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February 2005 : BulkSonics® • Interactive Guide V2



Ultrasonic Continuous Level Gets “Smart”


Elburn, IL. —Monitor Technology offers their BulkSonics® smart transmitters to provide continuous level measurement for both solids and liquids in storage tanks, bins, silos and other vessels. The non-contact nature of ultrasonic technology makes these products ideal for use with powders, granular materials, corrosives, sticky materials, or other applications that make contacting level sensors impractical.

BulkSonics® solids smart transmitters are available in three models for ranges from 2 to 200 feet. The liquid smart transmitters are available in four models that cover distances from 0.8 to 82 feet. BulkSonics smart transmitters for solids applications are equipped with a joystick to allow easy aiming of the device.

All BulkSonics® smart transmitters combine state-of-the-art “narrow beam” transducers with advanced echo suppression software techniques. This results in unequaled, time-proven reliability. BulkSonics smart transmitters also offer:
• 4-20 mA, relay and HART Communications protocol output options.
• Local keypad/display module.
• EView-Light PC software (HART option) for remote programming of BulkSonics transmitters. Monitor also offers an optional EView software package to allow remote programming of from two to fifteen units.
• Messenger Remote Inventory Monitoring equipment for use with BulkSonics smart transmitters installed for vendor managed inventory.

BulkSonics® smart transmitters are backed by Monitor’s industry leading SecureCareSM customer service and carry a full two-year warranty.

For more information on the BulkSonics® smart transmitters, or any of Monitor’s full line of level, flow, particle emission or aeration products, contact: Emily Jones at 1-800-601-5953.

BulkSonics® - Discontinued


Interactive Guide V2
The Answer is on
ONE Simple-to-Use CD

Elburn, IL. —Monitor Technology’s unique Interactive Point Level Product Guide is NOW available on a single CD! The Interactive Guide is a useful reference tool for anyone who specifies or buys level instruments for liquid, solids or slurries. This extensive multi-media Guide assists you in selecting the most suitable point level device for any application. There is nothing else like it!

The Interactive Point Level Guide includes the following:
• “Review My Application” software. Answer questions about your application by selecting options from on-screen lists. The software uses your answers to compute and display the point level products best suited to the process.
• Interactive Product Presentations. The CD contains multi-media presentations for rotary paddle, RF capacitance, vibrating and mechanical point level sensors. The presentations are displayed on a viewer that has on screen controls similar to a VCR or DVD player for simple operation. Each product presentation is broken into discrete modules for easy viewing. The modules are entitled: “Benefits”, “How It Works”, “Typical Applications”, “Features”, “Installation Tips”; and “Key Specifications”.
• Product literature for viewing or printing on all products.
• Information on Monitor’s SecureCare customer service program.
• Monitor Contact Information, a direct link to Monitor’s web site and “How To Use This Guide” instructions.

Monitor offers this unique application tool free of charge and believes it is as important to produce tools that help eliminate the cost and wasted man-hours associated with misapplications, as it is to provide durable and reliable instrumentation.

For more information or to obtain your free copy of this handy Guide contact Monitor directly, or visiting our website at, or by contacting any local Monitor sales representative.

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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