试验机的工作条件
Working conditions of the test machine
1． 在室温10℃-35℃范围内，相对湿度不大于80%；
1. at room temperature of 10 -35, the relative humidity is not greater than 80%.
2． 在稳固的基础或工作台上，正确安装；
2. correct installation on 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；
No corrosive medium around 4.;
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 supply voltage should not exceed 10% of the rated voltage.
6． 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 tester should be reliable and the frequency fluctuation should not exceed 2% of the rated frequency.
7． 在稳固的基础上正确安装。
7. correctly installed on a solid basis.