Finetek EG311BQS3-00A0-S20 Mini housing Magnetostrictive level gauge


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SKU: FT-EG311BQS3-00A0-S20 Category: Tag:
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The FineTek magnetostrictive level transmitter identifies the level of liquids and solutions with high precision and reliability. This versatile sensor is ideal for continuous level measurement of a wide range of liquids. Application ranges from petrochemical industries, marine and shipping to food and beverage production. The sensor has a loop power supply and provides direct analog or digital output to the user interface. The FineTek magnetostrictive level sensor has proven itself due to its durability in a wide range of temperatures, pressures and operating conditions as well as its low maintenance nature


The sensor mainly consists of magnetorestrictive wires sealed in a stem/rod and a permanent magnet sealed into a float that can move up and down the stem. Electrical current travels along the wires in the stem creating an axial magnetic field. When the float’s and stem’s magnetic field intersect, a torsional force is created with different height levels (see right). The sensor measures the liquid level (D) by calculating the elapsed time between torsional forces. Using velocity and time, distance can be calculated. This action is timely and continuous. A change in float position will be detected promptly via signal output.


  • Absolute positioning output and no calibration required after power failure.
  • Stability and reliablity.
  • Ease installation without calibration & maintenance.
  • Prompt response time, high resolution & high accuracy.
  • Durable structure, dust-proof, withstands high pressure.
  • Oil/water dual level indication.
  • The Max. operation temp. is 200BC.
  • EG31, 32, 36, 37 adopted loop power structure for wire saving.
  • Explosion-proof model available for hazardous environments.
  • Housing of EG3 is IP67(Enclosure)/IP69K(Probe).
  • Support HART / RS485 and 4~20mA / voltage output.


  • Liquefied natural gas.
  • Crude oil, petroleum’s and diesels.
  • Chemical processing.
  • Pharmaceutics and medication.
  • Food and beverages, breweries.
  • Dams, water barriers, wastewater treatment.
  • Power plants, marine and shipbuilding.
  • Tooling or alignment position for processing machines


  • Model: EG311BQS3-00A0-S20
  • Magnetostrictive level gauge in SS
  • mini stainless steel housing
  • IP-65, Head Mounted
  • 2 Wire, 4-20mA Transmitter
  • 12.7mm SS Tube
  • 1/2″PT Thread Connection in SS, -20~125℃

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