Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G7005-60170 RIS Probe Maintenance Kit 1 002,62 € G3870-20449 Extraction Lens, 9mm 252,63 € 5190-5104 QuickProbe Liner, UI, 4mm ID, Frit 57,78 €