仪表，会用很重要，安全的用更重要

[{"attributes":{"color":"#222222","bold":true},"insert":"1 保证良好的接地"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"一定要使用高品质的三端子电源线。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"检查交流电源的质量，一般情况下仪表使用的电压为110V，220V误差不超过10%。接地线阻抗应小于1欧姆，零线和地线间电压应小于1V。必要时应使用不间断电源（UPS）"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"老式的HP仪表有输入电压110V或220V的选择开关，接上电源之前应检查老式仪表的电源输入开关选择是否正确。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"良好的接地可以防止静电的聚集，从而避免仪表的损坏。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"不要因为使用不合格的电源线接线板，电源线和没有接地的变压器等而破坏接地。"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":"· "},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222","bold":true},"insert":"2 仔细阅读警告标签和仪表技术指标"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"加到仪表上的功率/电平不要超过仪表技术指标以及仪表上的黄色标签限定的值：例如频谱仪前面板上的黄色警示标签指明：最大射频输入功率为30dBm，0V DC直流耦合或100V DC交流耦合。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"了解满足仪表技术指标的使用条件。诸如稳定时间，仪表的设置，使用前校准等等。"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222","bold":true},"insert":"3 避免输入功率超容限"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"使用前估计一下待测信号功率，避免输入仪表功率超过仪表容限：过大的功率会损坏仪表的内部器件。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"在打开连接的设备或者开关被测件之前，将其信号幅度降低到最低的安全水平，以避免在开关时产生的扰动损坏仪表输入输出口。"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222","bold":true},"insert":"4 保护射频输入输出接口"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"不要弯曲或者撞击到仪表上的被测件"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"要让接到仪表上的被测件有适当的支撑，不要将被测件悬空接到仪表上。 注意区分50欧姆和75欧姆的连接器和电缆等。"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222","bold":true},"insert":"5 正确使用射频电缆和射频连接器"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"不要弯折电缆，用力弯折电缆会立即造成电缆损坏。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"尽可能减少连接次数以减少磨损。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"连接前检查连接器不要有灰尘，硬伤等。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"及时清洁连接器以保证良好的电气性能和避免损坏。"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222","bold":true},"insert":"6 遵守防静电规程"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"静电会造成器件损坏，一定要尽可能在防静电区域使用仪表。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"射频电缆接到仪器上时，最好先将射频线缆的内外层接地释放静电。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"要将仪器后面的接地柱接上地线。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"在仪表使用过程中要使用防静电手环。"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222","bold":true},"insert":"7 注意良好的通风和湿度"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"应注意仪表良好的通风。要注意定期检查和清洁仪表的通风通道和风扇，保证良好的通风。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"仪表最佳的工作温度为23摄氏度，如果多台仪表并排使用，注意仪表间的间距，仪表间的间距至少在1M以上，避免仪表温度过高。"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222","bold":true},"insert":"8 搬运注意事项"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"利用仪表把手搬运"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"搬运时注意防止仪器滑落和脱落。"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"最好能2个人或者使用推车搬运仪表。"},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":" "},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222","bold":true},"insert":"9 包装运输"},{"attributes":{"align":"justify"},"insert":"\n"},{"attributes":{"color":"#222222"},"insert":"不要使用泡沫和塑料类的包装材料，他们不能提供有效的缓冲，还会产生静电。泡沫类的包装还会产生泡沫颗粒堵塞仪表的通风口，射频口。   "},{"attributes":{"align":"justify"},"insert":"\n"},{"insert":"——作者 君鉴科技/袁建成"},{"attributes":{"align":"right"},"insert":"\n"}]