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April 2013: SiloPatrol® Plumb Bob Level Sensor
SiloPatrol® Provides Level Measurement For Solid / Water Interface Applications


SiloPatrol Plumb Bob Level Sensor


Elburn, IL -- The SiloPatrol® plumb bob “smart” level sensor from Monitor Technologies can be equipped with an optional stainless steel interface style plumb bob in order to provide continuous level measurement for settled solids in a blanket of water. The interface style plumb bob will penetrate through the water, make contact with the surface of the solid material and then retract to provide a level measurement. Examples of material applications that have been successful include sand, salt, corn, rice, potatoes and similar items that are covered by a layer of water. Interface with other liquids besides water may also be possible. Please check with Monitor regarding specific applications. The SiloPatrol uses time-proven weight and cable techniques and combines Hall Effect sensor technology, state-of-the-art sealed bi-directional optical sensing, a split-compartment enclosure design, isolated outputs, SMT (surface mount electronic technology) and other valuable features to produce a rugged, reliable and accurate measuring system designed for the harshest and most dynamic conditions. In addition, a variety of operator interface devices and software, like SiloTrack software, are available to calculate and display material level inventory data.

For more information please visit: http://www.monitortech.com/product_c_c_sp.shtml


About Monitor
Monitor Technologies, LLC provides practical solutions for level measurement instrumentation, solids flow indicators, particle emission monitors and bin aeration devices relating to the storage and processing of powders, bulk solids and some liquids. For more details on Monitor's product offerings please visit www.monitortech.com or call 1-630-365-9403.


 

 
Spotlight: RF Capacitance Level Sensor
TrueCap Level SensorsTrueCap Light  
TrueCap® MK-2
Advanced RF Capacitance Level Probe

The TrueCap® Model MK-2 RF Capacitance point level probe is designed to provide a superior and stable sensitivity threshold making it suitable for a variety of powder / bulk solids and some liquid or slurry applications.

Advanced features of the Model MK-2 include:
> Automatic immunity to material build-up on the probe by its driven shield design
> Push-button calibration
> Enhanced temperature compensation
> Maximized reliability via smart sensing algorithms like “self-validating” fail-safe protection
> Visible status LED on ordinary location units
> Versatility through a variety of configuration options including: hazardous location version, split architecture design, quick-connect process connection, stub probe, cable extensions, solid extensions, Nylon® probes, Ryton® - equiv. probes, etc.

A practical application for the TrueCap would be to use this level sensor where a residual material build-up on a different sensor would cause a false material level indication.

Principle of Operation for the TrueCap RF Capacitance Level Probe:
The vessel wall and the active probe element establish an impedance reference between each other when exposed to air which has a dielectric constant of 1. When materials with a dielectric constant greater than 1 are in close proximity to the probe, the impedance of the sensing field between the sensor and the vessel wall will change. Once the amount of change exceeds a threshold that was electronically determined during the calibration process, an output relay will either be energized or de-energized depending upon the position of the fail-safe selector on the probe’s electronic circuit board. A change of as little as .5 pico-farad is all that is necessary for the probe to sense the presence of material.

Click here for more information on the TrueCap MK-2 Level Sensor or contact Monitor Technologies LLC at
Tel.: 800-766-6486 in the USA and
Tel.: 630-365-9403 worldwide.

 

>>Download TrueCap Product Bulletin #413

>>Click here to learn more about other Point Level Switches from Monitor Technologies


 

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