Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G3170-60171 5975C Inert EI 350 Repeller Assembly 1 504,43 € G7005-60170 RIS Probe Maintenance Kit 1 052,25 € G3170-20540 CI Lens Insulator 233,48 €