Dwyer GSTC-C-LCD Carbon Monoxide Transmitter is a reliable and accurate solution for monitoring CO and NO2 levels. With a drift of <5% per year, it ensures long-term stability. It operates in a temperature range of -4 to 122°F (-20 to 50°C) and has an enclosure rating of IP64 for durability. The field replaceable electrochemical sensor has a lifespan of 4 years and the transmitter offers BACnet MS/TP, MODBUS RTU, or MODBUS ASCII communication protocols. This transmitter covers an area of 5000 to 7500 sq ft and provides a resolution of CO: 1 PPM and NO2: 0.1 PPM.