Gas detector

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The ReAct 4 gas sensor has been developed to measure concentration of reactive gases when an Ex device is required, including aggressive and corrosive atmospheres. Designed in accordance with the ATEX Directive, it is intended to operate within explosive atmospheres (Zone 2), which also allows it to function in other harsh environmental conditions, such as when there are high temperatures, vapours, moisture or dust around. The ReAct 4 detector is based on a newly designed electronic platform with Bluetooth communication. The device has been developed to replace the Sigma ReAct and ReAct sensors previously offered by the manufacturer. The state-of-the-art HR measuring head the ReAct 4 detector is equipped with provides significantly better measuring properties compared to the sensors it replaces. In addition, the device has self-diagnostic features – if a malfunction is detected, it informs the user. The sensor is available in two variants – in a PES housing without display or in an acid-resistant steel housing with a unique four-colour FLED display.