LEVEL MEASUREMENT & DETECTION

The types of level measurement methods we provide are below.

Liquids, powders and chemical properties have unique characteristics that make selecting the right technology critical to the success of detection and measurement of your process.  We specialize in providing the best level solutions while being the most economical.

TDR / GUIDED WAVE RADAR

 

Guided wave radar level transmitters utilize the some of the best technology available for continuous level measurement and interface level measurement.
 

Guided wave radar works with high-frequency radar pulses which are guided along a probe. As the pluses impact the medium surface, the characteristic impedance changes and part of the emitted pulse is reflected. The time between pulse launching and receiving is measured and analyzed by the instrument and constitutes a direct measure for the distance between the process connection and the product surface.

Features:

  • Reliable and maintenance-free measurement in liquids, also in turbulent media and foam.

  • Unaffected by density, temperature, conductibility, or humidity.

  • No impairment by outgassing media (steam pressure).

  • Process temperatures up to +750 °F

  • Process pressures up to 5,800 PSIG

PRODUCT PAGES:

VF02

VF07

NON-CONTACTING RADAR

 

Radar works with high-frequency radar pulses which are emitted by an antenna and reflected from the product surface. The time of flight of the reflected radar pulse is directly proportionate to the distance traveled. If the tank geometry is known, the level can be calculated from this variable.

Features:

  • Non-invasive, maintenance-free measurement also under extreme conditions.

  • Unaffected by density, temperature, conductibility and humidity.

  • No impairment by outgassing media (steam pressure).

  • Process temperatures up to +750 °F

  • Process pressures up to 2,320 PSIG

 

PRODUCT PAGES:

VG5

VG6

NON-CONTACTING ULTRASONIC

 

Non-contact ultrasonic level measurement is one of the most versatile level measuring technologies and is suitable for both liquids and solids measurement. It can be used for continuous or point level detection. The principle of operation is often referred to as 'time of flight'.An ultrasonic pulse is emitted from a transducer down towards the media and is reflected back from the surface. The time it takes to travel from and to the transducer is directly proportional to the distance traveled

 

Features:

  • Wide range of applications

  • Low cost

  • Simple to install

  • Non-contact, long measuring ranges - up to 196 Ft.
     

Applications:

Pellets, Granules, Slurries, Pastes and Liquids

 

RF / CAPACITANCE

 

A solid-state level sensor for detecting the level of liquids and solids. The probe consists of a sensing element and an integral grounding sleeve that is separated by an insulator. There is a fixed capacitance between these two elements and this will change when product comes into the vicinity or contacts the sensing probe. The sensor will then detect this change and change the output. This method of detection relies on the dielectric properties of the media. The higher the dielectric the easier it is to detect (water has a value of 80+ and air is around 1)

 

Features:

  • Universal for liquids and solids, low maintenance technology, unaffected by temperature, pressure.

  • Corrosion resistant and a wide range of mounting options.

  • Relatively low cost.

Applications:

Liquids, slurries, powders, pastes, granules, pellets and can also be used for interface detection in applications such as oil and water.

 

PRODUCT PAGES:

CLS2
FCLS
SureSense

SLUDGE - INTERFACE - CLARIFIER -BED LEVEL

 

Blanket and Bed Level interface controllers are microprocessor based transmitters combined with a high power sonar transducer. Monitor and control the blanket level in settlement tanks for a wide range of industries on applications including:
 

  • Primary Sedimentation - Sludge blanket levels

  • Secondary and Final Clarifiers - RAS blanket / FLOC level / Clarity

  • Sludge Thickeners - Settling blanket level / Clarity suspended solids

  • DAF Tanks - Settling blanket Level / Floating bed level

  • Sequential Batch Reactors (SBR) - Settling blanket level / RAS blanket

  • Lammella clarifiers- Settling blanket level / Clarity suspended solids

  • Counter current decantation (CCD) tanks - Blanket level / FLOC / Clarity

  • Mining and Process settling ponds, lagoons, tailings dams, carbon columns

VISIT PRODUCT PAGE

 

PRODUCT PAGES:

VTK
VTKR
TF
TFLS
CTF

TUNING FORK / VIBRATION SWITCH

 

Tuning fork style switches use a piezo-electric crystal that enables the switch to vibrate at a

fixed pre-defined resonant frequency. When the tuning fork is submerged in the medium the frequency at which the switch is vibrating, changes. This change is detected by the unit’s electronics and is converted into a switch output, either relay (SPDT) or PNP/NPN (depending on the model).

 

All models are made with 316 Stainless Steel and are available with Halar or epoxy coatings and hygienic fittings for sanitary applications. Standard versions can operate at temperatures up to 176º F and higher temperature versions can operate at temperatures up to 248º F.  Most models  have adjustable time delay adjustments as well as a Wet / Dry selection for both High and Low level application requirements.

 

SILO PROTECTION SYSTEM

An optimal system will prevent over-pressurization that will cause damage, disasters & environmental releases of bulk solids.


•    Ground Level Testing
•    Pressure sensor, hi-alarm level sensor, and PRV testing (essential)
•    Simple, one-button press to test all components
•    Silo filling auto shut-off control
•    Pneumatic cleaning of pressure sensor
•    Recording of the number of events on incidents of over-pressure (time/date stamp)
•    Recording of the number of events of PRV lift and opening (time/date stamp)
•    Recording of the number of events of high-level probe activation (time/date stamp)
•    Filter On/Off output option to check filter status
•    Filter air supply monitoring alarm option

 

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VOLITION CONTROLS CORP. T: 813-714-7006 | F: 813-714-7536 | Sales@Volitioncc.com | © 2019 Volition Controls Corp.

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