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January 2008: SiloPatrol®/SiloTrack™



Inventory Management of Storage Silos – Never Easier!

Elburn, IL -- Monitoring your silo inventories is critically important to maintain smooth production flow and maximize your operating income and cashflow. Accountants know this, product managers understand it and the folks on the line making your product know what happens when you run out unexpectedly or can't fit the recently delivered truck load of material in the silo. Now, you don't have to worry any further. With the SiloTrack™ Version 3.5 inventory management system you get graphic display of material levels in your silos, alarming capability, direct vendor alerts via email or direct remote monitoring. In addition, multiple people within your facility and even at other company locations will know how much material is in your silos quickly and easily.

Whether you store plastic, cement, flyash, flour, kaolin, bauxite, sand, silica, coffee beans or many other bulk solid materials with SiloTrack inventory management systems you get your choice of level measurement sensor technologies. Choose from SiloPatrol®, the state-of-the-art weight & cable device, or Flexar® guided wave radar continuous level sensors. Either way you want it, Monitor and SiloTrack can deliver it.

Monitor's experience of nearly five decades dealing with the inventory monitoring and management of various powders and bulk solids allow us to apply various technologies to provide high value solutions that are accurate and reliable. Give us a call and ask about how we can create success for your operation.

Monitor Technologies LLC is a pioneering supplier of level measurement and monitoring sensors and systems for the worldwide powder and bulk solids market. The experience and market knowledge gained over five decades has earned Monitor a reputation for providing high quality and reliable product solutions. Monitor is located in Elburn Illinois, give us a call today and let us put our creative solutions to work for you!

For more information refer to and or contact Ms. Emily Jones at 1-800-766-6486 (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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