Product category:
Proximity Sensors
News Release from: Contrinex UK | Subject: Contrinex E series miniature sensors
Edited by the Engineeringtalk Editorial
Team on 06 June 2007
Miniature sensors handle 20bar
Contrinex E series miniature sensors can be embedded in pressurised systems to detect moving elements or targets.
Contrinex has developed the series E range of miniature sensors that can withstand up to 20bar continuously on the front face Available in 4mm, M5, 6.5mm and M8 sizes, these devices can be embedded in pressurised systems to detect moving elements or targets
This article was originally published on Engineeringtalk on 11 Feb 2003 at 8.00am (UK)
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A typical application would be for where gear tooth detection is required for speed or position control in gearboxes, dispensing and water pumps and similar equipment.
In addition to its high degree of sealing this range has a 5KHz, switched output that can be essential when counting small gear teeth reliably.
Another application is in pneumatic systems to detect piston positions within cylinders.
Where cylinders are subject to high vibration and shock, conventional reed switch feedback is often not suitable whereas the series E sensor provides a stable and positive control feedback in the most aggressive vibration conditions.
The sensing face of the series E sensors ise made from tough sapphire on the 4mm and M5 versions and from thick ceramic on the 6.5mm and M8 models.
This is because the conventional plastic front face found on many sensors of this type is vulnerable and unsuitable in applications where the sensor is in continuous contact with fluids and lubricants.
The housings are precision machined from tough V2A stainless steel that is resistant to most corrosive liquids and media.
High-flexibility polyurethane (PUR) cables are fitted to all models as PUR is resistant to most oils and remains flexible even at low temperatures, thus preventing cracking or splitting that can lead to system failure.
The rear of the sensors are IP68 sealed, they have a wide voltage supply range of 10 to 30V DC and will switch an output current of 200mA.
The sensing range is stable from -25C to +70C and they are short circuit and inverse polarity proof and overload protected.
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