压力变送器(pressure transmitter)是指以输出为标准信号的压力传感器,是一种接受压力变量按比例转换为标准输出信号的仪表。它能将测压元件传感器感受到的气体、液体等物理压力参数转变成标准的电信号(如4-20mADC等),以供给指示报警仪、记录仪、调节器等二次仪表进行测量、指示和过程调节。
压力变送器主要有电容式压力变送器和扩散硅压力变送器,陶瓷压力变送器,应变式压力变送器等。压力变送器根据测压范围可分成一般压力变送器(0.001MPa~35MPa)和微差压变送器(0~1.5kPa),负压变送器三种。
Sensys SIL model, has Case Protection (IP67), Sensor Protection (IP68) is able to use in an outdoor area and at the place is required to be waterproofed. With 4-1/2 Digit Backlight LCD, it can not only display up to ±19999 but also is visible from the dark place. Its functions, Analog output, relay output and RS-485 communication, Pressure Unit convertor and Scale adjustment can be utilized with a variety of controller. In addition, it can perform atmospheric compensation and use in seawater with the polyurethane vented cable.
韩国Sensys SIL是一款深度/液位变送器,其机身的防护等级为IP67,探头的是IP68,适合在户外或者要求防水区域使用。内置4-1/2背光式LCD屏,不仅显示值能达到±19999,而且显示清晰可见。功能丰富,带有模拟输出,继电输出和RS-485通讯功能。其压力单位可以转换,量程可调整,并且可以和不同的控制器连接使用。此外SIL还能进行大气补偿,配备聚氨酯材质电缆在海水中使用。
特性
4 1/2 digit Backlight LCD display
4 1/2数字背光式LCD显示屏
Built-in amplifier circuit (VDC, mA)
内置放大器电路(VDC, mA)
Optional 2-channel Relay output, RS485
可选双通道继电和RS485输出
Measuring range 0 - 350MPa
测量范围:0 – 350MPa
0.2%FS accuracy
精度:0.2%FS
Fully sealed construction
全密封结构
Vented polyurethane cable
聚氨酯材质电缆线
Stainless steel (316L) media-wetted materials
316L不锈钢防潮材质
应用
Tank Level Measurement
罐内液面测量
Deep Well Measurement
深井测量
Ship & Marine System
船舶系统
Ground & Surface Water Monitoring
地表水监测
Geophysical Application
地球物理学应用
Water Supply & Reservoirs
水供应与存储