Sensors
Amphenol is a leading innovator in sensor technologies and measurement solutions. We offer the most diverse sensor portfolio of standard and customized products for the world’s most demanding regulatory and industry-driven applications. Our products and technologies include temperature sensors, moisture meters and sensors, pressure sensors, thermal validation sensors, position sensors, vibration sensors, ultrasonic sensors, level sensors, quality sensors, force sensors, acoustics sensors and magnetostrictive linear position sensors.
Visit our Amphenol Sensors site to learn more.

746 General Purpose Underwater Accelerometer
The 746 underwater accelerometer withstands continuous submersion to 650 PSI. The lightweight titanium case is resistant to galvanic corrosion and offers strong performance at high pressures. A potted integral cable prevents water ingress and protects the circuitry. The 746 is used for ship propulsor and hull vibration monitoring, acoustic signature monitoring on submarines, and lab research.

754 Miniature Underwater Accelerometer
The 754 underwater accelerometer withstands submersion to 650 PSI. The lightweight titanium case is resistant to galvanic corrosion and offers strong performance at high pressures. A potted integral cable prevents water ingress and protects the circuitry. Applications for a 10 mV/g high amplitude sensor include intrusion detection, propulsion system diagnostics, and acoustic signature reduction.

757 Biaxial Underwater Accelerometer
Wilcoxon’s 757 biaxial underwater accelerometer withstands continuous submersion to 650 PSI. The potted integral cable prevents water ingress and protects the circuitry. A stainless steel overbraid prevents cuts, abrasions, and damage to the integral cable. Multidirectional vibration analysis is ideal for low-frequency monitoring of ship propulsion systems and hydroelectric power gen.

883M Digital Triaxial Accelerometer for Industrial IOT
Our industrial triaxial accelerometer and temperature sensor with Modbus output enables data sharing with local and plant data systems, including PLCs, DCSs, SCADAs, and HMI displays. More than 50 calculated vibration metrics, vibration spectrum, and time waveforms empower operators with digital data for condition monitoring, process monitoring, IoT edge processing, and data science activities.

Accelerometers for Monitoring Wind Turbine Health
Vibration diagnostics find the root cause of problems and establish a baseline of wind turbine health to avoid unplanned outages and expensive unscheduled repairs by identifying problems, providing early warning of fault conditions, and preventing catastrophic damage to turbines, gearboxes, bearings, main shafts, and towers.

Accelerometers for Oil & Gas Machinery and Equipment
Safely monitor the health of machinery in oil and gas operations with vibration sensors and vibration transmitters rated for operation in hazardous locations and high-temperature environments, including offshore, petrochemical, refineries, and chemical processing: blowers, centrifuge, chillers, compressors, cooling towers, fans, gearboxes, mixers, motors, pumps, turbines, and vibrating conveyors.

Accelerometers for Rail Car Wheel and Locomotive Health Monitoring
Vibration monitoring identifies wheel problems, mechanical faults, or component wear and helps rail operators schedule repairs, analyze/sustain rail equipment life, avoid expensive damage, and operate safely and reliably. Monitored railway assets include cab, trucks, wheel bearings, wheel drive motors, main engine, diesel engine, gearboxes, generators, head-end power unit, and roller elements.

Air-In-Line Ultrasonic Bubble Sensors
With over 20 years of experience, Piezo Technologies is the premier designer and manufacturer of smart ultrasonic air bubble detectors for the medical infusion industry and enteral nutrition delivery. Industry-leading piezoceramics and in-house transducer engineering ensure custom ultrasonic air-in-line sensors meet the highest standards for quality, performance, and reliability. ISO 13485 certified.

Combined 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 measurements. 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.

Coolant Temperature Sensor
Temperature sensors are used to measure media temperatures or body temperatures at various points in the vehicle. These sensors can be either individual sensors or integrated with other components or liquid ducts.

Current Sensors
The measurement of currents in the power train is essential, e.g. for monitoring and controlling the drive power. We offer current sensors in different versions, with one or more current paths and with or without integrated temperature measurement.

Current Sensors
Piher Sensing Systems designs and manufacturers current sensors based on Hall-effect and TMR technology for accurate measurement of currents in automotive battery management and motor control applications.
Piher’s 3-phase precision current sensors improve motor or solenoid control applications and grid monitoring.

Custom Design & Development of Ultrasonic Transducers
Piezo Technologies assists customers in designing, developing, manufacturing, assembling, and testing a wide range of custom piezoelectric ultrasonic transducers. We specialize in solving complex ultrasonic transducer challenges and have extensive experience designing and manufacturing high temperature, high pressure, and harsh environment transducers.

Custom Hemispherical and Spherical Piezoceramics
Piezo Technologies specializes in designing, modeling, and developing hemispherical and spherical piezoelectric ceramic sensing elements for customers who range from prime defense contractors to naval labs and advanced marine research teams. Some require only the ceramic, custom-shaped to exacting frequency, sensitivity, and depth specifications. Others ask us to build the entire transducer.

Custom Piezoceramic Composites
Piezo Technologies’ custom piezoceramic composites offer improved and tunable acoustic matching, higher bandwidth, and faster ringdown characteristics, compared to traditional piezoceramics. Applications include underwater sonar, handheld sonar, underwater buried object detection, and NDT. We can provide custom sensing elements as well as complete build-to-spec ultrasonic transducers.

Custom Piezoelectric Ceramics
Piezo Technologies produces advanced piezoelectric ceramics for use in ultrasonic transducers. Our wide range of high quality piezoelectric ceramic materials includes modified Lead Zirconate Titanate, both hard PZT and soft PZT, including Navy Type PZT materials (Navy I PZT-4, Navy II PZT-5A, Navy III PZT-8, Navy V PZT-5J, and Navy VI PZT-5H).

Custom Piezoelectric Ceramics and Composites
Piezo Technologies produces high performance piezo ceramic elements for high temperature, high pressure, high vibration, and harsh environments. Customers range from naval laboratories to medical device manufacturers and oilfield equipment manufacturers. Some require only a ceramic, custom-shaped to exacting frequency and sensitivity specifications. Others contract the entire transducer.

Custom Ultrasonic Transducers
Piezo Technologies customers include many prime defense contractors. We offer a comprehensive suite of services, from design and development to build-to-print contract manufacturing of ultrasonic transducers, sensors, and sub-assemblies. We absorb development work and deliver a plug-and-play acoustic component so their engineers can focus on system-level performance.

Custom Ultrasonic Transducers for Non-Destructive Testing
Specialty piezoceramics and custom ultrasonic transducers for challenging NDT applications: inspecting aircraft components like wings, fuselage, and engines; inspecting Oil & Gas pipelines, pressure vessels, and storage tanks; detecting cracks and fissures in tracks on railway systems; detecting wear, corrosion, cracks, and defects in power generation systems; manufacturing quality control.

Downhole Inspection Transducers
Custom-engineered Ultrasonic Downhole Transducers are designed for extremely harsh environments that are highly corrosive, abrasive, hot (up to 392°F / 200°C), and pressurized (35,000+ psi). Applications include borehole images and diameter measurements, cement bond evaluations, casing inspections, fluid properties evaluations, flow measurements, and perforation inspections.

Fluid Level Sensor
Level sensors provide digital or analog output for the measurement of a variety of fluids in a vehicle

Gas and 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®.

Gas and Moisture 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.

H23 Series Next Generation Hydrophones
H23 series IEPE hydrophones are rated for underwater operation to 680 meters, 2230 feet, 1000 PSI. They are EMI-shielded and self-amplified. They come in three sensitivities and subsequent frequency responses to cover diverse lab and ocean applications, including calibration, surveillance, underwater biological studies, ship noise studies, and monitoring of underwater ordnance.

H505L General Purpose Hydrophone
The rugged H505L hydrophone is small and versatile with a measurement range to 10 kHz, for use in a wide variety of underwater acoustic measurements. Applications include monitoring underwater ordinance, ship noise studies, and underwater biological studies with continuous submersion down to 250 meters. It is self-amplified with an ultra-low-noise internal amplifier.

H507A Ultra-low-noise Wide Band Hydrophone
The H507A hydrophone is compact and versatile with a measurement range to 100 kHz, for use in a wide variety of underwater acoustic measurements. Applications include monitoring of underwater ordinance, ship noise studies, and underwater biological studies with continuous submersion down to 500 meters. It is self-amplified with an ultra-low-noise internal amplifier.

H601 Hydrophone for Towed Arrays
The H601 hydrophone outputs pure acoustic pressure measurements in towed array applications. It has a patented ultra-low noise filter to eliminate vessel noise when towed behind ships, submarines, UUVs, USVs and other platforms.

Hall-Effect Gear Tooth Speed and Direction Sensor
Piher Sensing Systems' flange mount gear tooth speed and direction sensors provide precise, reliable speed and direction measurement for demanding environments. The touchless, rugged design ensures long-term reliability. Key features include: "Plug and play" operation, wide operating temperature range, fast and near-zero speed sensing, compact and rugged design and IP67 sealing.

HART Vibration Transmitters for Process Monitoring
Smart HART-enabled vibration transmitters make it easier and more convenient to monitor the vibration levels of critical rotating equipment using existing HART networks as part of your process automation, condition monitoring, and machinery diagnostics application. Class I Division 2 and ATEX Zone 2 certified versions are available for use in hazardous locations.

HCSO-1W Open Loop Current Sensor
The HCSO-1W sensor simplifies current measurement (AC/DC) for batteries, chargers & motors. It clamps directly on cables, reducing installation steps & errors. Based on Hall effect tech, it offers accurate readings & various current ranges. Easy to install & calibrate, making it cost-effective for manufacturers.

HCSP-1BS Open Loop Current Transducer
Open-loop current transducer:
Hall effect-based, busbar mounted.
Simple or dual analog output, Accurately measures currents from ±200 A to ±1.500 A.
Non-intrusive with galvanic separation,
Operates reliably in temperatures from -40°C to +125°C.

HIFU Medical Transducers
Piezo Technologies pioneered piezoelectric ceramics for High-Intensity Focused Ultrasound (HIFU) treatments, including piezo ceramic elements and full transducer design and manufacturing. Medical HIFU applications: tissue ablation for prostate and other cancer treatments, heart ablation, catheter-based ultrasound, kidney stones, uterine fibroids, skin tightening and lifting. ISO 13485 certified.

Humidity Sensor
The humidity sensor measures windscreen, ambient temperature, and humidity to calculate dew point and predict fogging condition on the windscreen to support HVAC systems.

Inductive Arc Position Sensors
Built for extreme environments, these magnet-free sensors deliver precise position data in harsh environments. IP67/69K sealed & high-temp tolerant, they handle misalignment & vibration. Arc design simplifies assembly & saves costs. Ideal for absolute rotary/linear motion sensing in automotive & off-highway applications.

Inductive high-speed xEV rotor position sensors
Piher Sensing System's high-accuracy eMotor inductive rotor position sensors (IPS) offer a cost-effective, reliable, and ASIL-D-compliant alternative to resolvers and other sensors for position sensing of high-speed motors. Inductive sensors use the physical principle of induction to detect the position of a solid metallic target, enabling reduced parts and higher design flexibility.

Inductive Linear Position Sensor
Piher’s custom inductive linear sensors measure position with no magnets, ensuring high accuracy (up to 14bit), IP67/IP69K sealing, and immunity to stray fields. Ideal for harsh automotive/off-highway use, they feature extended ranges (10–800mm), compact size, and true touchless operation for maintenance-free, long-lasting performance.

Level 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.

Light Sensors
The sun sensor provides important sun intensity data to the climate control system. The sun sensor is often combined with a light sensor to support auto-headlight controls.

Liquid Level Transmitters
Liquid level transmitters designed for providing automatic tank gauging in industrial, hazardous, hygienic, marine, and almost any other environment. Featuring 5-IN-1 measurement of product level, interface level, multi-point temperature, volume, and HI level from a single device. Save time and money with a company, that allows you to Set It and Forget It!

Magnetostrictive Linear Position Sensors
Temposonics is recognized as an industry leader in sensing technologies and solutions. These sensors permit precise and dynamic position and speed measurement in advanced automation and safety-relevant applications. With a versatile and ever-increasing product portfolio, Temposonics works closely with customers, to optimize performance and reduce downtimes.

Modbus Vibration Transmitters for Process Monitoring
Optimized for process control and monitoring, the field-configurable iT301 simplifies connecting an accelerometer, piezovelocity sensor, or dual output vibration and temperature sensor to a PLC, DCS, or SCADA system. It has two mappable 4-20 mA outputs, one NC/NO relay, and is MODBUS/RS485 enabled for compatibility with existing plant infrastructure.

Model 113B28 General Purpose Pressure Sensors for High Frequency
PCB 113B28 pressure sensors use a quartz sensing element to measure shock wave, blast and explosive events. The primary application is measurement of free-field air blast resulting from explosions or muzzle blast. Other applications include pulsations, noise detection, high intensity acoustics, closed bomb combustion studies, and explosive component performance (e.g detonators, explosive bolts).

Model 176A07 High Temperature Pressure Sensors
PCB manufactures high temperature and cryogenic pressure sensors for rocket motor and gas turbine testing. When mounted to an engine combustor, the hazardous area certified 176A07 dynamic pressure sensor provides continuous reliable combustion dynamics data monitoring to help control instability, which can damage components in the combustion chamber and downstream equipment.

Model 66162ANZ1 Two-Wire ICP® Embeddable Accelerometers
PCB’s 66162ANZ1 accelerometer includes built-in signal conditioning microelectronics for straightforward operation and seamless connectivity to data acquisition systems. Applications for vibration and shock measurements to 5,000 g include shock and impact detection of packages or components and bearing and gear mesh vibration measurements for predictive maintenance and condition monitoring.

Model 72 Endevco Surface Mount High Shock Sensors
The Endevco model 72 series are low mass accelerometers suitable for SMT mounting. The accelerometers are intended to be used in a wide range of acceleration, vibration, and shock applications from 2,000 to 60,000 g's. They are ideally suited for embeddable on-board shock recorders, and for ordnance fuze, safe and arm applications. This accelerometer is ideal for measuring long duration shocks.

Model 8530BM8 and 8530BM9 Endevco Miniature Piezoresistive Blast Pressure Sensors
Endevco miniature piezoresistive blast pressure sensor models 8530BM8 and 8530BM9 feature fast rise times for shock wave and blast pressure measurements. They have a high output for excellent signal-to-noise ratio and measure both static and dynamic pressure. Endevco pressure sensors feature excellent linearity, high shock resistance, and high stability during temperature transients up to 200°F.

Model EX357E92 High Temperature Charge Mode Accelerometers
PCB Piezotronics model EX357E92 is a hazardous area certified accelerometer for vibration testing of aircraft gas turbine engines, industrial turbines, rocket propulsion systems, and exhaust systems. UHT-12™ is a proprietary crystal designed for more accurate, lower noise measurements at elevated temperatures without pyroelectric noise spikes (up to 1400 °F).

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.

MTS-360 Contactless sensor
Miniature sensor breakthrough! Combines through-shaft design & 360° feedback in smallest fully featured, 50M cycle rotary sensor. ideal for tight spaces in:
Medical devices,
HVAC systems,
Automotive,
Robotics,
Marine,
Off-Road Vehicles.

Oil Pressure Sensors
Oil pressure sensors provide a curve of the oil pressure and can thus be used to dynamically adapt engine parameters to driving situations in order to save fuel and optimize performance.