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Recommended Items for Plastics:
Point Level Continuous Level Solids Flow
> Model KA / KAX
Rotary Paddle
> Flexar® Guided
Wave Radar
> SFD-2 / SFI
Solids Flow Detector
> SafePoint® Fail-Safe Rotary Paddle > SiloPatrol®
Cable-Based
> TrueCap®
RF Capacitance
> SiloTrack Inventory Management Software
> PZP Vibratory
> VibraRod Vibratory    
> Proximity Switch    

PLASTIC PROCESSING – PZP Vibrating Level Sensor

Challenges Sensing Lightweight Polystyrene Flake Regrind in a Blending Hopper

 

 

 

PLASTIC PROCESSING – SiloPatrol® Cable-Based

Challenges keeping Track of Raw Material Inventory at FOUR Locations . . .

 

 

 

 
Spotlight: RF Capacitance Level Sensor
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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