Product category:
Environmental contamination, noise, dust and fume extraction, sensors
News Release from: Groveley Detection | Subject: GDU detector
Edited by the Manufacturingtalk Editorial
Team on 10 January 2006
Ultrasonic gas leak detector is
omni-directional
Groveley Detection is launching a new omni-directional airborne gas leak detector that responds to pressurised gas leaks.
Groveley Detection is launching a new omni-directional airborne gas leak detector that responds to pressurised gas leaks The intrinsically safe GDU detector instantly detects leaks operating over a wide dB range by 'hearing' the sound generated by escaping gas at ultrasonic frequencies rather than responding to specific values of LEL or ppm
This article was originally published on Manufacturingtalk on 24 Nov 2006 at 8.00am (UK)
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Groveley's GDU complements existing gas detection methods used in refineries, gas plant and offshore installations.
It constantly monitors areas in which industrial operations are occurring (or are likely to occur) without affecting the ability to detect dangerous gas leaks.
Groveley's Dr Eliot Sizeland says: "The GDU has been in development for two years and offers significant benefits.
"It will reduce costs and add earlier detection of dangerous situations - early industry feedback is extremely positive.
"The novel modified polyphenylenesulphide enclosure ensures the GDU is small, light and easy to fit, it needs no orientation and has a large area of coverage - whilst being intrinsically safe, no flame path inspection is required".
The GDU is not direction-sensitive because it contains a wideband piezoelectric transducer.
This is particularly useful for onshore applications, as the all-round detection capability can be maximised to cover large areas of risk from a single location.
The GDU's analogue output means the alarm level can be adjusted higher than its local background noise, making it suitable for areas with differing ambient noise.
Sensitivity can be tailored to suit an installation's specific applications to avoid unwanted alarms.
It is configured with an industry-standard two-wire 4-20mA output for easy interfacing to plant control DCS and no field set-up is required as the unit is factory calibrated.
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