Certificate: Comes with general calibration certificate Measurement temperature range (°C): Temperature (T1): -20.0 to 60.0°C, Temperature probe (T2): -30.0 to 70.0°C Temperature minimum display (°C): 0.1 Measurement humidity range (%RH): Relative humidity (RH): 10.0 to 99.9%RH Minimum湿度显示(%rh):0.1 测量项目:内置传感器:温度(T1)和相对湿度(RH),温度探针:温度(T2) 电源(V):4 AA碱性电池(不包括)AC适配器AC适配器AX AX-TB248(不包括) (MM):100 电源:4 AA碱性电池(不包括)或专用AC适配器AX-TB248(不包括)