High-temperature glass sensing membrane

High-temperature process pH sensor
A high-temperature polymer-gel pH electrode for chemical processes, biotechnology, food, power and semiconductor applications.
The values below come from the current model file. Final housing, membrane, cable, insertion depth, interface and accessories are controlled by the configured project datasheet.
Construction and product highlights
High-temperature polymer-gel electrolyte
Double-junction construction
Chemical resistance to solvents and strong acids/bases
Compatible with CIP/SIP process requirements
Customizable insertion depth and cable up to 60 m
Verified technical specifications
The published continuous operating limit is 130°C. Any short sterilization exposure above this value must be confirmed in the final project datasheet.
- Measurement range
- 0–14 pH
- Operating temperature
- 0–130 °C continuous
- Pressure range
- 0–3 bar, 6 bar max
- Temperature compensation
- PT1000 / NTC10K (optional)
- Factory slope
- >95%
- Zero point
- 7 ± 0.25 pH
- Response time
- <30 s
- Reference electrolyte
- GFT polymer gel (high-temperature type)
- Protection rating
- IP68
- Housing material
- PPS or PTFE (optional)
Recommended process fit
Chemical and petrochemical
For hot, pressurized and contaminated chemical processes.
Biotechnology and food
For processes that require high-temperature resistance and cleaning compatibility.
Power generation
High-temperature process monitoring with the selected housing.
Semiconductor and electronics
For demanding process-water and treatment applications.
Items to confirm
To avoid selecting the wrong electrode, provide the real process conditions instead of only the pH range.
- 01Water matrix and main chemical components
- 02Continuous and peak temperature and pressure
- 03Mounting, insertion depth and cable length
- 04Temperature compensation, controller and communication interface
Installation drawing
This drawing comes from the current technical file. Some models may share a housing illustration; confirm the final configured dimensions before ordering.

Project documents available on request
After receiving the process conditions, we prepare the current configured documents for the selected model. Unverified certificates or customer references are not presented as standard claims.
Get a quote- Configured technical datasheet→
- Installation and dimension confirmation→
- Cable, interface and accessory schedule→
- Project quotation→
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Model confirmation
Can I order directly from the values on this page?+
The page supports preliminary selection. Final housing, membrane, cable, dimensions, temperature compensation and controller interface must be confirmed before ordering.
What is needed for an accurate quotation?+
Send the water chemistry, temperature, pressure, mounting, cable, interface, quantity and destination so the complete configuration can be quoted.
Tell us what you need to measure.
We will respond with a recommended configuration, supporting documentation and quotation.

