AP303-21011000 ABB Analog Input Module

Description

The ABB AP303-21011000 is a robust and reliable pH sensor designed for demanding industrial liquid analysis applications. Part of the AP300 series, it features a standard pH glass electrode suitable for measurements in the 0 to 14 pH range and can withstand process temperatures from 0 to 105 °C. Its PVDF body offers excellent chemical resistance, ensuring durability in aggressive media. The sensor incorporates a PTFE reference junction, often with a double junction design and gelled electrolyte, minimizing fouling and providing long-term stability. It also includes an integral Pt100 temperature sensor for automatic temperature compensation, ensuring accurate readings. Designed for easy installation via a 3/4 inch NPT thread, it comes with a 3-meter integral cable with tagged pin leads for straightforward connection to a transmitter. The AP303-21011000 is a cost-effective solution for continuous pH monitoring in various industrial processes.

Key Feature

Robust Chemical Resistance: The PVDF body provides excellent resistance to a wide range of aggressive chemicals commonly found in industrial processes, ensuring a long service life and reliable measurements.

Stable and Long-Lasting Reference: The PTFE reference junction, often with a double junction design and gelled electrolyte, minimizes fouling and poisoning, contributing to stable and accurate pH readings over extended periods.

Integrated Temperature Compensation: The built-in Pt100 temperature sensor automatically compensates pH measurements for temperature variations in the process, ensuring accurate readings across the entire operating temperature range.

Application

Wastewater Treatment: Monitoring and controlling pH is crucial in various stages of wastewater treatment to ensure effective chemical reactions, optimize biological processes, and meet discharge regulations. The AP303's chemical resistance and reliable performance make it suitable for this demanding application.

Chemical Processing: Many chemical reactions are highly pH-dependent. The AP303's robust construction and accurate measurement capabilities are essential for maintaining optimal pH levels in reactors, storage tanks, and process streams, ensuring product quality and safety.