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October 2009: Silo TrackTM
Easy-to-Use and Effective Material Inventory Management Software
Silo Track Material Inventory Software

Monitor Technologies’ Silo TrackTM material inventory management software provides users with an unsurpassed, easy-to-use and flexible graphical interface for Monitor'r continuous bin level measurement sensors. Silo TrackTM utilizes the SiloPatrol SE Model SMU smart cable-based level sensors and/or the Flexar guided wave radar level sensors. SiloTrackTM offers both Server and Client version software. When used together SiloTrackTM Server and Client software can provide material inventory monitoring and management capability to an unlimited number of on-site and off-site users and can be installed on virtually any PC.

SiloTrackTM allows a person to monitor up to 128 sensors and display distance, level, volume, weight, %, as well as, alarm, relay and sensor status. Advanced features include up to 5 sensors per vessel, auto report generation & transmission (e-mail), export capabilities and auxiliary outputs. Up to four alarms can be established for each silo and can be individually named and set to activate as a high or low level alarm, sensor error and material reorder alarm.

SiloTrackTM software offers simple and intuitive operation as with other Windows® based software. With no prior experience and with minimal help from the installation and operation manual, which is included with the software, one should become comfortable with the operation of SiloTrackTM within 30-60 minutes. It is that simple! Please visit for more details.

Monitor Technologies LLC, located in Elburn, Illinois, is a leading manufacturer of level measurement instrumentation, solids flow indicators, particle emission monitors and aeration devices for the worldwide powder and bulk solids markets. The experience and market knowledge gained over 50 years of business has earned Monitor a reputation for providing high quality and reliable product solutions backed with trusted customer service. For more information please visit



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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