The Yokogawa AAR181-S50 is an advanced RTD (Resistance Temperature Detector) input module designed for precise temperature measurement in industrial automation applications. This module is part of Yokogawa’s trusted DPHarp series, providing excellent accuracy, reliability, and long-term stability for monitoring temperature in a variety of processes. Whether used in power plants, chemical processing, or oil and gas industries, the AAR181-S50 is capable of delivering high-performance readings with ease.

This module supports RTD sensors, providing a scalable and adaptable solution for temperature measurement needs. It integrates seamlessly into Yokogawa’s control systems, ensuring compatibility with other modules and providing real-time data to operators. The AAR181-S50 guarantees precise, fast, and reliable temperature data, ensuring process efficiency and minimizing downtime.

Product Specifications

The specifications of the Yokogawa AAR181-S50 RTD Input Module are as follows:

Product Applications

The Yokogawa AAR181-S50 RTD Input Module is used in a wide range of industrial and process control environments where accurate and reliable temperature measurements are crucial. Common applications include:

• Power Generation: Used in boilers, turbines, and other critical equipment for temperature monitoring.

• Chemical and Petrochemical Industries: Ensures the safe and efficient operation of chemical reactors and distillation columns by monitoring temperatures at various stages.

• Oil & Gas: Used in offshore and onshore installations to monitor temperatures in drilling and extraction equipment.

• Food and Beverage: Helps ensure the safety and quality of food products by accurately measuring temperatures in production lines and storage areas.

• Pharmaceutical: Used for temperature regulation in sensitive environments like drug production and storage.

The versatility of the AAR181-S50 ensures that it can be deployed in both general-purpose and critical-temperature monitoring systems across various sectors.

Product Advantages

1. High Accuracy and Reliability: The AAR181-S50 offers exceptional accuracy, delivering precise temperature readings over a wide range of RTD sensors. Its reliability ensures consistent performance, even in demanding environments.

2. Wide Compatibility: The module supports multiple RTD sensor types (Pt100, Pt1000, Ni100, Ni120, Cu10), making it suitable for various industrial applications with different temperature sensing requirements.

3. Flexible Communication: The inclusion of HART Protocol and Fieldbus communication options provides seamless integration with existing Yokogawa control systems, offering advanced diagnostic and data logging features.

4. Wide Operating Range: With a broad temperature measurement range of -200°C to +850°C, it is ideal for use in industries requiring accurate temperature monitoring across diverse operational conditions.

5. Compact Design: The AAR181-S50 is designed to be space-efficient, with compact dimensions that make it easy to integrate into various setups.

6. Durability: Built with industrial-grade materials, the module can operate in harsh environments, providing long-term durability with minimal maintenance requirements.

Frequently Asked Questions (FAQ)

1. What is the operating temperature range of the Yokogawa AAR181-S50 RTD Input Module?

   • The operating temperature range is from -20°C to +60°C.

2. What types of RTD sensors are compatible with this module?

   • It supports Pt100, Pt1000, Ni100, Ni120, and Cu10 RTD sensors.

3. Can the module be used in high-pressure environments?

   • Yes, it can be used in high-pressure environments as long as it operates within the specified temperature range.

4. What is the accuracy of the AAR181-S50 RTD Input Module?

   • The module offers an accuracy of ±0.1°C for most RTD sensors.

5. Is the Yokogawa AAR181-S50 suitable for use in food processing applications?

   • Yes, it is ideal for use in the food and beverage industry for monitoring temperature in production lines and storage facilities.

6. What communication protocols does the AAR181-S50 support?

   • It supports HART Protocol and Fieldbus communication interfaces.

7. What power supply does the module require?

   • The module requires a 24V DC power supply.

8. Can this module be used in offshore oil and gas installations?

   • Yes, the module is robust enough for use in oil and gas industry applications, including offshore installations.

9. What is the weight of the Yokogawa AAR181-S50 module?

   • The module weighs 0.2 kg.

10. How easy is it to integrate the AAR181-S50 into existing Yokogawa systems?

    • The module is designed for easy integration into existing Yokogawa systems, thanks to its compatibility with HART Protocol and Fieldbus communication.