1、在室温10℃-35℃范围内，相对湿度不大于80%；

1. The relative humidity is not more than 80% in the range of 10 -35 C at room temperature.

2、在稳固的基础或工作台上，正确安装；

2. Correct installation on a solid foundation or worktable.

3、在无震动的环境中；

3. In the environment without vibration;

4、周围无腐蚀性介质；

4. There is no corrosive medium around.

5、电源电压的波动范围不应超过额定电压的±10%；

5, the fluctuation range of the power supply voltage should not exceed 10% of the rated voltage.

6、小型弹簧疲劳试验机电源应有可靠接地；频率的波动不应超过额定频率的2%。

6. The power supply of the small spring fatigue testing machine should be grounded reliably; the fluctuation of frequency should not exceed 2% of the rated frequency.