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  Technical Articles, Case Studies and White Papers
(Relating to level mesurement, solids flow monitoring, particle emission detection, bin aeration applications and more)

Advanced Material Flow/No-Flow Detection Using Point Level Sensors, Microwave Flow Detectors
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"Choosing the right paddle for your rotary paddle level sensor"
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"Not All Fail-Safe Rotary Paddle Point Level Sensors Are Created Equal"
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"Why Use Continuous Level Sensors"
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"How to detect leaking or broken filters with a triboelectric monitor"
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Beyond Failsafe Monitoring

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Self-Validating Point Level Sensors Can Save Thousands

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King of the bin: Rotary paddle point level indicator

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Fly-Ash Level Measurement Solutions Using Guided Wave Radar

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Ethanol Production Level Measurement Solutions

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Technology Review Point Level Monitoring of Powders & Bulk Solids

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Hazardous Locations A Primer

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Technology Review Continuous Level Measurement of Bulk Solids and Powders

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Researching The Internet

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Remote & Vendor-Managed Inventory Management Systems for Bulk Solids

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What's New in Smart Weight-and-Cable Bin Level Sensors

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Ensuring Successful Use of Guided-Wave Radar level Measurement Technology

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An "Eye" on Bin Levels

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Continuous Level Sensor Functions Accurately in Dusty Envioronments

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Cost Savings Through Better Inventory Control - Continuous Level Sensor

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TrueCap Level SensorTrueCap 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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