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A belt weigher is normally mounted in a well supported straight section of belt, with no vertical or sideways curvature, and as close to level as is practicable. The weighed support must be aligned vertically and horizontally with the adjacent supports to avoid tensile forces in the belt skewing the
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with the belt speed to compute the mass of material moving on the belt, after allowing for the mass of the belt itself. Belt weighers generally include the necessary electronics to perform this calculation, often in the form of a small industrialized
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Some belt weigher controllers offer features such as driving output to stop the belt when a predefined mass of material has been measured, or a range of alarms to indicate nil flow, belt slippage, and belt stoppage.
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Belt weighers replace a short section of the support mechanism of the belt, which might be one or more sets of
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used to measure the mass and flow rate of bulk material traveling over a conveyor belt. Invented by
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in the early 1900's, belt weighers are commonly used in plants and heavy industries, such as
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measurement. Due to the belt tension variation, frequent check calibration must be done.
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rollers, or a short section of channel or plate. This weighed support is mounted on
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Plant Flow
Measurement and Control Handbook: Fluid, Solid, Slurry and Multiphase Flow
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Higashitani, Ko; Makino, Hisao; Matsusaka, Shuji (30 October 2019).
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Cross, Ralph; Vandelinde, Henry; Morrissey, Matt (2013).
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225:Automated Weighing Technology: Process Solutions
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242:(Fourth ed.). CRC Press. p. 577.
165:Outputs from belt weighers are typically:
122:or belt weigher, more commonly known as a
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169:pulses at predefined increments of mass
202:. Jonathan Simpson. pp. 92, 93.
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176:signal proportional to the flow rate
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240:Powder Technology Handbook
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198:Basu, Swapan (2019).
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