The IMP pressure sensor is ideally suited to water pressure testing in automotive applications. This sensor offers a cost-effective solution for accurately measuring water pressure within a 10 bar gauge range, making it suitable for various automotive test rig scenarios such as coolant system pressure testing, water pump performance evaluation, and leak detection in cooling circuits.
In the area of automotive testing, water plays a crucial role in assessing the performance, reliability, and safety of various vehicle components and systems. The IMP, with its robust design and accurate measurement capabilities, finds application in a range of water-related automotive tests:
- Cooling System Pressure Testing: Ensuring the integrity of the cooling system is paramount to prevent engine overheating and damage. The IMP can be used to monitor coolant pressure within the system during operation, helping to identify leaks, blockages, or pressure fluctuations that could indicate potential problems. This is critical for evaluating the performance of radiators, water pumps, thermostats, and hoses under various operating conditions.
- Water Pump Performance Evaluation: The efficiency of the water pump directly impacts the cooling system’s ability to maintain optimal engine temperature. By measuring the water pressure at the pump’s inlet and outlet, engineers can assess the pump’s flow rate and pressure head, identifying any signs of wear, cavitation, or reduced performance. This data aids in optimizing pump selection and ensuring proper cooling system function.
- Leak Detection in Cooling Circuits: Identifying leaks in the cooling system is essential to prevent coolant loss and potential engine damage. The IMP can be employed in pressure decay tests, where the system is pressurized and monitored for pressure drops over time. This helps pinpoint leaks in hoses, connections, or even within components such as the radiator or engine block.
- Component Testing: Various automotive components are subjected to water-based testing to evaluate their performance and durability. This includes testing the water resistance of electrical connectors, sensors, and actuators, as well as assessing the structural integrity of components exposed to water spray or submersion. The IMP can be used to monitor water pressure during these tests, ensuring accurate and controlled conditions.
- Environmental Simulation: Automotive components and systems often undergo rigorous testing in environmental chambers that simulate real-world conditions. These chambers can recreate rain, water spray, and even submersion scenarios to evaluate the performance of components such as headlights, taillights, and windshield wiper systems. The IMP can be integrated into these test setups to monitor water pressure and ensure accurate simulation of environmental conditions.
- Brake System Testing: While brake systems primarily use hydraulic fluid, water can sometimes ingress due to condensation or external factors. This can lead to reduced braking performance and potential safety hazards. The IMP can be used to monitor water pressure within brake lines and components, helping to identify leaks or contamination that could compromise braking efficiency.
One of the key features of the IMP is its utilization of a ceramic diaphragm sensing module. This ceramic diaphragm technology provides excellent corrosion resistance, ensuring compatibility with water and other automotive fluids, and contributing to the sensor’s long-term reliability and durability in demanding test environments. The sensor’s dry construction, without any oil-filled isolation, further enhances its suitability for water pressure measurements, eliminating the risk of contamination or performance degradation due to fluid interaction.
For seamless integration into automotive test setups, the IMP comes equipped with a large DIN plug connector. This connector type is commonly used in automotive testing instrumentation, facilitating straightforward connection to data acquisition systems, monitoring equipment, and control units. The sensor’s G1/4 male DIN 3852 process fitting ensures compatibility with standard automotive test rig connections, allowing for easy installation and secure mounting in various testing configurations.
The IMP is designed to provide accurate and reliable water pressure measurements in dynamic automotive testing environments. Its ceramic diaphragm sensing technology, coupled with a robust construction and automotive-specific electrical and process connections, makes it a valuable tool for engineers and technicians involved in evaluating the performance and integrity of automotive water systems.

IMP Water Test Pressure Sensor
- SKU ID: s1-imp-12-16774
- Pressure Range: 10
- Units: bar
- Pressure Reference: Gauge (G)
- Output Signal: 0 – 5V, 3-wire (6)
- Non-Linearity and Hysteresis: 0.25% FS (standard) (A)
- Thermal Zero Shift: 0.04% FS per °C (standard) (4)
- Thermal Span Shift: 0.015% FS per °C
- Electrical Connection: Large DIN plug (standard) (B)
- Process Connection: G1/4 male DIN 3852 (A)
- Media Exposed Seals: Viton (standard)(V)
- Special Requirements: Standard (000)