Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G2440-60200 Ceramic Channel Electron Multiplier AY 4 385,19 € 05971-80101 Electron multiplier 3 308,11 € 610-PO10-01 50:1 to 1,000:1 Split Ratio, Post-Colum Flow split Price on request