Thermo Scientific Delta Ray Isotope Ratio Infrared Spectrometer

Tuesday, 10 December, 2013 | Supplied by: Thermo Fisher Scientific

The Thermo Scientific Delta Ray Isotope Ratio Infrared Spectrometer is an analyser for the continuous measurement of isotope ratio values from CO2 in ambient air. The ability to transport the system into the field can enable scientists to continuously collect data 24 hours a day.

Scientists can measure short duration phenomena that may have previously been missed due to the low-frequency sample acquisition. By comparison, a lab transporting samples from the field might only be able to collect one or two samples per week. In addition to more data, the field-deployable system can reduce or eliminate costs for vials, flasks and transport.

The analyser uses laser-based mid-infrared spectroscopy to simultaneously measure carbon-13 isotope and oxygen-18 isotope with a precision of better than 0.1 parts per thousand in minutes. The mid-infrared range produces absorption signals about 8000 times stronger than the near-infrared, enhancing performance and reducing the need to clean the mirrors.

The system’s Universal Reference Interface is engineered to automate referencing and calibration for verifiable measurements. The system is designed to measure large- and small-scale changes in atmospheric CO2 at concentrations from 200 ppm to 100% (with optional dilution box) over a wide range of time scales.

The instrument is designed to be robust and simple to operate. Thermo Scientific Qtegra software is intended to enhance the usability, with a dashboard for system status, ‘Get Ready’ button that prepares the system for operation with one click, ‘LabBook’ objects containing methods and results, and ‘Workflow’ display to simplify navigation.

The entire system fits the cargo areas of most sport utility and other light vehicles due to its small 588 x 424 mm footprint and 37 kg weight. An external computer is not needed.

Phone: 1300 735 292
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