Typical Applications:
• Industrial wastewater treatment
• Chemical and petrochemical processes
• Power & energy and general industrial applications
• pH / ORP measurement where analog signal is preferred

Not Recommended For:
• Applications with strong electrical interference over long cable distances
• Installations requiring digital communication or smart diagnostics

The ABB 700 ULTRA pH/ORP analog sensor is built for the most challenging industrial water analysis applications. Featuring an ultra-robust construction, it excels in environments with aggressive chemicals, high abrasion, and extreme temperatures. This sensor delivers exceptional durability and reliable, drift-free measurements, making it the preferred choice for critical monitoring where sensor failure is not an option.

Data sheet - 700 ULTRA | Analog pH/ORP sensor

Selection Notes

• Confirm whether an analog pH / ORP sensor meets your process requirements
• Verify process temperature, pressure, and chemical compatibility
• Proper grounding and shielding help ensure stable analog signal transmission
• Suitable for industrial environments with standard transmitter distances
• Regular calibration and cleaning are required for reliable performance

Why Choose the 700 ULTRA Analog Sensor

• Proven analog pH / ORP signal for continuous industrial monitoring
• High-quality electrode design for demanding process conditions
• Cost-effective solution where digital sensors are not required
• Compatible with a wide range of standard industrial transmitters

Increased efficiency

• Propriety high performance glassware formulations provide the highest level of reliability and responsiveness
• Close-coupled temperature measurement ensures high accuracy even with rapid temperature changes

Measurement confidence

• Refillable KCl reservoir offering maximum usability and extended operation in high purity applications
• Triple ceramic junction reduces plugging while providing improved measurement stability and speed of response
• Each electrode is manufactured to the highest quality standards and provided with a calibration certificate

Modular design

• 12 mm sensor paired with intelligent accessories provides simplified mounting
• Optional 700 ULTRA sampling panel provides a complete system for simple integration
• Available in a range of detached or integral cabling options

FAQ

Q: What is the difference between the 700 ULTRA analog and digital versions?
A: The analog version provides a standard pH / ORP signal, while the digital version offers improved noise immunity and advanced diagnostics.

Q: Can this sensor work with non-ABB transmitters?
A: Yes. The analog output is compatible with most standard industrial pH / ORP transmitters.

Q: How often does calibration need to be performed?
A: Calibration frequency depends on process conditions. Regular calibration is recommended.

Q: Can you help determine whether analog or digital is better for my application?
A: Yes. Our engineers can review your application and recommend the most suitable option.