TC Fluid Controls LevelSure Gauge

TC Fluid Controls LevelSure Gauge combines the operation of conventional float type Magnetic Level Gauges with the proven technology of Guided Wave Radar, Magnetostrictive Transmitter or Reed Chain Transmitter in one unit. The user benefits from the local visual readout and from the 4-20mA signals provided from the Guided Wave, Magnetostrictive or Reed Chain Transmitters with resolutions down to 0.8mm available.

The LevelSure is a completely self-contained unit and can be mounted to vessels with threaded, flanged or welded connections to suit your specific requirements. Giving an accurate and high confidence reading, the LevelSure gauge is particularly useful in the petrochemical, power generation and pharmaceutical industries.

TC Fluid Controls LevelSure Gauge Measuring Principles

Time Domain Reflectometry (TDR) – Microwave pulses are transmitted along a guide rod suspended from the top of the measuring chamber. As the pulses come in contact with the media, they are reflected back along the guide probe and are detected at the electronics in the head-shell. The time elapsed is evaluated to determine the liquid level with a measurement accuracy of +/- 3mm. Microwaves are generally not affected by process conditions. They are not sensitive to dust, vapours, foam or changes in liquid density. Even conditions such as steam environments do not influence the accuracy or reliability.

  • LevelSure – combined Magnetic Level Gauge with Guided Wave Radar.
  • Two or more independent outputs from one instrument.
  • HART, Profibus & Fieldbus communications are available.
  • ATEX Ex ia, Ex d and/or SIL available.
  • Self-contained, compact unit for mounting to a tank or vessel.
  • Signals can be compared giving a high degree of level confidence.
  • Readings can be compared between two independent electronic systems plus a mechanical visual indication.

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TC Fluid Controls LevelSure Gauge Features

Special Features of the TC Fluid Control LevelSure Gauge

  • Compact – two main design types, one with the instrument chamber in parallel to the Magnetic Level Gauge. The other with the instrument chamber contained within the same housing as the Magnetic Level Gauge saves on installation space.
  • Weight Saving – if we use the parallel chamber design we can save more than 20% in weight over a none combined system.
  • Automatic Float Warning – at the base of the indicator the wafers are mounted with their colours in reverse. Should the float reach that level the wafers will turn to present a sharp, immediately readable indication of float failure.
  • Sealed Float – of reinforced stainless steel, titanium, corrosion-resistant plastic or other exotic non-magnetic metals.
  • Sealed Chamber – fabricated from stainless steel pipe, corrosion-resistant plastics or other exotic non-magnetic metals.
  • Interface Applications – the LevelSure is ideally suited for measuring liquid interfaces. Floats are available to meet a variety of specific gravities to suit the liquids being monitored. Combine this with Guided Wave Radar technology for a confident, accurate measurement.
  • Design – units available from 2″ NB ANSI#150 all the way up to 8″ NB ANSI#2500 rated


  • Body: Austenitic stainless steel to suit customers requirements.
  • Flanges: Austenitic stainless or carbon steel depending upon the application.
  • Float: Austenitic stainless steel, titanium, glass or corrosion-resistant plastic.
  • Display Housing: Aluminium Alloy 6063T6 or stainless steel outer housing.
  • Ratings: Process Pressures up to 500 bar (7250psi) saturated steam pressure up to 180 bar. Temperatures up to 450o C. Higher temperatures on application.
  • Length: Length To suit customer requirement, (maximum single section length 6m).

Special Body/Flange Material

Alloy 625/825, Titanium Grade 2, Hasteloy C276, Duplex (instrument chamber only), Monel 400, 6Mo (UNS 31254). Others on request.

Download Datasheet : TC Fluid Controls LevelSure Gauge


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