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Positive Displacement Flow Meter for Corrosive Liquids


Item# FPD3105

In stock

Lead Time (If not in stock): 6 weeks
Positive Displacement Flow Meter for Corrosive Liquids FPD3105 FPD3105
  • PPS Body
  • Temperatures up to 80ºC (176ºF)
  • NPT or BSP Threads

FPD3105 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
Output Signal
Max Operating Pressure
Max Process Temperature
Wetted Materials
Process Connection Size
Supply Power
Process Connection Type

  • Accuracy Value ±0.5% of reading
  • Cable Type PVC
  • Electrical Connection 2 x 12 mm (0.08 x 0.47")
  • Fitting Type NPT or BSP Threads
  • Maximum Liquid Temperature (Liquid Temp Range?) 80 {C} (176 {F})
  • Measurement Type Flow
  • Media Type Corrosive Liquids
  • Minimum Liquid Temperature -40 {C} (-40 {F})
  • Number of Display Digits 7
  • Reed Sensor Voltage 30 Vdc (500 mA)
  • Repeatability ±0.03%
  • Strainer Size See ordering chart on next page
  • Supply Voltage 4.5 to 24 Vdc (7.5 mA)
  • Viscosity Range 1 to 1000 cPs standard
The FPD3100 Series positive displacement flowmeters are affordable and accurate. One primary feature is the ability to maintain consistent accuracy despite changing viscosity conditions. The meter’s solid construction and excellent dynamic response are well suited to the measurement of many corrosives as well as other non-abrasive fluids. Since there is no need for straight run piping upstream or downstream of the flowmeter, the FPD3100 flowmeters are simple to use and to install. The meter has good resolution and high accuracy at low flow rates.

Accuracy: ±0.5% of reading
Repeatability: ±0.03%
Fitting Type:
    NPT: Female
    BSP: “-BSP” option
Hall-Effect Sensor Power: 4.5 to 24 Vdc (7.5 mA)
Reed Sensor Power: 30 Vdc (500 mA)
Output Options:
    Pulse Output: Standard NPN
    4 to 20 mA Transmitter: “-D-A” option; no output on battery powered “-D” model
Display: 7-digit/12 mm (0.47") upper, 7-digit/7 mm (0.28") lower all “-D” options
    Rate: User defined
    Total: Resettable
    Accumulated-Total: Non-resettable FPD3105
Minimum Viscosity: 1cPs
Maximum Viscosity: 1000 cPs standard
Maximum Pressure: See chart on next page
Strainer Size: See ordering chart on next page
Mounting: Shafts must be in a horizontal plane
Electrical Connections: 2 x 12 mm (0.08 x 0.47"), fittings included “-D-A” option
Cable Length: 1 m (3') stripped ends, non-display models
Mounting: Pipe
Power: 4 to 20 mA, “-D-A” models 18 to 30 Vdc display, “-D” models 3 Vdc lithium battery (included)
Liquid Temperature: -40 to 80°C (-40 to 176°F), -20 to 60°C (-4 to 140°F) for display models
    Body and Rotors: PPS
    Seals: FFKM, FEP (FPD3105)
    Fasteners: Stainless steel
    Cable Insulation: PVC
    Shaft: Hastelloy C
Enclosure: NEMA 6 (IP67)
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For the # FPD3105 Model, the minimum flow rate for cP of less than 5 is listed as 0.5 GPM in the data sheet and 0.8 GPM in the user manual. Which value is correct? What is correct maximum flow rate?

Asked by: ZachWG
Thank you for your inquiry! For the FPD3105 the flow range for liquids below 5 cP is actually 2.6-26 GPM
Answered by: Application Engineer JM
Date published: 2022-03-25

The manual for FPD3102 indicates there is a rotor kit that can be purchased - FPD3102-ROTOR. Is this available?

Asked by: DPRinMinneapolis
Thanks for your question. Yes, it is available. Email us to for a formal quote.
Answered by: AEHPO
Date published: 2023-11-21
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