UFM Series Ultrasonic Flowmeters
The ultrasonic flowmeter/ultrasonic calorimeter uses the principle of low voltage and multi-pulse time difference, and adopts the high-precision and ultra-stable double-balanced signal differential transmission and differential reception patented digital detection technology to measure the transmission time of sound waves in the downstream and counterflow directions, and calculates the flow rate according to the time difference. It has the characteristics of good stability, small zero drift, high measurement accuracy, wide range ratio, and strong anti-interference.
| 主机 | 原理 | 超声波时差原理,4字节IEE754浮点运算 |
| 精度 | ±1% | |
| 显示 | 可连接2*10背光型汉字或2*20字符型液晶显⽰器,⽀持中、英、意语言 | |
| 信号输出 | 1路4-20mA电流输出,1路OCT脉冲输出,1路继电器输出 | |
| 信号输入 | 3路4-20mA电流输入 | |
| 数据接口 | 隔离RS485串行接口,MODBUS协议,⽀持通过PC电脑对流量计进行升级 | |
| 线缆 | 定制两芯屏蔽线缆 | |
| 管道情况 | 管材 | 碳钢、不锈钢、铸铁、铜、PVC、PE等材质均匀且致密的管道(允许有衬里) |
| 适用口径 | ≥DN50(插⼊式),≥DN15(外夹式) | |
| 直管段 | 传感器安装点最好满足:上游10D,下游5D,距泵出⼝处30D(D为管径) | |
| 测量介质 | 种类 | 水、海水、中水、部分工业废水、部分城市⽣活污水、酒精等能传导超声波的液体 |
| 温度 | -30-160℃(插⼊式),-30-90℃(外夹式) | |
| 浊度 | 10000ppm且⽓泡含量⼩ | |
| 流速 | 0-±10m/s | |
| 工作环境 | 温度 | 主机:-20-60℃;传感器:-30-160℃ |
| 湿度 | 主机:85%RH;传感器:IP68(注:灌胶后) | |
| 电源 | DC8-36V或AC85-264V | |
| 功耗 | 1.5W | |
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