矿用超声波液位计 矿用本安型超声波物位传感器 厂家

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">分<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">体式<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">矿用<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">超声波液位计<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">，超声波物位仪，超声波物位计<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">广泛用于罐体、水池、水库的液位和体积测量，也可用于明渠的流量测量。由于<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">分<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">体式超声波液位计测量技术基于非接触的超声波原理，所以<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">分<*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">体式超声波液位计适合于那些无法用物理方式接触的液体及料位位置<*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">一、超声波液位计基本参数与功能:

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">量程  6m 8m

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">传感器材质 <*n style="font-family:宋体">外壳 ABS+PC<*n style="font-family:宋体">合金

<*n style="font-size:10.5pt"><*n style="font-family:Calibri">显<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">示（表头） <*n style="font-size:10.5000pt"><*n style="font-family:Calibri"> <*n style="font-family:宋体">图形化OLED

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">法兰 <*n style="font-size:10.5000pt"><*n style="font-family:Calibri"> ABS+PC<*n style="font-family:宋体">合金

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">发射角 8°

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">环境温度 <*n style="font-family:宋体">周围介质温度不高于+50℃<*n style="font-family:宋体">，不低于<*n style="font-family:Calibri">-20℃<*n style="font-family:宋体">；周围空气相对湿度不大于<*n style="font-family:Calibri">95%<*n style="font-family:宋体">（<*n style="font-family:Calibri">20&plu*n;5℃<*n style="font-family:宋体">）

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">压力（优良） 80<*n style="font-family:宋体">～<*n style="font-family:Calibri">106KPa<*n style="font-family:宋体">，过程压力：<*n style="font-family:Calibri">0.1Mpa<*n style="font-family:宋体">以下

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">供电/<*n style="font-family:宋体">功耗 高压型：<*n style="font-family:Calibri">18VDC-24V DC

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">精度 1 %<*n style="font-family:宋体">和<*n style="font-family:Calibri">1cm FS

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">频率信号 200-1000HZ

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">输出本安型 <*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">电流 4-20mA<*n style="font-family:宋体">（出厂<*n style="font-family:Calibri">4<*n style="font-family:宋体">线制输出，可由拨动开关<*n style="font-family:Calibri">P5<*n style="font-family:宋体">切换输出模式）

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">计算机：RS485<*n style="font-family:宋体">（可选）

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">二、超声波液位计测量原理

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">超声波液位计垂直安装在液体的表面，它向液面发出一个超声波脉冲，经过一段时间，超声波液位计的传感器接收到从液面反射回的信号，信号经过变送器电路的选择和处理，根据超声波液位计发出和接收超声波的时间差，计算出液面到传感器的距离。超声波物位计可以应用于各种复杂工况。一体式超声波液位计是指探头与外壳组合在一起的超声波液位计。超声波脉冲以声波速度传播，从发射到接收到超声波脉冲所需要时间间隔与换能器到被测介质表面的距离成正比。此距离值D<*n style="font-family:宋体">与声速<*n style="font-family:Calibri">C<*n style="font-family:宋体">和传输时间<*n style="font-family:Calibri">T<*n style="font-family:宋体">之间的关系可以用公式表示：<*n style="font-family:Calibri">D=C×T<*n style="font-family:宋体">／<*n style="font-family:Calibri">2<*n style="font-family:宋体">。由<*n style="font-family:Calibri">D<*n style="font-family:宋体">即可算出介质的液位。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">三、超声波液位计安装原则

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">户外安装，需注意以下几点：

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">1)<*n style="font-family:宋体">水道或户外安装需安装支架；

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">2)<*n style="font-family:宋体">探头要垂直液面或料位表面；

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">3)<*n style="font-family:宋体">探头安装必须高于液位<*n style="font-family:Calibri">40cm<*n style="font-family:宋体">以上，从而避免进入液位计盲区；

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">4)<*n style="font-family:宋体">在超声波<*n style="font-family:Calibri">8°<*n style="font-family:宋体">发射角内不应该有障碍物，避免产生错位回波；

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">5)<*n style="font-family:宋体">避免阳光直射，保证探头温度和环境温度一致。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri"><*n style="font-family:宋体">密闭容器安装，需注意以下几点：

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">1)<*n style="font-family:宋体">避免空气或污染物进入罐内；

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">2)<*n style="font-family:宋体">探头要垂直液面或料位表面；

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">3)<*n style="font-family:宋体">在罐壁有振动时，在灌口和仪表之间加入橡胶垫，以消除振动的影响；

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:Calibri">4)<*n style="font-family:宋体">在超声波<*n style="font-family:Calibri">8°<*n style="font-family:宋体">发射角内不应该有障碍物，避免产生错位回波；

<*n style="color:#ffffff"><*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="background-color:#ffffff"><*n style="font-family:宋体"><*n style="font-family:宋体">矿用超声波液位计GUC8 <*n style="font-family:宋体">矿用本安型超声波液位传感器 超声波物位仪 超声波物位计厂家