... instrument, the instrument is simple, easy to use 2. cumulative dose and dose rate measurements show 3. ... choose low-power design, power off the battery voltage status indicator 9. electricity can be stored for long periods ... faster response 16. alarm threshold: 0.5,1.0,2.5,10,30,50,100,500 μSv / h 17 ... , the end of measurement can be used 15 days (normal working hours) 21. Dimension: 92* 58 * 25(mm) 22 ...