500 X analog pH/ORP sensor (APS551)

Lasts up to 10 times longer in the most extreme high pressure, temperature and fouling applications.

Overview

The 500 X is designed for the longest sensor life in the toughest applications thanks to it's innovative wooden casing that is field-proven over the past 50 years. Hazardous area approvals are available and it leverages ABB's innovative EZLink™ technology for simplified operation and maintenance.

 

Related content

Datasheet: Technical specifications of 500 X pH/ORP sensor

The 3/4 in analog pH/ORP sensor for use in the most extreme high-pressure, temperature, and fouling applications

Video: Family of pH/ORP sensors featuring new 500 X

ABB’s pH family of sensors welcome the 500X pH/ORP that lasts up to 10 times longer than competing sensors in the harshest industrial applications, reducing replacement costs. Its unique design builds on the trusted TB family technology to deliver unrivaled poisoning resistance. EZLink™ connectivity delivers connect and measure capability for fast installation and start-up.

Brochure: Overview of ABB's color-coded pH/ORP sensors

Find the right sensor right away with our color-coded range

Related products

AWT210 2-wire transmitter for pH/ORP

The intrinsically safe AWT210 two-wire universal transmitter is a single-channel device for the measurement and control of pH, ORP or conductivity in hazardous and non-hazardous area applications.

500 X-D digital pH/ORP sensor with EZLink™

The 500 X-D is designed for the longest sensor life in the toughest applications thanks to it's innovative wooden casing that is field-proven over the past 50 years.

InLine twist-lock adaptor for quick access sensor connection

This publication gives the assembly and instruction procedure for the InLine twist-lock adapter, for use with ABB’s 3/4 in sensors.

Customer Benefits

Superior performance​

<p>Engineered to resist poisoning and clogging from the most challenging applications, lasting up to ten times longer than competing sensors​</p>

Measurement confidence​

<p>Improved temperature response giving more precise and accurate pH readings especially in dynamic conditions​</p>

Superior heat-resistance​

<p>Capable of temperatures up to 155 °C (311 °F) allowing direct mounted in high-temperature applications for faster and accurate readings​</p>

Technical data

Measurement range​ 0- 14 pH

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

Temperature range​ -5 to 155 °C

<p>23 to 311 °F</p> <p>&nbsp;</p>

Pressure range​ 30 bar ​

<p>435 psi​</p>

Connectivity​ Analog

<p>Tinned, BNC, VarioPin</p>

Reference design​ PTFE* WITH WOOD

<p>Ag/AgCl with quadruple junction, KCl-saturated solidstate (wood) plus ion trap​&nbsp;with Viton™ Extreme o-rings<br> ​</p>

Measuring electrodes​ pH/ORP​

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