Dwyer CMT200-R-FC Carbon Monoxide Transmitter is a reliable and accurate device for monitoring carbon monoxide levels. It has a temperature range of -4 to 104°F (-20 to 40°C) and an accuracy of ±2.5% of reading. The transmitter operates on a power requirement of 24 VDC/VAC at 100 mA and has a response time of less than 60 seconds. The range of detection is 0 to 125 PPM CO, and it utilizes an electrochemical sensor with a 2 to 3-year expected life. The transmitter can handle humidity levels from 15 to 90% and covers an area of 7500 square feet. It has a two-line 8-digit alphanumeric LCD display and offers a voltage range of 4 to 20 mA and 2 to 10 VDC. The device also comes with an optional relay with (2) SPDT 1 Amp dry contacts. With a repeatability of ±1% of reading, the CMT200-R-FC ensures accurate and reliable monitoring of carbon monoxide levels.