The Siemens Ultramat 6 E 40VA 100-120V 47…63Hz Gas Analyzer 7MB2121-1ND00-0AA1 is a high-quality gas analyzer specifically designed for measuring SO2 levels. Manufactured in France by Siemens, this unit is reliable and efficient in providing accurate readings. With a voltage range of 100-120V and a frequency of 47…63Hz, this gas analyzer is suitable for various industrial and commercial applications where precise analysis of SO2 emissions is required. Its compact design and easy operation make it a valuable tool for ensuring air quality and compliance with environmental regulations.