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Level Measurement

Level sensors detect the level of substances that flow, including liquids, slurries, granular materials and powders. Level detection sensors include vibrating, rotating paddle, mechanical diaphragm, microwave (or radar), capacitance, optical, pulsed-ultrasonic and ultrasonic. In deriving the value of the height of some material from a lower point to a higher point, some level measurement devices do so by “drawing” horizontal lines plumb and parallel to each other at the two points. Further refinements in measurement follow from this point.

ARTICLES

Interface for Continuous Level Sensors

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The WirelessEZ communication interface (radio modem) from Monitor Technologies is a practical option when hard-wiring is not feasible.
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Compact Vibrating Rod for Use in Small Bins

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BinMaster introduces the new CVR-625, a compact vibrating rod that is ideal for small bins, hoppers and feeders.
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Guided Wave Radar Integrity Testing

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Emerson Process Management introduces the world’s first online Guided Wave Radar (GWR) transmitter and probe testing function.
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Linear Position Transmitters

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Configured with a float, Macro Sensors HSIR Series LVDT Linear Position Transmitters are serving as level sensors to measure liquid level changes from a few inches to several feet in gauging tank level volumes.
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Bin Level Control

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Conveyor Components Company’s Model CR Roto-Level Control provides storage bins with protection from material overflow, empty bins, abnormal levels and plugged chutes.
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Adjustable Rotary Level Indicator

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BinMaster introduces a new adjustable rotary level indicator for use as a high level indicator in bins, tanks and silos.
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Rotary Paddle Switch

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The ROTALOG Rotary Paddle Switch by Mucon, presented by Kemutec, is designed to signal the presence or absence of bulk materials in silos and hoppers as well as for blockage detection in conveyor chutes.
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Radar Level Meter for Liquid Applications

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KROHNE, Inc. introduces the OPTIWAVE 5200 C/F, a new 10 GHz FMCW radar level meter for liquid applications in up to a 30m (98 foot) measuring range.
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Free Space Radar Level Transmitters

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Endress+Hauser's Micropilot FMR5X series of free space radar level transmitters has software with multi-echo tracking algorithms and functions to suppress interference echoes.
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Guided Wave Radar Transmitter

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Magnetrol International’s ECLIPSE Model 706 guided wave radar (GWR) transmitter delivers outstanding accuracy, reliability and safety for virtually all process industries. The transmitter provides efficient and cost-effective liquid level
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