1. Requested Service Condition: 1.1. Ambient temperature: 0~20±2 1.2. Relative humidity: â?¤80% 1.3. Power supply: 220V±22Vï¼?50HZ 1.4. Should not be subject to severe vibration and mechanical shock 1.5. The air should not contain enough dust and impurities to erode device. 1.6. Should not be subject from strong electromagnetic interference. 1.7. Good ventilation 1.8. Grounding requirements: Ground resistance ï¼?1Ω
