Technical index:
1. Detection ray: X, r and hard β ray
2. Detector: Energy compensation GM pipe (Geiger counting pipe)
3. Measurement scope
a. Dosage equivalent rate: 0.08—99999 μSv/h (maximum: 100 mSv/h)
b. Accumulative dosage equivalence: 0.00μ Sv—999.0 mSv
4. Energy scope: 50 keV—1.5 MeV ≤ ± 30 % (as for 137 Cs I)
5. Relative innate error: ≤ ± 10 % (137 CS 1 mSv/h)
6. Flexibility: 80 CPM/μSv/h (as for Co—60)
7. Alarm valve value:
a. Dosage rate: Selection among 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0, 50.0, 100.0μSv/h at disposal.
b. Accumulative dosage: Selection among 0.05, 0.5, 1.0, 1.5, 2.0, 5.0, 10.0, 20.0, 50.0, 100.0 m Sv at disposal.
8. Unit of dosage rate: μSv/h, μGy/h, m R/h.
9. Measurement display: The dosage rate is displayed per second; the protection alarm response is less than 5 seconds.