sampling environmental temperature的意思|示意

The principles and the frame of the system to measure liquid height by ultrasonic is presented. The circuit of exciting ultrasonic and sampling environmental temperature is detailed.

介绍了超声波液位测量系统的工作原理和系统框图，给出了详细的超声波发射电路和环境温度采样电路。

The complete product range includes temperature-resistant and heated-head types ideally suited for environmental emissions sampling and analytical instrumentation applications, among others.

完整的产品系列包括耐高温和加热头类型，环境排放物取样和分析仪器等的理想应用。