A complete kit including one universal Midas®transmitter unit (Midas-T-001) and one Midas®sensor cartridge can be ordered as acombined package. Each cartridge is supplied with an extended 2 year warranty. This is the recommended kit for a new installation ofa complete gas detection circuit. Cartridge and Transmitter are packaged separately for ease of installation. The detectable range islisted (outside of deadband). With the exception of O2(where ambient concentration is typically 20.9%), the sensors will display zerowhen no gas is present.