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2)Ambient temperature: -25 °C~ +55°C
3) Operational humidity: 45% to 90%
4) Power-frequency withstand voltage: 2500V AC, 1min
5) Contact resistance: ≤50mΩ
6) Mechanical life: Monentary 1000, 000, others:10, 000
7) Electric life: Monentary 100, 000 others:50000
8) Protection grade: IP40,IP67 with cover
9)Certificate: CCC, CE
Our product is small size, high precision, fast read speed, simple installation when compared with traditional voltage meter. They are widely used in household appliances, electric force, telecommunications, machine tool, vessel, textile, printing, Mining machine, Mustic Instrument, etc
