Air Ionization Chamber Survey Meter - Model 9-4
Features

  • 5-Decade Ion Chamber
  • Ranges: 0–500 mSv/h (0–50,000 mR/hr)
  • 1000 mg/cm² Retractable Beta Shield
  • Automatic Temperature & Pressure Compensation
  • Low-Battery Warning
  • High-Background Zero Capability
  • PC-Controlled Calibration
  • Includes an Adjustable Shoulder Strap