Light-detecting assemblies made to order
January 2001
Level Measurement & Control
Electron Tubes' light detector assemblies provide the instrument designer with a wide range of analog and digital, high performance, plug-and-play solutions for low and high light level detection and measurement. The output signal of the photomultiplier is processed via photon counting, pulse encoding or analog detection.
The assemblies are light-tight and offer combinations of photomultiplier, power supply, voltage divider, electromagnetic screening, electrostatic screening, counter-timer/RS232 connection and signal processing electronics.
Light detector assemblies require minimal or no setting up, saving time in development and manufacture. They are ideal for use in spectrophotometry, bioluminescence and chemiluminescence, high light levels, scintillation counting/nuclear radiation detection and high energy physics experiments.
Components can either be encapsulated together to give a package or exist individually as a module offering added versatility. The user may also choose end-window (EW) or side-window (SW) photomultipliers.
Electron Tubes (represented locally by OEN Enterprises) has produced over two hundred types of photodetector assemblies, all manufactured to individual customer specifications.
Further reading:
‘Control Talk SA’ podcast with Emerson on level measurement for the mining industry
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VEGA leads Africa’s next mining era
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Level measurement for hygienic applications
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Ferric chloride and other acids are essential chemical substances in water and wastewater treatment. To control the dosing of acid solutions, an Australian wastewater treatment plant uses a special container to store, mix and add these chemicals. The company opted in favour of KROHNE’s OPTIWAVE 1540 radar level transmitter
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The Senix ToughSonic 30 accurately measures and monitors the level of palm oil in large tanks approximately nine metres in height.
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Precise level control
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Whether in silos, tanks or process containers, the exact detection of fill levels is crucial for stable, safe and economical production processes. However, many common measuring methods quickly reach their limits in practice.
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