Digital thermometer
Specification
1.Extension temperature range : ：-50℃～+70℃
2. Resolution :mainframe is 0.1 ℃, extension :0.1℃
3.Mainframe temperature range ； -9.9℃～+70℃
4.Sampling period : manframe is 40 s , extension is 25 s
5.Battery ； 2pcs *7# battery
6.Storge temperature range :0℃～50℃
7. Emission distance ; wide area 40m , in 10 m can through wall ( according to the environment )
8Accuracy ： mainframe : ±1℃（0℃~30℃） in other range is ，±3℃ ,extension ±1℃（-20℃~40℃） ,in other range is ，±3℃
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