| Part Number | Description |
| 414A | Detech 414 Electron Multiplier |
For instruments: PerkinElmer AES-590, PerkinElmer AES-548
- High Sensitivity
- Stable Glass Surfaces
- High Gain
- High Reliability
- Best Value
- Long Life
| Part Number | Description |
| 414A | Detech 414 Electron Multiplier |
For instruments: PerkinElmer AES-590, PerkinElmer AES-548