Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended 5190-5104 QuickProbe Liner, UI, 4mm ID, Frit 1 426,47 Kč G7000-20444 Extractor Lens, 3mm, for 7000B QQQ 6 432,31 Kč G3170-60172 5975C SST EI 350 Repeller Assembly 28 384,99 Kč