range
Max Operating Pressure
Process Connection Size
Media type
Output Signal
Max Process Temperature
Wetted Materials
Process Connection Type

  • Accuracy Value ±0.5%
  • Electrical Connection 2 m (6.6') cable length
  • Maximum Ambient Humidity 90% RH
  • Maximum Ambient Temperature 60°C (140°F)
  • Minimum Ambient Humidity 5% RH
  • Minimum Ambient Temperature -20°C (-4°F)
  • Output Signal Amplified Square Wave
  • Supply Voltage 12 to 24 Vdc

The FTB-900 Series is a low cost Liquid Turbine Flow Meter with an amplified square wave pulse output available in 12 sizes covering flow ranges between 0.176 to 880 GPM. The FTB-900 Series Turbine Flow Meters are designed to meet the demands of the most rigorous flow measurement applications. The meter features a 304 stainless steel housing and rotor support, CD4MCU stainless steel rotor, and abrasion-resistant tungsten carbide rotor shaft and 316SS bearings. These materials help the meter to maintain accuracy and mechanical integrity when measuring the corrosive and abrasive fluids found in many industries.

When liquid flows through the casing of the sensor, the impulse of fluid will provide the blade with a rotation moment as there is an angle between the blade of the impeller and the flow direction. The blade will rotate as the friction moment and the fluid resistance are overcome, and it will reach a stable speed when the moments are at balance. Under certain conditions, the rotation speed of the blade will be in direct proportion to the flow velocity. Due to the magnetic conductivity of the blade, when located in the magnetic field generated by the signal detector (made of permanent magnet steel and coils), the rotating blade will cut the magnetic lines and periodically change the flux through the coil, thereby inducing electrical impulse signals at both ends of the coil. The induced signals, after being amplified and rectified will form a continuous rectangular impulse wave with certain amplitude which may be remotely transmitted to a display instrument indicating the instant flow and the cumulative flow of fluid. Within a certain range of flow, the impulse frequency f is in direct proportion to the instant flow of fluid flowing through the sensor.

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What is the max frequency of the amplified square wave?

Asked by: MTellez
Thank you for your inquiry about the turbine flow meter. The K-factor is 75,000 pulses per m^3 and the frequency is 416 Hz.
Answered by: Application Engineer JC
Date published: 2021-07-26

Where can I find replacement parts for a FTB-900 series turbine flow meter?

Asked by: RickyRick
Thank you for your inquiry about the turbine flow meter. Our Spare Parts Goup will be able to provide a part number for the turbine flow meter at and please specify the exaact part number and part you seek.
Answered by: Application Engineer JC
Date published: 2022-06-23

Is the transistor output PNP or NPN?

Asked by: Volland_BC
Thank you for your inquiry. The signal output is NPN.
Answered by: Applications Engineer JJC
Date published: 2023-12-05

What is the peak to peak voltage of the amplified square wave output signal? Can it be used in a wash-down environment?

Asked by: DanG
Thank you for your inquiry. The wave output signal is equal to the supplied voltage input and it is not NEMA 4 rated for outdoor or wash-down environment.
Answered by: Application Engineer JC
Date published: 2020-08-19
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