如果输入信号电平超过可编程阈值，粗调阈值上限指示器就会变为高电平。
If the input signal level exceeds the programmable threshold, the coarse upper threshold indicator goes high.
压力表可发出供水压力下限和上限开关信号。
The pressure meters can give the switch signals of up limit pressure and down limit pressure of water supply.
介绍了一种对无检定信号输出，流量上限超过检定系统最大流量的远传式流量计的检定方法。
An introduction is made of a method of calibrating the remote-transmission flowmeter that has no output of calibrating signals and whose maximum flowrate exceeds that of calibrating system.
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