Process Sensors
AS2110Pure-water pH Electrode
The AS2110 is designed for pH measurement in pure water. A large low-resistance membrane, three ceramic diaphragms and low-viscosity electrolyte support more stable measurement in low-conductivity samples.
Technical overview
Published configuration data
Values below describe catalog or typical configurations. The confirmed quotation and model code define the supplied specification.
- Range
- 0-14 pH
- Temperature
- -5 to 100°C
- Pressure
- 0-5 bar
- Minimum conductivity
- 0.1 µS/cm flow dependent
- Process connection
- PG13.5
- Lengths
- 120 / 225 / 325 mm and custom
Key characteristics
Why engineers consider AS2110
- Pure-water focused design
- Large low-resistance membrane
- Three ceramic diaphragms
- PT1000 temperature option
Typical applications
Where it fits
- 01Pure water
- 02Boiler-feed water
- 03Pharmaceutical water
- 04Low-conductivity laboratory systems
Selection checklist
Confirm these conditions before ordering.
Sending this information helps CurioSens verify the measurement principle, materials, range and interface.
- 01Measured parameter and expected range
- 02Process medium and possible contaminants
- 03Operating and cleaning temperature
- 04Operating pressure and pressure peaks
- 05Process connection and insertion length
- 06Transmitter, cable connector and temperature element
Engineer-reviewed FAQ
Questions about AS2110
Application answers reviewed for compatibility, selection, installation and maintenance.
Which pH electrode should be selected for low-conductivity pure water measurement?+
Measuring pH in ultrapure and pure water (<10 uS/cm) is challenging due to high sample resistance, streaming potentials, and junction noise. The AS2110 pH electrode solves these issues using a low-resistance glass membrane with a large surface area, paired with three ceramic diaphragms and low-viscosity gel electrolyte to accelerate ion exchange. This construction ensures stable, fast pH measurements in pure water lines down to >0.1 uS/cm conductivity. It operates from -5°C to 100°C under pressures up to 5 bar, featuring PG13.5 process connections and optional PT1000 temperature sensors. Flow cell velocity impact on reference outflow must be confirmed for the selected configuration. Please submit your medium, flow range, pressure, temperature, viscosity, tube size, process connection, and required output.
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