Signal’s sample handling modules and components condition gas samples in preparation for analysis.
Within the field of gas analysis much time is spent looking at the accuracy and uncertainty in the detection technique. However, without appropriate sample handling, what you are measuring could potentially bear little or no relation to your original sample.
Signal manufacture our own range of sample handling components including chillers with minimal condensate contact to limit and loss of soluble species, heated transfer lines to prevent condensation, probes to ensure representative samples are obtained, plus various filters to protect expensive and delicate analysis modules.
A light duty, portable heated pump and pre-filter unit for use with single heated instruments. Provides variable inlet pressures and sample flow rates for very low sample pressures, or very long heated lines, or for pumpless measurement instruments.
A built-in heated pump draws sample from the pre-filtered exhaust probe. This is then distributed to two heated analysers, and a third line is fed to a cooler dryer for sample conditioning for dry gas analysers such as the Signal multi-gas PULSAR range NDIR analysers. The two filters can be switched via an external switching unit (picture shows dual channel Model 362).
The Front End Filter (FEF) module is a prefilter which is installed close to the sampling point, providing sample filtration and system integrity checking with Span gas being passed down the heated line to check for hydrocarbon ‘hang-up’.
The 250 Portable cooler dryer removes water vapour from stack and exhaust emission gases, before analysis by ambient analysers. Errors due to water interference are removed and condensation is prevented from occurring inside the analyser.
The 200SM Series of 19″ rack mounting cooler dryers remove water vapour from Stack and Exhaust Emission gases, before analysis by ambient analysers. Errors due to water interference are removed and condensation is prevented from occurring inside the analysers. The unit is based on a solid state Peltier cooler element with a continuous peristaltic pump which removes the unwanted water.
Get in touch to discuss your Sample Handling requirements.
Signal Group’s portable heated FID VOC analyser, the S4 SOLAR XPLORE, has made it to the finals of the Instrumentation Excellence Awards, and a team from Signal will be donning their red-carpet attire for a glittering award ceremony that will take place at the Grand Connaught Rooms in London on
Intriguingly, the Signal Group stand will be staffed by gas analysis experts wearing T-shirts saying ‘Ask me about MCERTS!’ It’s too early to say more, but anyone interested in VOC emissions monitoring should head for Stand-L5…if only to try out the detachable tablets. With a heavy focus on technology development,
Researchers at the University of Sheffield are exploring new exhaust aftertreatment systems for heavy-duty engines capable of running on clean, zero-carbon fuels. This 4-year project is funded by an EPSRC grant and supported by the industrial partner Eminox. The project is led by Bill Nimmo, Professor of Energy Engineering and
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