Zone dosimeter
This advanced technology portable device, designed to meet strict quality requirements, uses real-time digital techniques to improve the quality of control and monitoring of external gamma radiation environmental dose rates.
| Technical characteristics |
|---|
| Type 70 003A Geiger-Müller detector with axial compensation |
| – Energy range: 30 keV to 1.25 MeV relative to 137Cs (662 keV) – Dose range: 1 to 35×104 µSv/h – Plateau threshold voltage: 400 V – Starting voltage: 325V – Plateau width: 200V – Recommended supply voltage: 500 V – Dead time: ≤ 80 µs |
| Measurement quantity: ambient dose equivalent rate and counts per second |
| – Measuring range: 1 µSv/h – 10 mSv/h – Statistical fluctuation of the measurement (standard deviation): < 15% – Instrument display resolution: 3 significant digits plus the measurement unit |