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The compact low-flow sensor Type 8031 with paddle wheel and Hall sensor is specially designed for use in aggressive and solid-free liquids. The particular cost attractive measuring principle is based on a local flow velocity measurement. 

The sensor produces a flow proportional frequency signal which can easily be transmitted and processed.
Features
  • Cost attractive solution for low-flow rates and solid-free liquids
  • Wetted parts made of ECTFE, Saphir, coated stainless steel, FKM or EPDM for use in aggressive liquids
  • 3-wire system with paddle wheel and Hall sensor up to 80° C (176° F), psi: 87.02 (kPa: 600, bar: 6)
  • Frequency output proportional to the flow rate, PLC-compatible

1 - 12 of 14 Part Numbers
437 524
437 524
  • Version - With Mounting Plate
  • Measuring Range - 20 to 250 L/hr
  • Process Connection - G 1/4”
  • Housing, Paddle-Wheel Material - ECTFE
  • Axis Material - Coated Stainless Steel
  • Gasket Material - EPDM
437 982
437 982
  • Version - With Mounting Plate
  • Measuring Range - 10 to 100 L/hr
  • Process Connection - G 1/4”
  • Housing, Paddle-Wheel Material - ECTFE
  • Axis Material - Coated Stainless Steel
  • Gasket Material - FKM
438 531
438 531
  • Version - With Mounting Plate
  • Measuring Range - 10 to 100 L/hr
  • Process Connection - G 1/4”
  • Housing, Paddle-Wheel Material - ECTFE
  • Axis Material - Coated Stainless Steel
  • Gasket Material - EPDM
438 532
438 532
  • Version - With Mounting Plate
  • Measuring Range - 20 to 250 L/hr
  • Process Connection - G 1/4”
  • Housing, Paddle-Wheel Material - ECTFE
  • Axis Material - Coated Stainless Steel
  • Gasket Material - FKM
783 717
783 717
  • Version - Without Mounting Plate
  • Measuring Range - 10 to 100 L/hr
  • Process Connection - Tube Spigot 8/6 mm
  • Housing, Paddle-Wheel Material - POM
  • Axis Material - Coated Stainless Steel
  • Gasket Material - FKM
783 718
783 718
  • Version - Without Mounting Plate
  • Measuring Range - 20 to 250 L/hr
  • Process Connection - Tube Spigot 9 mm
  • Housing, Paddle-Wheel Material - POM
  • Axis Material - Coated Stainless Steel
  • Gasket Material - FKM
783 719
783 719
  • Version - Without Mounting Plate
  • Measuring Range - 10 to 100 L/hr
  • Process Connection - G 1/4”
  • Housing, Paddle-Wheel Material - POM
  • Axis Material - Coated Stainless Steel
  • Gasket Material - FKM
783 720
783 720
  • Version - Without Mounting Plate
  • Measuring Range - 20 to 250 L/hr
  • Process Connection - G 1/4”
  • Housing, Paddle-Wheel Material - POM
  • Axis Material - Coated Stainless Steel
  • Gasket Material - FKM
783 721
783 721
  • Version - With Mounting Plate
  • Measuring Range - 10 to 100 L/hr
  • Process Connection - G 1/4”
  • Housing, Paddle-Wheel Material - ECTFE
  • Axis Material - Sapphire
  • Gasket Material - FKM
783 722
783 722
  • Version - With Mounting Plate
  • Measuring Range - 10 to 100 L/hr
  • Process Connection - G 1/4”
  • Housing, Paddle-Wheel Material - ECTFE
  • Axis Material - Sapphire
  • Gasket Material - EPDM
783 723
783 723
  • Version - With Mounting Plate
  • Measuring Range - 10 to 100 L/hr
  • Process Connection - G 1/4”
  • Housing, Paddle-Wheel Material - ECTFE
  • Axis Material - Sapphire
  • Gasket Material - FFKM
783 724
783 724
  • Version - With Mounting Plate
  • Measuring Range - 20 to 250 L/hr
  • Process Connection - G 1/4”
  • Housing, Paddle-Wheel Material - ECTFE
  • Axis Material - Sapphire
  • Gasket Material - FKM
1 - 12 of 14 Part Numbers

Specifications

Ambient Temperature Range

  • 0° to 80° C (32° to 176° F)

Bearing Material

  • POM
  • Rubin

BSP Connection

  • G 1/4” Male

Consumption

  • 11 mA at 24 Vdc, Max.

Electrical Connectors

  • Cable, 1 Meter Length (3 x 0.14 LiYY)

Enclosure, Body Material

  • ECTFE
  • POM

Environmental Protection

  • IP65

Frequency

  • 0 to 300 Hz

Gasket Material

  • EPDM
  • FFKM
  • FKM

K-Factor

  • 10,200 Pulse/Litre (10 to 100 L/hr)
  • 3,400 Pulse/Litre (20 to 250 L/hr)

Materials of Construction

  • Axis: Coated Stainless Steel
  • Axis: Sapphire
  • Paddle-wheel, Magnets (Encapsuled or Blank): ECTFE
  • Paddle-wheel: POM

Measuring Range

  • 2.6 to 27 gph (10 to 100 L/hr)
  • 5.3 to 66 gph (20 to 250 L/hr)

Power Supply

  • 5-24 Vdc

Pressure Range

  • bar: 0 to 10
  • kPa: 0 to 1,000
  • psi: 0 to 145

Process Temperature

  • 0° to 80° C (32° to 176° F)

Repeatability

  • 0.8 % of Full Scale

Seat / Seal Material

  • Seal: EPDM
  • Seal: FFKM
  • Seal: FKM

Storage Temperature

  • -10° to 80° C (-14° to 176° F)

Tube Connection

  • Tube Spigot: 8/6 mm
  • Tube Spigot: 9 mm

Viscosity

  • 1 to 10 cSt

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