Combustible sensor, 0 to 100% LEL, for X-am 1700, X-am 2000, and X-am 5000 instruments only; 2-year warranty for X-am 1700 and X-am 5000; 3-year warranty for X-am 2000Note: This sensor replaces Drger combustible sensor Cat. No. 805-11050, which is now obsolete. To use this new sensor in an X-am 1700/2000/5000, the instrument has to have a firmware update to versions > 4.0. Additionally, all X-am 1700/2000 users need an updated CC-Vision or GasVision version if X-am versions > 4.0 are used.Drger No. 6812950 Only ships to Alaska, Arizona, California, Colorado, Hawaii, Idaho, Nevada, Oregon, Utah, Washington. Wyoming