AAI143-S50-A4S00_YOKOGAWA_PRODUCT_吉林易择科技技术发展有限公司

The Yokogawa AAI143-S50-A4S00 is a flange-mounted absolute pressure transmitter from the DPharp EJA-E Series. It is designed for high-accuracy absolute pressure measurement in demanding industrial applications. The model features Yokogawa's single-crystal silicon resonant sensor technology and includes specific configuration options indicated by the suffix codes: S50 likely refers to a specific pressure range or flange connection, while A4S00 typically indicates Hastelloy C276 diaphragm material and additional calibration or output options.

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DESCRIBE

Key Parameters
Parameter Category Specification Details
Model Code AAI143-S50-A4S00
Product Line DPharp EJA-E Series
Type Flange-Mounted Absolute Pressure Transmitter
Measurement Absolute Pressure
Output Signal 4-20 mA DC with HART® protocol (2-wire)
Accuracy ±0.055% of URL
Upper Range Limit (URL) Specific range based on S50 code (e.g., 0-100 kPa)
Process Connection Flange (size and rating based on S50 option)
Flange Material Stainless Steel (316SS)
Diaphragm Material Hastelloy C276 (A4S00 option)
Fill Fluid Silicone oil or fluorocarbon
Ambient Temperature -40°C to 85°C
Process Temperature -40°C to 120°C
Pressure Rating Depends on flange rating (e.g., 150# ANSI)
Isolation Input/output/power triple isolation
Enclosure Rating IP67 (NEMA 4X)
Certifications SIL 2, CE, ATEX, IECEx (options)
Power Supply 10.5-42 V DC
Typical Applications
Vacuum system monitoring

Distillation processes

High-pressure applications in corrosive environments

Chemical and petrochemical industries

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