Pressure Sensors
Pressure sensors are essential for monitoring engine and machinery conditions across a variety of applications. Our VDO portfolio includes electro-mechanical and electronic pressure sensors, as well as pressure switches, each designed for specific pressure ranges and connection requirements. These sensors ensure reliable detection and signaling to support safe and efficient operation.
Electro Mechanical Pressure Sensor (EMPS)
Our engine oil pressure sensors (EMPS) have helped customers monitor pressure conditions in gaseous and liquid fluids across a variety of applications and locations. They are suitable for use in off-road and on-road vehicles, special-purpose vehicles, construction, agricultural and forestry equipment, stationary machinery, sports cars, and boats.
Key Features:
- Field tested millions of times over the past 50 years.
- Established, robust, efficient, and reliable.
- Fluids: Engine oil, transmission oil, air.
- Optional electrical switch (pressure warning).
- Various pressure ports and electrical connectors.
Pressure Switch
With decades of experience, we offer our passive pressure switches are a simple and cost-effective solution for controlling fans, warning lights, or other basic electrical actuators without the need for a control unit. They are robust, efficient, and reliable. Applications include engine manufacturers, off-road vehicles, specialty vehicles, construction equipment, agricultural and forestry machinery, stationary machinery, sports cars, and boats.
Technical Characteristics:
Medium: Engine oil, air
Operating Temperature: 120 °C
Maximum switching current: 0,2 A
Breaking capacity: 5 Watt
Creeping contact: NO or NC
Electronic Pressure Sensor Gen2.1 (EPS)
Our second improved generation of modular active pressure sensors is highly resistant to aggressive media - such as oil, brake fluid, diesel, gasoline, coolant, and more - depending on the application and the sealing material used. These sensors are suitable not only for automotive applications, but also in other areas of use, such off-/on-road vehicles, special vehicles, machines used in construction, agriculture and forestry, stationary machines, sports cars, boats and more. The pressure sensor unit is based on a stainless steel piezoresistive sensor element and converts pressure fluctuations of the measured medium into a pressure-proportional electrical output signal (0.5 V – 4.5 V).
Key Features
- Second improved generation
- Direct pressure measurement
- Modular assembly
- Pressure port customization possible
- Pressure range customization possible
- Use in engine oil, gear oil, hydraulic oil, air (brake) - customization possible
Sensors
VDO temperature and pressure sensors enable precise monitoring of oil, water, air, and system pressures in vehicles and machinery. With their robust design, various form factors, and connection options, they are designed for demanding operating conditions and support the safe and efficient operation of technical systems.
Control Sensor
These sensors ensure reliable detection and signaling to support safe and efficient operation.
Robust design
Our experts designed sensors using advanced calibration and control techniques.
Resistant
To aggressive fluids - such as oil, brake fluid, diesel, gasoline, coolant, and more...
Experience
With decades of experience, we offer our outstanding and cost-effective sensors solution
Temperature Sensors
Our VDO temperature sensors for oil, water, and air are available applications, featuring NTC characteristics, various thread sizes, electrical connectors, and housings made of metal or plastic. New variants meet automotive standards and offer enhanced IP protection. Additionally, temperature switches provide reliable monitoring of maximum coolant or engine oil temperatures with different warning contacts and thread sizes.
Coolant & Oil Temperature Sensors
Our temperature sensors are used in vehicles to measure and monitor the temperature of oil, water, or fuel. The measured values are transmitted to the vehicle's engine control unit (ECU). The engine management system uses various temperature signals to improve engine performance, control emissions and fuel consumption, and optimize efficiency.
Our application range includes engine manufacturers, off-road vehicles, special-purpose vehicles, construction equipment, agricultural and forestry machinery, stationary machinery, sports cars, boats, and much more.
Key Features
- Wide range of applications
- High accuracy
- Long-term stability
- Certified quality
- High worldwide volume production
- The operating principle is based on NTC technology
Product Benefits
- Best economical solution for continuous measurement
- Robust design, Passive sensor
- Wear resisting
- Various designs & connector types for various installation options
Temperature Switch
Temperature switches are used in vehicles to monitor the temperature of oil, water, or fuel and transmit the measurement to the control unit or other instruments. The operating principle of temperature switches is based on bimetallic Technology; that is, two different metals with different coefficients of thermal expansion are joined together to generate temperature-dependent mechanical movements or switching operations.
These temperature switches are used by engine manufacturers, off-road vehicles, special-purpose vehicles, construction equipment, agricultural and forestry machinery, stationary machinery, sports cars, and boats.
Key Features
- Simple solution for high-low temperature monitoring
- Robust design, Various installation options, Different connector types
- Various designs:
Breaking capacity 1.2 W up to 3 W, single-pole via ground, creaping contact
Breaking capacity 100 W, floating ground, jumping contact
Universal NOx-Sensor (UniNOx)
The sensor measures NOx concentrations in parts per million, making it a key component in modern engine systems.
With its high measurement accuracy and sensitive detection capability, it provides manufacturers of specialvehicles and machinery with a reliable solution for meeting increasingly stringent global emissions regulationswhile helping to optimize fuel efficiency.
Key Features
Flexible, modular NOx sensor for stand-alone operation
CAN bus interface for standardized and efficient communication
Broad compatibility with catalytic converters, ECUs, and engine management systems from various manufacturers
Fully integrated electronics for simplified installation and operation
Developed in line with the latest standards and regulatory requirements
Compact, space-saving design for easy integration into modern engine systems
Rapid self-diagnostics to support reliable system performance
Customization possible on request
Measuring Principle: Advanced measuring principle based on a ZrO₂ electrolyte with integrated heater
Operating Gas Temperature: High-temperature capability up to 820 °C, with short-term operation up to 950 °C for a maximum of 100 hours
NOx-accuracy: Reliable NOx accuracy of 10 ppm for NO values below 100 ppm, and 10% above 100 ppm
Output Signals: Standardized CAN bus output for gas concentration values in accordance with SAE J1939
Supply Voltage: Universal voltage compatibility for 12 V and 24 V architectures
Protection rating: Robust protection rating of IP 6K9K when fully connected and mounted
