频率计1:被测频率fx小于110Hz采用测周法，显示频率XXX。XXX；fx大于110Hz采用测频法，显示频率XXXXXX；



2:可利用键盘分段测量和自动分段测量；



3:可完成单脉冲测量，输入脉冲宽度范围是100微秒--0.1秒；



-Frequency meter: the measured frequency fx is less than the 110Hz measured Weeks Act, shows the frequency XXX. XXX　fx greater than 110Hz frequency measurement method, frequency XXXXXX　2: available the keyboard segments measurement and automatically segments measurement　3: to be completed by a single pulse measurement range of the input pulse width 100 microseconds- 0.1 seconds