Sale Staticmaster® Self Powered Alpha Ionizer - 1U400 Staticmaster® 1U400 Self Powered Alpha Ionizer - 1 Inch - 500 uCi Model 1U400 Specifications ISOTOPE: Polonium-210 MATERIAL: Stainless steel housing, aluminum grid EMISSION: Alpha ACTIVITY: 500... MSRP: Was: Now: $240.55 Add to Cart