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Safer gas detection with DualSense technology

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Workers in the oil and gas industry encounter a wide range of dangers in inherently risky environments. Many of the environments can be hazardous, where workers are at risk of exposure to dangerous gases. Capable of detecting H2S or SO2 as well as CO, or NO2, is the new Tango TX1 single gas monitor with DualSense technology. Prompting the development of the Tango was a study of more than 2,2 million iNet data points and 25 000 gas detectors used in the field over a two-year period, revealing the inability of many gas detection users to adequately bump test their instruments.

Most common of these gases is hydrogen sulphide (H2S), a colourless gas that is known by its characteristic rotten egg-like odour. Because it is a naturally occurring gas contained in many of the world’s crude oils, it can be found in just about every aspect of the oil and gas production process. Every process, from exploration and drilling to refining, demands personal monitoring of this deadly gas. Another dangerous gas often present in the oil and gas industry is sulphur dioxide (SO2), a colourless gas with a characteristic, irritating, pungent odour. In low concentrations, SO2 can produce burning of the eyes, nose and respiratory tract, with high concentrations causing death quite rapidly. This gas is released when burning fossil fuels, so processes that contain fuel-fired furnaces, FCC units, sulphur recovery units and flaring operations can produce high concentrations of sulphur dioxide.

The Tango uses two identical sensors to detect the same gas. The two readings are processed through a proprietary algorithm and displayed as a single reading to the user. Workers in the oil and gas industry wearing the Tango are 85 times safer than they would be using any other single gas monitor available today, regardless of bump test frequency. With the sensor redundancy of DualSense technology, users of the Tango do not have to worry whether or not their gas detector will keep them safe in the field. The Tango is powered by one replaceable 2/3 AA lithium battery that will power it continuously for three years, even if the instrument is being used in the optional “always on” mode. With a three-year instrument warranty, three-year CO and H2S sensor warranty, and two-year SO2 and NO2 sensor warranty, the Tango is the most cost-effective instrument on the market today. For more information email sales@comtest.co.za

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