New gas measurement instrument uses infrared
A
Detector Electronics (UK) product story
Edited by the Engineeringtalk editorial team
Jul 16, 2001
The ability of Det-Tronics to respond quickly to a request from Global-Link International for an improved volumetric hydrocarbon vapour monitor has produced a new process gas measurement instrument
The ability of Det-Tronics to respond quickly to a request from Global-Link International of Calgary, Alberta, for an improved volumetric hydrocarbon vapour monitor has produced a new process gas measurement instrument, the PIRVOL Point Infrared Volumetric monitor.
A supplier of wellhead mud-logging systems for the oil and gas industry, Global-Link had been using thermal conductivity sensors in its 'Bearpaw' hydrocarbon gas system for volumetric measurement of natural gas levels at wellheads throughout western Canada.
However, costly monthly replacement of each thermal conductivity sensor set is typical when using destructive 'hot-wire' sensing technologies in such an application.
So their field operations supervisor took the need for an improved instrument with superior life cycle costs to Detector's Canadian representative at the National Petroleum Show in Calgary.
Despite a tight schedule and other critical projects, a working optical infrared instrument was developed from the established Det-Tronics PointWatch IR gas detector and delivered for field testing within the required short lead-time.
Global-Link purchased an initial 50 new model PIRVOL process gas monitors with more expected.
Additional demand for this new product in other hazardous protection system applications is already being addressed in such areas as the mining, natural gas processing and waste gas incineration industries.
By not needing routine calibration, PointWatch IR detectors offer reduced maintenance costs in comparison to traditional catalytic gas detectors, plus operation in oxygen depleted environments.
They also perform reliably in prolonged exposure to high concentrations of background gases and are unaffected by silicones or hydrides that poison other devices.
A multi-layer protection system shields the optics from dirt or water and they are heated to prevent condensation.
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