Yokogawa AAB841-S50 Product Documentation

Product Overview

The Yokogawa AAB841-S50 is a high-performance industrial sensor designed for precise measurement and control in demanding environments. It is part of Yokogawa’s extensive lineup of automation and control products, known for their reliability and accuracy.

This sensor is widely used in industries such as oil & gas, chemical processing, and power generation, where stable and accurate measurements are critical. Its robust construction ensures long-term durability even in harsh conditions.

Key Advantages

1. High Accuracy – Delivers precise measurements with minimal deviation, ensuring reliable data for critical processes.
2. Robust Design – Built to withstand extreme temperatures, pressure, and corrosive environments.
3. Easy Integration – Compatible with various Yokogawa control systems and third-party devices.
4. Low Maintenance – Designed for long service life with minimal upkeep requirements.
5. Wide Operating Range – Functions effectively across a broad spectrum of industrial conditions.

Technical Specifications

Applications

• Oil & Gas – Monitoring pipeline pressure and flow rates.
• Chemical Processing – Precise measurement of corrosive fluids.
• Power Plants – Ensuring stable pressure and temperature control.
• Water Treatment – Detecting and regulating liquid levels.
• Pharmaceuticals – Maintaining sterile and controlled environments.

Compatible Models

The AAB841-S50 can be used alongside the following Yokogawa products:

• Yokogawa EJX110A – Differential pressure transmitter.
• Yokogawa AXF Series – Magnetic flowmeters.
• Yokogawa DPharp EJA Series – Pressure transmitters.
• Yokogawa UTAdvanced – Ultrasonic flowmeter.
• Yokogawa CENTUM VP – Distributed control system.

Installation Guide

1. Mounting – Secure the sensor using appropriate brackets in a vibration-free location.
2. Wiring – Connect the power supply (24 VDC) and output signal cables as per the wiring diagram.
3. Calibration – Perform initial calibration using a Yokogawa-approved calibrator.
4. Testing – Verify functionality by simulating operational conditions.
5. Sealing – Ensure all gaskets and seals are properly fitted to maintain IP67 protection.

For detailed installation steps, refer to the official Yokogawa AAB841-S50 manual.

Recommended Related Models (Same Series)

Popular Yokogawa Models (Other Series)

Frequently Asked Questions (FAQ)

Q1: What is the operating temperature range of the AAB841-S50?
A1: The AAB841-S50 operates between -40°C and +85°C.

Q2: Does the AAB841-S50 support wireless communication?
A2: The standard model does not, but the AAB845-S50 variant supports WirelessHART.

Q3: What type of output signals does this sensor provide?
A3: It offers a 4-20 mA analog output with HART communication.

Q4: Is the AAB841-S50 suitable for hazardous environments?
A4: Yes, it has an IP67 rating and can be used in harsh industrial settings.

Q5: How often should the sensor be calibrated?
A5: Yokogawa recommends annual calibration for optimal performance.

Q6: Can this sensor be used with non-Yokogawa control systems?
A6: Yes, it is compatible with most third-party systems using standard protocols like Modbus.