Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G1999-20443 73CI ION Focus Lens 5 155,49 Kč G1099-80001 High energy dynode, 5973 series 94 623,03 Kč G2440-60200 Ceramic Channel Electron Multiplier AY 109 322,78 Kč