Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G1099-20133 Repeller insulator 4 547,40 Kč G2440-60200 Ceramic Channel Electron Multiplier AY 109 322,78 Kč G3170-20430 CI ION Source Chamber 33 841,15 Kč