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June 2012: Rotary Paddle Bin Level Indicator
DC Powered Rotary Paddle Level Sensors Use
Long-Life AC Motor



Model KA / KAX


Elburn, IL  USA – Monitor Technologies’ Model KA and KAX rotary paddle bin level indicators, powered by 12 or 24 VDC, incorporate an AC motor that makes them a viable solution for process oriented systems requiring a low voltage power source, minimal installation cost, and frequent level cycling. This DC version of Monitor’s rotary paddle level sensor includes electronics that converts the 12/24 VDC power source to 6 VAC energy that is used to operate a 6 VAC motor. Using an AC motor instead of a DC motor significantly improves the performance of these models by insuring functional reliability and providing longer operational life than a DC motor.
Monitor’s rotary paddle level switches are very versatile and can be used in a variety of powder & bulk solids storage applications. Other features include rugged construction, twist On/Off cover, motor shut-off when paddle becomes impeded and a Hazardous Location option (Model KAX).

The same benefits also apply to the 24 VDC powered SafePoint® fail-safe rotary paddle level sensor.

Click Here To Download DC Powered Technical Sheet

For more information please visit www.monitortech.com, e-mail monitor@monitortech.com or call 1-800-601-5953 (1-630-365-9403).

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


About Monitor
Monitor Technologies LLC is a leading supplier 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 by trusted customer service. Monitor is located in Elburn, Illinois  USA. For more information please refer to www.monitortech.com or contact Mr. Greg DeRudder or Mr. Chris Otte of Monitor Technologies at 1-800-766-6486 (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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