What is the difference between the Millenniums and the GS2?
The Millennium is a transmitter that can be used in conjunction with combustible and toxic gas sensors, airborne particle monitors (APM), and oxygen deficiency sensors. The GS2 is a transmitter that can only be used with toxic gas sensors. The Millennium is certified for Class I, Division 1 areas, while the GS2 is certified for Class I, Division 2 areas.