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HF/QG-A/B/C Series Post-accident Measurement Device

HF/QG-A/B/C Series Post-accident Measurement Device

The post-accident measurement device is an ionization chamber type γ radiation measurement instrument featured with wide range, resistance to high temperature, radiation, and impact vibration, and meets the requirements of electromagnetic compatibility. It is used for measuring the radiation field during reactor operation and accident, as well as radiation field after accident.

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Measurement range:

  • Type A: 3.6×102 – 3.6×108μGy/h
  • Type B: 3.6 – 3.6×106μGy/h
  • Type C: 3.6×103μGy/h – 3.6×109μGy/h

Energy range of γ rays:

  • 400keV – 7.1MeV (for Type A and B)
  • 80 keV – 7.1MeV (for Type C)

Error: The error for γ radiation dose of 60Co or 137Cs is smaller than ±20%

Protection level of enclosure : IP65

Reliability: MTBF (mean time between failures) ≥5000h

Maintainability: MTTR (mean time to repair) ≤0.5h

Dimensions:

  • Φ×H = 290×420 (chassis diameter×height) (for Type A and B)
  • Φ×H = 133×355 (chassis diameter×height) (for Type C)

Weight: about 16kg (cable and mounting bracket excluded)

Environmental Compatibility. The device can work normally under the following environmental conditions:

  • Working temperature: 0 – 207℃
  • Impact resistance acceleration: 10g
  • Humidity: 95% (45℃), with condensation
  • Salt spray, oil spray, mold
  • Impact, vibration
  • Tilting, swinging:  Rolling: ±45°, cycle: 3s – 14s; Heeling: ±15°; Pitching: ±15°; Trimming: ±10°

Related Products

STM GR2

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