【Specifications】 ●Operating temperature and humidity: 0 to +50℃, 80%RH or less (However, no condensation) ●Storage temperature and humidity: -10 to +60℃, 80%RH or less (However, no batteries and no condensation) ●Power supply: 2 AA batteries ●Battery life: Approximately 30 hours (使用碱电池时) ●校准:不可能 ●标准合规性:IEC 61010-1 CAT,IV 1000V ●尺寸(mm):大约W 24 x H 161 x D 29 priove(g)●重量(g):大约68(包括电池)