100E general purpose 12 mm pH/redox (ORP) sensor
Last updated: 26 May 2025
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The 100E series of Ultem® pH and Redox (ORP) electrodes provide accurate and reliable measurement in a robust 12 mm diameter body offering an excellent combination of performance and price.
Offered with a choice of connectors and integral cable lengths, the 100E provides uncomplicated pH/ORP measurement for a wide range of general purpose applications where highly cost-effective measurement is required such as drinking water treatment, environmental monitoring, hydroponics and aquaculture.
Offered with a choice of connectors and integral cable lengths, the 100E provides uncomplicated pH/ORP measurement for a wide range of general purpose applications where highly cost-effective measurement is required such as drinking water treatment, environmental monitoring, hydroponics and aquaculture.
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- Measurement in 5 seconds
- Patented technology provides superior measurement performance
- Long lasting UV and visible LEDs
- Rugged for field testing with optional Battery Pack
- No reagents required
- Our digital pH sensors offer improved process reliability. Patent-pending perpetual
impedance diagnostics detect electrode faults in real-time without the need for a
solution earth, while our smart Reference Electrode Monitoring (REM) system
provides early warning notification of electrode poisoning.
- By connecting your sensor to one of our digital transmitters, you can ensure
that your sensor is replaced at the optimum time, saving money without
risking process control.
- Thanks to ABB’s EZLink fast connection technology, you can get quick
and easy access to a full range of sensor data, including diagnostics,
without the time and hassle typically associated with installing
and commissioning sensing systems.


