KELLER Pressure

About KELLER Pressure

When operational uptime, safety, and precision are on the line, pressure measurement cannot be left to guesswork. Founded in Switzerland in 1974, KELLER Pressure is the pioneer and global market leader in piezoresistive pressure sensing technology. Built on five decades of Swiss engineering, KELLER designs and manufactures over 1.3 million high-grade measuring cells annually, delivering uncompromised accuracy from 5 mbar up to 2000 bar.

More than just a hardware manufacturer, KELLER partners with engineering teams to solve complex real-world challenges. Whether your process demands extreme media compatibility, ultra-low power telemetry, or high-accuracy monitoring in hazardous locations, KELLER delivers robust, application-matched instrumentation that keeps critical systems running reliably.

Core Capabilities & Solutions

• Piezoresistive Pressure Transmitters & Transducers: High-accuracy OEM capsules and fully packaged transmitters engineered for demanding industrial, hydraulic, and process automation environments.
• Submersible Level Probes: Rugged hydrostatic level sensors designed for municipal water systems, groundwater management, tank gauging, and harsh wastewater environments.
• Digital Pressure Gauges & Autonomous Data Loggers: Field-ready manometers with high transient capture rates alongside battery-powered data logging instruments for remote environmental and pipeline monitoring.
• Hazardous Area & Specialized Solutions: ATEX/IECEx-certified transmitters, hydrogen-ready measurement cells, and flush-diaphragm designs with modern IO-Link and digital bus connectivity.
• Custom Engineering: Flexible, low-to-high volume customization to adapt physical connections, materials, and electronics to exact process requirements.

The Local Advantage Across Eastern Canada

Precision hardware is only as good as the expertise backing it. Across Eastern Canada, industrial operators, OEMs, and municipal systems depend on comprehensive local technical support, application engineering, and responsive service. By combining KELLER’s Swiss-engineered instrumentation with deep regional process knowledge, we ensure you get the right solution specified, integrated, and supported for long-term operational success.