Performs tritium-in-air monitoring directly around a seated operator or maintainer located in a potentially tritium active location or performing tasks which could result in tritium release。直接圍繞位于潛在氚活動位置的操作員或維護人員執行空氣中氚的監視，或執行可能導致氚釋放的任務。
Features
- Convenient tritium-in-air monitoring
- Easily moved
- Simultaneously monitors four locations
- Can be placed close to the source of measurement
- Measures to 1 μCi/m3
- Provides permanent record
- Bubbler check measurement
Specifications
| Sensitivity | 1 μCi/m3 |
| Range | 0-10 Ci/m3 |
| Alarms | High tritium alarm for each ion chamber |
| Power Supply | 110V 50/60 Hz |
| Ion chamber quantity and size | 4 x 1000 cc |
| Bakeability of ion chambers | 350°C |
| Flow rate at each location | 10 cc/sec |
| Physical Size | Height 750mm Width 750mm Depth 600mm Weight 90kg |