1. Alatitude not exceeding 1000m
2. Ambient temperature:-5 5 ℃~40 0 ℃
3. Relativen humidity not more than 90%(below20 0 ℃)
4. Frequency range: 10Hz~150Hz, the maxi vibration not more than 0.5g
5. Voltage fluctuation<10% rating operating is guaranteed
6 The working place shall have no conductive gas.
