The NEW WirelessEZ Communication Interface for
Continuous Level Sensors
Elburn,
IL -- Monitor Technologies is proud to announce the new WirelessEZ. The WirelessEZ Communication Interface (radio modem) is a practical option when hard-wiring is not feasible (example: to cross a river, to span a large facility, property is divided by a railroad track, etc.) It provides wireless communication for Monitor Technologies' SiloPatrol SE (SMU) plumb bob style sensor or Flexar guided wave radar sensor or customer-supplied equipment utilizing half-duplex RS-485 communications (please consult a Monitor Technologies application Engineer).
The WirelessEZ Communication Interface is suitable for wire-replacement applications when wired half-duplex RS-485 communication is not practical.
The WirelessEZ uses proven frequency-hopping spread spectrum technology, operating in the 900MHz band, to communicate between two points. The 900MHz band is a FCC license-free band and offers greater transmission distances, better signal transmission through obstructions and lower signal loss than other available higher frequency bands. WirelessEZ Communication Interface can be utilized in numerous applications, even with multiple sensor networks and over 100 sensors.
About Monitor
Monitor Technologies, LLC provides practical solutions
for level measurement instrumentation, solids flow
indicators, particle emission monitors and bin aeration
devices relating to the storage and processing of powders,
bulk solids and some liquids. For more details on Monitor's
product offerings please visit www.monitortech.com
or call 1-630-365-9403.
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.
