... description radiation Alarm dosimeter Measuring range 0.01usv/h-5msv/h accumulated dose: 5-digit LCD display 000. ... rays.4,Measuring range, dose rate: 0.01usv/h—5msv/h accumulated dose: 5-digit LCD display 000.01—999 ... error: <±10%(137Cs Source 662 KeV γ Radiation 1msv/h).7,Alarm response time: ≤3 seconds.8,Alarm ... 0.5,1.0,2.5,10,30,50usv/h. 9,With accumulated dose memory function, after power-failure, ...