Dwyer GSTC-N-FC is a Nitrogen Dioxide Transmitter with a drift of less than 5%. It operates in temperature range of -4 to 122°F and has an accuracy of CO: ±2% FS and NO2: ±3% FS. With power requirement of 10-36 VDC, 21.6-33 VAC and low current consumption of 5.7 mA @ 24 VDC, it offers quick response time (<45s to 90% CO, <25s to 90% NO2). The transmitter features a field replaceable electrochemical sensor and an IP64 enclosure rating. It offers multiple output signal options (BACnet MS/TP, MODBUS® RTU, or MODBUS® ASCII) and covers a typical area of 5000 to 7500 sq ft. It can be calibrated and adjusted via pushbuttons and comes with a removable terminal block for electrical connections.