... x rays.4, Measuring range, dose rate: 0.000usv/h-5msv/h Accumulated dose: 6-digital LCD display 000.000-999.999msv5 ... , Relative basic error: <±10%(135Cs Source 662 KeV γ Radiation 1msv/h).7, Alarm response time: ≤3 seconds.8, Alarm functionDose rate ... value: 0.5,1.0,2.5,10,30,50usv/h. 9, With accumulated dose memory function, after power-failure, data can ...