Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G7005-60170 RIS Probe Maintenance Kit 24 754,64 Kč G1099-80001 High energy dynode, 5973 series 88 955,88 Kč G7000-20446 Extractor Lens, 6mm, for 7000B QQQ 39 519,71 Kč