![background image](http://html1.mh-extra.com/html/2m-technology/2mthfr-2m/2mthfr-2m_quick-manual_3080330003.webp)
2
Pollution degree of the intended environment: the operational environment
should be with less dust to avoid the pollution of blackbody target. (Pollution
degree 2)
If the euipment is used in a manner not specified by the manufacturer, the
protection provided by the equipment may be impaired.
2
Appearance and Size
Appearances and sizes vary with device type. The actual product shall prevail.
Appearance and Size 1
Appearance and Size 2