Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G3170-60416 5977 CI 350 Repeller Heater assembly 22 213,44 Kč G3870-20444 Extraction Lens, 3mm 6 816,96 Kč 610-PO10-01 50:1 to 1,000:1 Split Ratio, Post-Colum Flow split Price on request