Capacitive Proximity Switch Fits In Tight Spaces for Bin Level Detection
The Model PAC30U and PDC30 capacitive style proximity switches from Monitor Technologies are new bin level detection devices for tight spaces and dry free-flowing powders and granular materials. The capacitive style proximity switch operates by detecting a change in capacitance as the material to be detected comes within close proximity or contact with the switch. These devices can be used in many applications where the granular or powder material is dry and free-flowing and has a dielectric constant within an adequate range. In addition, these devices are ideal level indicators where tight spaces exist at the desired mounting point. They are also relatively low in cost.
The Model PAC30U is a universal AC operated device (20-265VAC) and the PDC30 is DC (10-40VDC) operated. Both units are provided with a 30mm process connection and adjustable sensitivity. The PAC30U is UL listed for ordinary locations and both the PAC30U and the PDC30 carry the CE Mark and are warranted for 2 years.
Monitor Technologies LLC is a leading pioneer in level measurement and monitoring instrumentation for the worldwide powder and bulk solids industries. Celebrating its 50th anniversary in 2008, the experience and market knowledge gained over five decades has earned Monitor a reputation for providing high quality and reliable product solutions. Monitor is located in Elburn Illinois in the United States.
The PAC30U and PDC30 are some of the many level measurement and monitoring devices designed and manufactured by Monitor Technologies LLC in Elburn, IL. For additional information please visit www.monitortech.com, www.flexar.info and our weblog at www.typepad.monitortech.com. You can also contact Joe Lewis or Emily Jones at 1-800-766-6486 in the USA or 1-630-365-9403 for more information.
Why Use Solids Flow Monitors?
Assist in detecting problems & increasing automation
From complex automated systems with pneumatic lines
to straight-forward gravity chutes, solids flow monitors can help
to improve process performance. They are effective in detecting flow
problems, as well as enhancing the level of automation at a facility.
Solids flow monitors can assist in detecting problems in flow caused
by equipment failures, plugged lines, leaks, material bridges upstream,
low or no material, etc. They can also be used to add automation
to a process like opening or closing valves, turning a conveyor on
or off, and initiating a process function (spraying of a product
additive).
The Model SFI and SFD-2 line of solids flow detectors from Monitor
Technologies, LLC provide analog or relay outputs to indicate the
flow / no-flow condition of powder and bulk solids materials in chutes
and pneumatic conveying lines. Using microwave Doppler radar technology
these units are non-invasive and extremely reliable and rugged to
withstand the rigors of the installation and your process extremes.
Since there are no moving parts, these monitors can provide dependable,
low-maintenance service for many years.
Solids flow detectors like the Model SFI and SFD-2 can be used
in applications for a
variety of industries including construction materials (cement, sand,
gypsum, etc.), wood chips / sawdust, feed mills & grain processing,
consumer foods (cereal, coffee, sugar, cocoa, powdered milk, barley),
plastics, chemicals & pesticides, pharmaceuticals, and more.
One customer uses the analog signal from a Model SFI unit to monitor
the flow of carbon black in toner cartridge manufacturing to ensure
positive flow before further processing and to detect no-flow and
possible plugged conditions. Another company uses the Model SFD-2
solids flow detector to monitor the flow of coal into the burner
of a coal-fired power plant to detect no-flow conditions and ensure
safety.
Whether a solids flow monitor is used to detect problems, increase
automation or both,
the end result is a substantial long term cost
savings through: eliminating product waste,
cutting “downtime”, reducing employee time spent on watching
the processes or cleaning up spills/messes, increasing product quality
(reducing defective product), and decreasing maintenance time / replacement
costs on other methods of flow detection.
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