500 PRO-D pH/ORP digital sensor (APS521)

High performance digital pH/ORP sensor with approvals for industrial and marine applications. ​

Overview

The digital 500 PRO-D series with EZLink™ technology provides the ultimate combination of performance, functionality and durability delivering a competitive offering for harsher industrial and marine applications.

 

Featuring a triple-junction design with ion traps, reference shielding and Viton™ Extreme O-ring protection, the 500 PRO-D provides enhanced poisoning resistance and chemical protection, extending operational lifetime without compromising performance.

Customer Benefits

Simplified commissioning​

<p>Connect-and-measure technology makes sensor integration fast and easy with automatic sensor recognition​</p>

Dependable performance​

<p>Triple junction design with ion-trap and reference shielding provides enhanced poisoning resistance with a unique tertiary cellular junction matrix maximizing sensor lifetime​</p>

Predictive maintenance​

<p>Advanced diagnostics offering end-of-life indication and fault analysis​</p>

Technical data

Measurement range​ 0- 14 pH

<p>+/- 2000 mV</p>

Temperature range​ -5 to 105 °C ​

<p>23 to 221 °F​</p>

Pressure range​ 10 bar ​

<p>145 psi​</p>

Connectivity​ Digital

<p>EZLink™ connector (M12)​</p>

Reference design​ Junction

<p>Ag/AgCl with&nbsp;triple junction, KCl gel electrolyte plus ion trap​&nbsp;with Viton™ Extreme o-rings</p>

Measuring electrodes​ pH/ORP​

<p>High performance (S) glass (bullet)​<br> High performance (S) glass (flat)​<br> Low temperature (LT) glass (bullet)​<br> High temperature (HT) glass (bullet)​</p> <p>ORP (Redox) – Platinum​Hydrofluoric acid-resistant (HF) glass (bullet)​</p>

Service

ABB offer a full range of services to support you and your processes. Explore our comprehensive range of services at Measurement & Analytics service.