描述
一、产品概述
品牌与系列:
YOKOGAWA(横河电机,全球领先的工业自动化与测试测量解决方案提供商,核心业务包括DCS系统、流量计、压力变送器、分析仪等)。
产品类型:多参数智能变送器(或过程信号转换器,ADM系列通常用于工业现场信号采集、转换与传输)。
型号定位:
ADM12 S3可能属于横河电机ADMAG AX系列电磁流量计的配套变送器,或为EJA/EJX系列压力变送器的升级型号(S3可能代表第三代或特定功能版本)。
也可能是定制化多参数测量设备(如流量+压力+温度一体化变送器),适用于复杂工业过程监控。
二、核心功能与参数
1.测量参数(典型配置)
流量测量(若为电磁流量计配套):
量程范围:0.01~5000 m³/h(根据传感器口径调整,支持DN3~DN3000)。
精度等级:±0.2%FS(满量程),符合IEC 60770标准,重复性±0.1%。
介质适应性:导电液体(电导率≥5μS/cm),如水、酸碱溶液、纸浆、泥浆等。
特殊功能:
支持空管检测、电极积垢监测、双向流量测量。
可配置低流速切割功能(避免微小流量干扰)。
压力/差压测量(若为压力变送器):
量程范围:-100 kPa~40 MPa(可定制,支持真空到高压应用)。
精度等级:±0.075%FS(高精度型),±0.1%FS(标准型),长期稳定性±0.2%/10年。
静压耐受:16 MPa(适用于锅炉给水、油气管道等高压场景)。
特殊功能:
支持过压保护、反向极性保护、电磁兼容(EMC)设计。
温度测量(可选配):
量程范围:-200℃~+850℃(支持热电偶(K/J/T/E等)或热电阻(PT100/PT1000)输入)。
精度等级:±0.5℃(PT100传感器时),冷端补偿精度±0.1℃。
2.信号处理与输出
输入信号:
支持多参数输入(如流量+压力+温度),通过模块化设计实现灵活组合。
典型输入类型:
电磁流量计信号(脉冲/频率/电流)。
压力传感器信号(mV/V、4~20mA)。
温度传感器信号(热电偶/热电阻)。
输出信号:
模拟输出:2路4~20mA DC(HART协议可选),负载能力≥600Ω。
数字输出:RS485(Modbus RTU/ASCII)、FOUNDATION Fieldbus、PROFIBUS PA/DP、EtherNet/IP等。
脉冲输出:用于流量累计或频率输出(如批处理控制)。
I.Product Overview
Brand and Series:
YOKOGAWA(Yokogawa Electric,a leading global provider of industrial automation and test and measurement solutions,specializes in DCS systems,flowmeters,pressure transmitters,and analyzers).
Product Type:Multi-parameter intelligent transmitter(or process signal converter;the ADM series is typically used for industrial field signal acquisition,conversion,and transmission).
Model Positioning:
The ADM12 S3 may be a companion transmitter for Yokogawa’s ADMAG AX series electromagnetic flowmeters,or an upgraded model for the EJA/EJX series pressure transmitters(S3 may represent the third generation or a specialized feature version).
It may also be a customized multi-parameter measurement device(such as an integrated flow,pressure,and temperature transmitter)suitable for monitoring complex industrial processes.
II.Core Functions and Parameters
1.Measurement Parameters(Typical Configuration)
Flow Measurement(if used with an electromagnetic flowmeter):
Range:0.01 to 5000 m³/h(adjusted based on sensor diameter,supporting DN3 to DN3000).
Accuracy:±0.2%FS(full scale),compliant with IEC 60770,repeatability±0.1%.
Media Compatibility:Conductive liquids(conductivity≥5μS/cm),such as water,acid and alkali solutions,pulp,and slurry.
Special Features:
Supports empty pipe detection,electrode fouling monitoring,and bidirectional flow measurement.
Configurable low-flow rate cutoff function(to prevent interference from small flow rates).
Pressure/Differential Pressure Measurement(for pressure transmitters):
Measurement Range:-100 kPa to 40 MPa(customizable,supporting vacuum to high-pressure applications).
Accuracy:±0.075%FS(high-precision model),±0.1%FS(standard model),long-term stability±0.2%/10 years.
Static Pressure Resistance:16 MPa(suitable for high-pressure applications such as boiler feedwater and oil and gas pipelines).
Special Features:
Supports overvoltage protection,reverse polarity protection,and electromagnetic compatibility(EMC)design.Temperature Measurement(Optional):
Range:-200°C to+850°C(supports thermocouple(K/J/T/E,etc.)or RTD(PT100/PT1000)input).
Accuracy:±0.5°C(PT100 sensor),cold junction compensation accuracy:±0.1°C.
2.Signal Processing and Output
Input Signals:
Supports multi-parameter input(such as flow,pressure,and temperature),with flexible combinations enabled by a modular design.
Typical Input Types:
Electromagnetic flowmeter signals(pulse/frequency/current).
Pressure sensor signals(mV/V,4-20mA).
Temperature sensor signals(thermocouple/RTD).
Output Signals:
Analog outputs:Two 4-20mA DC channels(HART protocol optional),load capacity≥600Ω.
Digital Outputs:RS485(Modbus RTU/ASCII),FOUNDATION Fieldbus,PROFIBUS PA/DP,EtherNet/IP,etc.Pulse output:used for flow accumulation or frequency output(such as batch control).
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