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Flow Sensor for low-flow measurement

Type 8031 / Ident No. 783720

Produkt-Foto Typ 8031

The depiction of the products may differ from the actual specific design.

  • Produkt-Foto Typ 8031

Low flow sensor

  • Cost attractive solution for low-flow rates and solid-free liquids
  • Wetted parts made of ECTFE (Halar®), Saphir, COREPOINT™, FKM or EPDM for use in aggressive liquids
  • 3-wire system with paddle-wheel and Hall sensor up to 80 °C, 6 bar
  • Frequency output proportional to the flow rate, PLC-compatible

For selecting the correct product please refer to the technical data, images and notes for proper use according to the data sheet.

Product description

The compact low-flow sensor Type 8031 with paddle-wheel and Hall sensor is specially designedfor 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. We recommend here particularly the connection to the Bürkert Universal transmitter Type 8025 (see separate data sheet).

Commodity Codes

Technical attributes

Type 8031
Flow rate (volume) Yes
Continuous measurement Yes
Dosing No
Switch No
Display type no display
Protection class measurement device (IP) 65
DC voltage min. 5 V
DC voltage max. 24 V
Battery voltage No
Precision of volume flow rate in relation to reading 2 %
Temperature environment min 0 °C
Temperature environment max 80 °C
Temperature medium min 0 °C
Temperature medium max 80 °C
Pressure max sensors 10 bar
Dynamic viscosity min. 1 cP
Dynamic viscosity max. 10 cP
Min measured value of volume flow rate 20
Max measured value of volume flow rate 250
Measured value unit l/h
Detection of flow direction No
Sensor type Paddle wheel
Paddle wheel type Magnetic
Paddle wheel measuring principle detection Hall
Electrical connection 1 type Cable with open end
Electrical connection 1 quantity 1 PCE
Electrical connection 1 number of contacts 3 PCE
Electrical connection 1 wire length 1000 mm
Electrical connection 1 material PVC (Polyvinyl chloride)
Output 1 digital type Transistor
Output 1 digital transistor connection NPN Yes
Output 1 digital transistor connection PNP Yes
Digital output 1 transistor contactless 0.01 A
Electronics body material POM
Cover material POM
Seal housing/cover material FKM
Screw material Stainless steel
Parametrisation local No
Parametrisation separate No
Parametrisation fixed Yes
Diameter measuring tube (DN) 6 mm
Fluidic port connection number 2 PCE
Port connection 1 type Outer thread
Port connection 1 thread type G
Port connection 1 thread marking 1/4
Port connection material POM
Measuring pipe material POM (Polyoxymethylene)
Sensor body material POM
Medium-contacting parts seal material FKM (Fluor rubber)
Paddle wheel material POM
Paddle wheel axle material Coated stainless steel
Bearing material POM (polyoxymethylene)
Installation length 77 mm
Tropical climate version No
Time dosing No
Batch dosing No
Extended diagnosis No
Volumeter No
Weight 0,067000 kg
Weight 0,067000 kg
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Applications & Tools

CAD Model

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Language / Country
DTS Kleinmengen Durchfluss Sensor DS8031-Lowflow-DE-DE.pdf 329.9 kB DE / DE
DTS LowFlow Sensors DS8031-Lowflow-EU-EN.pdf 310.3 kB EN / EU
DTS Low-Flow Batch Control Sensor DS8031-Lowflow-US-EN.pdf 218.8 kB EN / US
DTS Capteur Faible débit DS8031-Standard-FR-FR.pdf 304 kB FR / FR
MAN Low flow sensor MA8031-FlowSensor-EU-ML.pdf 160.7 kB EN,FR,DE / EU