KELLER
Piezoresistive Pressure Sensors and Submersible Level Transmitters
KELLER is a Swiss manufacturer and one of Europe’s leading producers of piezoresistive pressure sensors and submersible level transmitters. With decades of refinement, KELLER’s piezoresistive technology delivers the kind of accuracy, long-term stability, and harsh-environment durability that demanding industrial and water-monitoring applications require — from groundwater wells and surface water levels to industrial tank level measurement and process pressure monitoring.
As a KELLER partner, Process Solutions Corp. carries their full range of submersible level transmitters and pressure transducers. We help you select the right sensor for your media, depth range, accuracy class, and electrical interface — backed by application support and fast shipping from our Texas warehouse.
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Why Choose KELLER?
KELLER has spent decades refining piezoresistive pressure sensing technology, building submersible level transmitters and process pressure sensors with the kind of accuracy and reliability that earn them a place in groundwater monitoring networks, municipal water utilities, and industrial process installations around the world. Their products combine Swiss engineering precision with rugged construction designed to survive years of continuous duty in harsh outdoor and submerged environments.
What Sets KELLER Apart
- Piezoresistive Specialists — Decades of focus and refinement on piezoresistive sensing technology
- Submersible Level Expertise — Industry-leading lineup of submersible level transmitters for groundwater, surface water, and tank applications
- Long-Term Stability — Engineered for years of continuous duty with minimal drift
- Swiss Engineering and Quality — Manufactured in Switzerland with rigorous quality control
- Digital and Analog Outputs — 4-20 mA, voltage, and digital RS-485 interfaces depending on the model
- Wide Pressure Range — From low-pressure level transmitters to high-pressure industrial transducers
- Data Logger Integration — Sensors that pair seamlessly with KELLER’s pressure data loggers for groundwater and environmental monitoring
Popular KELLER Product Lines
- Series 36 X W — Compact submersible level transmitters for groundwater wells and surface water applications
- Series 26 — Cost-effective piezoresistive pressure transmitters for general industrial use
- Series 33 X — High-accuracy digital pressure transmitters with temperature compensation
- Series 21 / 23 / 25 — Industrial pressure transmitters for OEM and process applications
- DCX Data Loggers — Self-contained submersible pressure data loggers for hydrology and groundwater monitoring
- LEO & LEX Series — Digital pressure indicators and reference instruments
Common Applications
KELLER products are deployed across a wide range of industries and use cases, including:
- Groundwater level monitoring and hydrology
- Municipal water and wastewater systems
- Surface water and reservoir monitoring
- Industrial tank and vessel level measurement
- Process pressure measurement
- OEM equipment integration
- Environmental monitoring networks
- Lift stations, sumps, and pump well monitoring
Product Categories
KELLER products fit into the following categories at Process Solutions Corp. Click any category to learn more about that product area and what we offer.
Level Sensors
Submersible piezoresistive level transmitters for groundwater, surface water, and industrial tank measurement.
Learn MoreGet in Touch
Have a KELLER project in mind? Our team can help you spec the right submersible level transmitter or pressure sensor for your application, troubleshoot existing installations, or quote replacement units. We work with KELLER products regularly and can guide you to the right measurement solution.
Business Hours
Monday – Thursday: 8:00 AM – 5:00 PM
Friday: 7:30 AM – 3:00 PM
Contact Info
📍 Address:
4134 Bluebonnet Drive, Suite 111
Stafford, Texas 77477 USA
📞 Phone: +1 (281) 491-3833
✉️ Email: sales@psctexas.com
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