Wide range from 20 keV to 3.0 MeV with a sensitivity of 80 cpm/μSv (Co-60). Real-time measurement range of 0-99.99 /h and cumulative range of 0-999.9 / Data logging capability with storage for up to 1000 sets of measurements. -compensated tube for accurate detection of hard rays, gamma rays, and X-rays. Operates in a temperature range of -20 to 60°C and measures humidity from 0-100% with high accuracy., Weight: 1.984160358 pounds, Manufacturer: Uxsjakjsd