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technical article
Pressure transmitter concept
2011-10-21 16:46:15

一般指压力变送器和差压变送器 两个系列。 Pressure transmitter generally refers to two series of pressure transmitter and differential pressure transmitter . 由测量电路 过程连接件 测压元件传感器等 主要部件 组成。 It consists of the main components such as the measurement circuit , process connection and load cell sensor . 结构体 采用不锈钢防腐蚀 材料 可进行对 石油传输、自来水、化工过程及各种系统 压力测量 一般性液体和气体的压力测量 也是适用的; 以达到计量、调度、节能 控制、报警、等目的。 The pressure transmitter structure is made of stainless steel anti-corrosion material , which can perform pressure measurement on petroleum transmission, tap water, chemical process and various systems ; general pressure measurement of liquids and gases is also applicable; to achieve metering, scheduling and energy saving , Control, alarm, etc.
     是把 压力信号传到电子设备, 进而 压力显示 计算机 作用 ;具有 测量、指示和过程调节 等功能;它能将 气体、液体等水压的力学信号 转变 电压或 标准的电流电压信号 4~20mADC ,再传送 指示报警仪、调节器、记录仪等二次 进行 仪表 测量数值。 The pressure transmitter transmits the pressure signal to the electronic equipment, and then the pressure is displayed in the computer ; it has the functions of measurement, indication and process adjustment ; it can convert the mechanical signals of water pressure such as gas and liquid into voltage or standard The current and voltage signal of 4 ~ 20mADC , and then send the indicator alarm, regulator, recorder and other instrument measurement values.

用于 气体、液体或密度和压力、蒸汽的液位测量 Differential pressure transmitter is used to measure the level of gas, liquid or density and pressure, steam . 转变 4 20mA DC 信号输出。 It converts the collected data into 4-20 mA DC signal output.

输出的电压或电流随 压力增大而增大 ,因为 压力和电压或电流 一般是正比关系 大小成线性关系 The voltage or current output by a pressure transmitter increases with increasing pressure , because pressure and voltage or current are generally proportional to each other , and the size is linear .

分为两种: 压力变送器( 0.001MPa 20MP3 微差压变送器( 0 1.5kPa )。 Pressure transmitters are divided into two types according to the pressure measurement range : pressure transmitters ( 0.001MPa to 20MP3 ) , and differential pressure transmitters ( 0 to 1.5kPa ).   

根据现场要求 研制开发的新产品 DX1151/3351DP 智能型可 HART 手操器 之间 通讯,通过设定, 来实现 现场监控或与上位机组成监控系统 脱离手操器,通过按键方式实现现场组态、调零等操作。 New product developed by Jiangsu Jinhu Dongxiang Instrument Co., Ltd. according to site requirements , DX1151 / 3351DP intelligent can communicate with HART communicator, through setting, to achieve on-site monitoring or form a monitoring system with the host computer ; Detach the hand-held device, and realize on-site configuration, zero adjustment, etc. by pressing keys.