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High Pressure and Temperature Positive Displacement Flow Meters

Positive Displacement Flowmeters


Item# FPD2001

Please contact Technical Sales Team for assistance.
Positive Displacement Flowmeters FPD2001 FPD2001

This part is no longer available. Please see FPD4000-Series as a suggested replacement.

  • Accuracy ±0.5% of Reading
  • Includes 3-point NIST certificate
  • Aluminum, 303 or 316 SS Bodies
  • Pressure Rating Up to 345 bar (5000 psi)

FPD2001 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

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

The FPD2000 Series represents a positive displacement meter that is affordable and accurate. One primary feature is the ability to maintain consistent accuracy despite changing viscosity conditions. This reliability, coupled with a large turndown range, offers an affordable replacement for older turbine technology. The meter’s solid construction and excellent dynamic response are well suited to the measurement of oil, grease, fuel, solvents, polyurethanes, brake fluid, skydrol as well as other nonabrasive lubricating fluids. Since there is no need for straight run piping upstream or downstream of the flow meter, the FPD2000 flow meters are simple to use and to install. The meters produce good resolution and high accuracy at low flow rates. Flow may be bidirectional, such as for cylinder position measurements, without damage to internal parts.

Accuracy: ±0.5% over 10:1 turndown with 30cP fluid
Repeatability: ±0.1%
Max Fluid Temperature:
    Aluminum Body: Meter 85°C (185°F)
    Stainless Body: Meter 204°C (400°F)
Pressure Maximum: 345 bar (5000 psi)
Wetted Materials
    FPD2000 Series: Aluminum
    FPD2010 Series: 303 stainless steel
    FPD2020 Series: 316 stainless steel
Gear: Stainless steel
O-Ring: PTFE, FKM (optional)
Bearings: Stainless steel
Temperature Range (Electronics):
    Standard Aluminum and Stainless Steel versions: -40 to 85°C (-40 to 185°F)
Square Wave: (Basic unit)
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: Flow dependent, up to 2000 Hz
Driving Capacity: 50 mA max resistive load
Output Impedance: 40? - analog switch and self-resetting fuse
Analog Output (-A Models)
Supply Voltage: 10 to 30 Vdc
Output: 4 to 20 mA
Input: 0.25 Hz to 5 KHz
Amplitude: 1 Vp-p to 40 Vp-p
Update Time: 1/F + 25 msec
Linearity: ±0.01% of reading
Enclosure Rating: IP54
Model No. Pulses/Liter (Pulses/Gallon) Body Dia cm (inch) *Body Heightcm cm (inch) Filtration (microns)
FPD20X1 14,000 (53,000) 7.6 (3) 8.6 (3.4) 30
FPD20X2 4200 (15,900) 8.4 (3.3) 8.6 (3.4) 30
FPD20X3 1700 (6600) 8.4 (3.3) 8.6 (3.4) 30
FPD20X4 470 (1800) 12.4 (4.9) 13.8 (5.45) 30
FPD20X5 420 (1600) 21.3 (8.4) 17 (6.7) 200
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What is the amplitude of the square wave output for model FPD2004?

Asked by: Anonymous
Thank you for your inquiry about this flow meter. The output wave is equal to the input voltage supplied.
Answered by: JC ENGR
Date published: 2020-10-07

Hello, For the FPD2022 which Digital rate meter do you recommend?

Asked by: Brazer
Thank you for your inquiry about the flow meter. The DPF78 is a compatible meter to display the flow rate and accept the frequency output from the sensor.
Answered by: Application Engineer JC
Date published: 2023-03-27
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3-pin connector for the FPD2000-A Series with 4-20 mA output (Assembly and wirerequired)
0 In Stock
This item is discontinued. Please contact Technical Sales Team for assistance.
6-pin connector for the FPD2000 Series with pulse output (Assembly and wire required)
0 In Stock
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