R.STAHL AMMETER SERIES 8406C6 Moving coil ammeter Direct measuring Ammeter Rated operational current for AC: 0.020 A Ammeters in various versions, for Ex e enclosures Quicker comparison of measured values using externally adjustable red pointers on the device Selection of different current measuring ranges R. STAHL Series 8406C6 ammeters are installed in Ex e type of protection enclosures. They provide measured values for circuits which can be quickly compared with the desired values via a red pointer affixed on the outside. The devices work with a moving iron movement with accuracy class 2.5.