Amphenol Sensors Connecting Your World Through Sensing Innovations

Amphenol Sensors is a leading innovator in sensing technologies and measurement solutions. Offering the most diverse sensor portfolio of standard and customized products for the world’s most demanding regulatory and industry-driven applications, creating value by providing critical information for real-time decisions.

Our Brands

Amphenol Advanced Sensors

Amphenol Advanced Sensors, with its portfolio of industry-leading brands - Thermometrics, NovaSensor, Telaire, Protimeter and Kaye - is an innovator in advanced sensing technologies and innovative embedded measurement solutions customized for regulatory and industry-driven applications, creating value by providing critical information for real-time decisions.

Thermometrics, Inc.

Temperature Sensors

With more than 70 years of experience in the development, design and manufacture of high quality sensors, Thermometrics offers one of the most comprehensive ranges of temperature measurement and sensing products in the world today - NTC Thermistors, PTC Thermistors, Infrared (IR) Sensors, Current Limiters, Temperature Standards, Temperature Sensor Assemblies.


Gas & Moisture Sensors

For more than 30 years, Telaire has been a leading manufacturer of Carbon Dioxide (CO2), Dust and Humidity Sensors for the commercial HVAC, consumer goods and automotive industries. Telaire holds more than 30 awarded patents in CO2 sensing, including the original automatic calibration algorithm - ABC Logic®.


Pressure Sensors

As a leader in MEMS pressure sensors, elements, and advanced packaging solutions, the NovaSensor pressure sensor product line includes highly cost effective families of surface mount, hybrid and media-isolated sensors that serve medical, industrial and transportation applications. Available in all levels of calibration, from uncalibrated to fully-calibrated, amplified analog and digital output versions.


Moisture Meters

Protimeter offers a leading line of handheld moisture meters and thermo-hygrometers for building survey, building restoration, construction and agriculture. With nearly 60 years of experience in the design and manufacture of moisture measurement products, Protimeter leads the way in design, innovation, performance and integrity.


Thermal Validation

The Kaye product range is relied upon by the world’s leading pharmaceutical and biotechnology companies to validate and monitor critical assets and processes like sterilization as required by governing regulatory bodies. Kaye products are designed to meet the most demanding requirements for process improvement, thermal validation and environmental monitoring.

SGX Sensortech

Gas Sensors

SGX Sensortech has been designing and manufacturing gas and air quality sensors and modules for over 50 years. We offer a wide range of gas sensor detection technology, catalytic, infrared, metal oxide and electrochemical, along with a sensor portfolio offering flammable and toxic gas solutions for automotive and industrial air quality applications.

Piher Sensing Systems

Position Sensors

Piher Sensing Systems is a specialty manufacturer of standard and custom position controls and position sensor solutions. With a broad portfolio of contactless sensors (hall-effect and inductive technologies), potentiometers and printing electronics, Piher offers traditional and customized rotary and linear sensor solutions for applications requiring the highest level of accuracy and reliability.


Pressure & Temperature Sensors

i2s is your contact for the development and production of pressure sensors, temperature sensors, mass air flow sensors, as well as combination sensors for several measurands. Customers from the automotive, commercial vehicle, mechanical engineering and metrology industries have been relying on our experience and know-how for more than 15 years.

Wilcoxon Sensing Technologies

Vibration Sensors

Wilcoxon Sensing Technologies has a strong legacy of success in vibration monitoring with hundreds of thousands of sensors currently in service around the world. Built for long use and excellent performance, our high quality accelerometers, 4-20 mA sensors, transmitters and instrumentation provide accurate and reliable measurements for demanding applications across many markets.

Piezo Technologies

Ultrasonic Sensors

Piezo Technologies manufactures a world-renowned line of piezoelectric ceramic materials, as well as engineered solutions and sensor designs for custom ultrasonic transducers, devices, next higher assemblies and systems. Piezo’s specialized piezoceramic formulations and integrated ultrasonic systems enable precision measurements, sensors, acoustic events and more.

All Sensors

Ultra-Low Pressure Sensors

Notable for high accuracy and repeatability, All Sensors is an industry leader in the design and manufacture of ultra-low pressure sensors. Well-suited for flow measurement and control applications, pressure ranges are available as low as 0.25 in H2O and as high as 150 PSI. Custom options are available, including port fittings, packaging, pressure ranges and performance values.

SSI Technologies, LLC

Ultrasonic Level & Quality Sensors

SSI Technologies designs and manufactures pressure, level and magnetic sensors, sensor-based monitoring systems, digital pressure gauges, and digital level gauges for automotive and industrial applications.

Sensing Innovations Across Many Markets

Contact Us

Amphenol-ASTG Headquarters
967 Windfall Road
St. Marys, PA 15857, US
Ph: (814) 834-9140

At Amphenol-ASTG, we make Quality, Safety and Environmental Protection a top priority. We believe that making sustainable choices in the way we conduct our business creates short-term and long-term value for our stakeholders. We do not create long-term value by merely complying with regulations, but we go beyond compliance to find ways to green our operations and our products to ensure continuity of the material and human resources that we need to operate the business.