Dwyer GSTC-C Carbon Monoxide Transmitter is a reliable and accurate device for monitoring CO and NO2 levels. With a drift of less than 5% per year and an accuracy of 2% FS for CO and 3% FS for NO2, it provides precise measurements. The transmitter has a wide temperature range of -4 to 122°F (-20 to 50°C) and can be powered by a variety of sources. It features a field replaceable electrochemical sensor with a 4-year lifespan and an IP64 enclosure rating. The device offers multiple output signal and communication protocol options, making it versatile and compatible with various systems. It has a coverage area of 5000 to 7500 sq ft and can be easily calibrated and adjusted. The GSTC-C is constructed with a durable and UV resistant housing and offers high resolution measurements.