CET makes rugged, reliable analog transmitters in several configurations to suit many different applications. They are available with a variety of sensor types to detect a wide range of gases, including electrochemical, catalytic, infrared and solid state. Several enclosure options are available to meet the environmental requirements. CET analog transmitters feature 4 to 20 mA linear output signals, automatic thermal resetting fuse and LED indication for power and alarm. Options include a field settable dry contact relay and a local digital display. Calibration and maintenance procedures are simple and are easily performed in the field.