... dose rate measurements show 3. instruments while high sensitivity, fast response, measurable environmental background 4. utomatically switch the unit of measurement ... : measuring time automatically selected based on ray intensity, faster response 16. alarm threshold: 0.5,1.0,2.5,10,30,50 ... ,100,500 μSv / h 17. Protection Alarm response time: ≤ 5 seconds 18. Display: Graphic Dot Matrix 19. LCD ...