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316 SS Turbine Flow Meters w/Pulse or Current Output

Economical Liquid Turbine Flowmeters


Item# FTB-1304

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $1,456.00
5-9 $1,383.20
10-24 $1,354.08
25-49 $1,295.84
50-99 $1,266.72
100+ $1,237.60

In stock

Lead Time (If not in stock): 3 weeks
Economical Liquid Turbine Flowmeters FTB-1304 FTB-1304
  • ±1% of Actual Flow Accuracy
  • Includes 3-point NIST certificate
  • Pressure Rating Up to 345 bar (5000 psi)
  • Stainless Steel Construction
  • Economical
  • Easy Maintenance Design

FTB-1304 Model Options

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

  • Accuracy Value ±1% reading
  • Maximum Operating Pressure 345 bar (5000 psi)
  • Maximum Ambient Temperature 85°C (185°F)
  • Output Signal 0.5 Hz
  • Minimum Ambient Temperature -40°C (-40°F)
  • Power Source 8 mA @ 12 Vdc
  • Response time 1/F + 25 msec
  • Supply Frequency FTB-1300 Models: 0.5 Hz
  • Supply Voltage FTB-1300 Models: 10 to 28 Vdc
The FTB-1300 Series of turbine flow meters are designed for industrial and laboratory measurement of water, solvents and other low viscosity fluids. The FTB-1300 Series turbine flow meters feature a 316 stainless steel body and a tungsten carbide bearing. They offer good accuracy and reliability with very little pressure drop. The standard turbine flow meters feature threaded end connections.

The FTB-1300 series of turbine flow meters is designed with a wear resistant rotor assembly to provide trouble free operation and a long service life. Fluid moving through the flow meter causes the rotor to turn at a speed proportional to the flow rate, and as the rotor blades cut through the magnetic field of the pickup, an electronic pulse is generated. The pulse train is used to represent the actual flow or total amount of fluid passing through the flow meter. The number of electronic pulses generated per unit volume is known as a K-factor. The value is constant over each flow meter’s operating range, and is unique to each meter.

Pressure Max: 345 bar (5000 psi)
Wetted Materials: Stainless Steel (316L, 303 and 1.4122) and carbide with nickel binder (be sure that the operating fluid is compatible with these materials)
Square Wave (FTB-1300 Models):
    Supply Voltage: 10 to 28 Vdc
    Supply Current: 8 mA @ 12 Vdc, 12 mA @ 24 Vdc
    Duty Signal: 50% ±15%
    Minimum Signal: 0.5 Hz
    Frequency Output: Flow dependent, up to 2000 Hz
    Driving Capacity: 50 mA Max resistive load
    Output Impedance: ~40?, analog switch and self-resetting fuse
    Temperature Range: -40 to 85°C (-40 to 185°F)
Current (FTB-1310 Models):
    Supply Voltage: 10 to 30 Vdc
    Input: 0.25 Hz to 5 kHz
    Update Time: 1/F + 25 msec
    Amplitude: 1V p-p to 40V p-p
    Linearity: ±0.01% of reading
    Output: 4 to 20 mA
    Enclosure Certifications: NEC Class I Groups C, D; Class II Groups E, F, G
    Temperature Range: -40 to 85°C (-40 to 185°F)

Model No. Fittings Range
FTB-1301 ½ NPT 0.3 to 1.5 0.08 to 0.4 Amplified square wave
60 cm (24") cable
FTB-1302 ½ NPT 1.1 to 11 0.3 to 3
FTB-1303 ½ NPT 3.4 to 34 0.9 to 9
FTB-1304 ½ NPT 6 to 60 1.6 to 16
FTB-1305 1 NPT 6 to 60 1.6 to 16
FTB-1306 1 NPT 11 to 121 3 to 32
FTB-1307 1½ NPT 19 to 200 5 to 53
FTB-1308 2 NPT 49 to 757 13 to 200
FTB-1311 ½ NPT 0.3 to 1.5 0.08 to 0.4 4 to 20 mA, industrial head
electronics enclosure
FTB-1312 ½ NPT 1.1 to 11 0.3 to 3
FTB-1313 ½ NPT 3.4 to 34 0.9 to 9
FTB-1314 ½ NPT 6 to 60 1.6 to 16
FTB-1315 1 NPT 6 to 60 1.6 to 16
FTB-1316 1 NPT 11 to 121 3 to 32
FTB-1317 1½ NPT 19 to 200 5 to 53
FTB-1318 2 NPT 49 to 757 13 to 200
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Rated 5 out of 5 by from Reliable accuracy After repeated testing and verification, these sensors prove to be accurate (again).
Date published: 2020-11-13
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Can it be used to measure refrigerants flow rates ?

Asked by: Dnakhla
Thank you for your inquiry about the turbine flow meter. It can measure this liquid, yet, you will need to perform a field calibration since it is calibrated for water. If you email flow@omega.com we can suggest an alternative flow meter that can measure refrigerants without field calibration.
Answered by: Application Engineer JC
Date published: 2021-10-15

What are the dimensions of the 4 to 20 mA transmitter found attached to the FTB-1311 to FTB-1318? It is simply described as an "Ex housing" in Omega literature.

Asked by: john73
Thank you for your inquiry about the turbine flow meter. Please email flow@omega.com and can provide the information per your request.
Answered by: JC ENGR
Date published: 2021-01-28

Is there a rebuild kit for this meter

Asked by: Jacob g
Thank you for your inquiry about the turbine flow meter. Yes, the FTB-1300 flow meter series has a repair kit and the part number for the specific part number is FTB-137-RK
Answered by: Application Engineer JC
Date published: 2021-08-25
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Recommended for use with FTB-1311 through FTB-1318
10 In Stock
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