Thermo Fisher Scientific
PM12 Personnel Gamma Portal Monitor
Personnel gamma portal monitor with high sensitivity for faster monitoring, and five modes of operation: walk through, one step, two step, three step and stand and turn.
The PM12 may operate in either minimum count time or maximum sensitivity mode: the user enters the desired alarm level and the monitor determines the minimum necessary count time to achieve it. When used with user identification, it may be used to monitor lung burden trends on individuals over time.
- Typical MDA of 200 Bq ⁶⁰Co on the surface of the body
- Five modes of operation, from walk through to stand and turn
- Additional ⁶⁰Co alarm with greater sensitivity than the standard alarm
- A human silhouette on the portal frame shows which of the eight detector zones is contaminated
- In its basic form no keypads or complicated displays are necessary
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Technical data
| Detectors | Eight large gamma-sensitive plastic scintillation detectors: three on each side, plus head and feet |
|---|---|
| Typical MDA | 200 Bq (6 nCi) of ⁶⁰Co on the surface of the body |
| Modes | Walk-through, one step, two step, three step, stand and turn |
| Alarms | Activity, high activity and ⁶⁰Co; on each detector, double and triple detector sum zones and gross sum (8 detector) zone |
| Lead shielding | 12.7 mm (0.5 in) or 25.4 mm (1 in) |
| Outer dimensions | 603 × 940 × 2190 mm (the LCD protrudes a further 290 mm) |
| Internal passage width | 710 mm in centre of portal |
| Mass | 820 kg or 1000 kg, depending on the shielding used |
| Connectivity | USB and Ethernet, embedded Windows operating system |
Source: Thermo Fisher Scientific, PM12 specification sheet (2016). Full specifications are available in the documents.
