描述
Foxboro（福克斯波罗，现属施耐德电气旗下）743CA-AF是一款经典的工业级压力变送器，属于其743系列，专为过程控制中的压力测量设计，广泛应用于石油、化工、电力、制药等行业。以下是该产品的核心详情：
一、产品概述
型号：743CA-AF
类型：智能压力变送器（支持模拟和数字信号输出）
应用场景：管道压力监测、储罐液位测量、反应釜压力控制等工业过程自动化场景。
二、核心功能与特性
高精度测量
测量范围：0-0.1 inH₂O至0-20,000 psi（可选量程，依型号而定）。
精度：±0.05%量程（典型值），满足高精度过程控制需求。
稳定性：长期稳定性≤±0.1%URL/年，减少校准频率。
智能信号处理
HART协议通信：支持双向数字通信，可远程配置、诊断和校准。
4-20mA模拟输出：兼容传统控制系统，同时提供数字信号增强功能。
智能诊断：内置自诊断功能，可检测传感器故障、过压、温度异常等。
坚固耐用设计
外壳材质：不锈钢（316L），耐腐蚀，适合恶劣工业环境。
防护等级：IP66/NEMA 4X，防尘防水，可抵御冲洗和潮湿。
过程连接：1/2″NPT或法兰连接（可选），适配不同管道系统。
宽温适应性
工作温度：传感器：-40°C至+125°C；电子元件：-40°C至+85°C。
温度补偿：自动温度补偿，减少环境温度对测量精度的影响。
The Foxboro(now part of Schneider Electric)743CA-AF is a classic industrial-grade pressure transmitter from its 743 series.Designed specifically for pressure measurement in process control,it is widely used in industries such as petroleum,chemical,power,and pharmaceuticals.Below are the key details of this product:
I.Product Overview
Model:743CA-AF
Type:Intelligent pressure transmitter(supports analog and digital signal output)
Applications:Industrial process automation scenarios such as pipeline pressure monitoring,tank level measurement,and reactor pressure control.
II.Core Functions and Features
High-Precision Measurement
Measurement Range:0-0.1 inH₂O to 0-20,000 psi(selectable ranges,depending on model).
Accuracy:±0.05%of range(typical),meeting the needs of high-precision process control.
Stability:Long-term stability≤±0.1%of URL/year,reducing calibration frequency.Intelligent Signal Processing
HART Protocol Communication:Supports bidirectional digital communication for remote configuration,diagnostics,and calibration.
4-20mA Analog Output:Compatible with legacy control systems while providing digital signal enhancement.
Intelligent Diagnostics:Built-in self-diagnostics detect sensor failures,overvoltage,and temperature anomalies.
Rugged Design
Case Material:Stainless steel(316L),corrosion-resistant and suitable for harsh industrial environments.
Protection Rating:IP66/NEMA 4X,dust-proof and waterproof,and resistant to washdown and moisture.
Process Connection:1/2″NPT or flange connection(optional)to accommodate various piping systems.
Wide Temperature Compatibility:Operating Temperature:Sensor:-40°C to+125°C;Electronics:-40°C to+85°C.
Temperature Compensation:Automatic temperature compensation reduces the impact of ambient temperature on measurement accuracy.
ABB Model: GBU72 3BHE055094R0002 Model: 3BHE055094R0002 GBU72 Model: GBU72 Model: 3BHE055094R0002 Model: 3BHE031197R0001 Model: 3BHB030310R0001 Model: 73BHE055094R0002 GBU72 Model: 73BHE055094R0002 Model: GBU72 Model: ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
