IC3 Ion Chamber

Technical Information

• Measuring Range:
• 1 µSv/h to 1 Sv/h (0.1  mR/h to 100 R/h)
• Accuracy (Cs-137):
• ±10% of reading within measuring range
• Sensitivity:
• From 0.1 mR/h to 250 mR/h: 172 cps/mR/h
• From 250 mR/h to 50 R/h: 1.72 cps/mR/h
• Gamma Energy Dependence:
• Better than ±20% from 20 keV to 1.3MeV (related to 137Cs)
• Beta Energy Dependence:
• Better than ±20% from 200 keV
• Angular Dependence (Cs-137):
• Less than ±30% (for ±90 deg. front direction)
• Ion Chamber Volume:
• 350 cc