Hydraulic pressure sensors are used to monitor the pressure in hydraulic systems. They ensure the safe operation of the system and provide information for controlling valves. The function of a hydraulic system is to increase force by changing pressure. It uses oil as the working medium. By utilizing the pressure of the oil, it controls the operation of hydraulic actuators through valves and other accessories.
1.What is a hydraulic pressure sensor?
A pressure sensor consists of a pressure-sensitive element and a signal processing unit. It is the most commonly used type of sensor in industrial practice. It is widely used in various industrial environments. These are involved in production automation, aerospace, military, petrochemical, and many other industries.
Hydraulic pressure sensors are a type of pressure sensor. They are specifically used to measure oil pressure in hydraulic systems. They are corrosion-resistant and heat-resistant. This ensures stable operation in complex working conditions. Ordinary pressure sensors are only suitable for measuring gas or liquid pressure. But they are not necessarily suitable for hydraulic systems.
2.Features
The hydraulic sensor uses a standard threaded pressure measurement method.
It has an all-stainless steel structure. Protection rating IP68.
Its measurement accuracy is as high as 0.1 grade.
It can output 4~20mA or RS485 signals.
Professional polyurethane cable. High temperature and corrosion resistant.
3.How does a hydraulic pressure sensor work?
Hydraulic pressure sensors sense pressure changes through sensitive elements. They convert mechanical pressure into an electrical output signal (such as a 4-20mA or RS-485 signal).
The working principle of a hydraulic pressure sensor is as follows: pressure acts directly on the sensor diaphragm. This causes the diaphragm to undergo a micro-displacement proportional to the medium pressure. This causes a change in the sensor’s resistance. An electronic circuit then detects this change. It converts and outputs a standard signal corresponding to this pressure.
4.What is the function of a hydraulic pressure sensor?
The function of a hydraulic pressure sensor is to monitor pressure changes in a hydraulic system in real time. It converts non-electrical signals into standard electrical signals for output. This ensures that the pressure within the system remains at the correct level or within the optimal range. They are mainly used in pneumatic and hydraulic systems.
In hydraulic systems, sensors provide real-time feedback on pressure data. They also help regulate the operating status of actuators. This ensures stable system operation. Some sensors monitor pressure changes and provide early warning of equipment wear. This reduces the failure rate.
Typical applications
Industrial automation. They are used in the hydraulic systems of equipment such as punching machines and injection molding machines. They ensure the precision and safety of equipment operation.
Automotive industry. Hydraulic pressure sensors can monitor the engine hydraulic system. And improve vehicle performance and safety.
Aerospace. They ensure the stability and safety of aircraft hydraulic systems.
5.Advantages and limitations of hydraulic pressure sensors
Advantages
High-precision measurement. Some models of hydraulic pressure sensors can achieve an accuracy of 0.1 grade. They can stably monitor pressure changes.
High durability. Hydraulic pressure sensors are made of stainless steel and designed with an IP68 protection rating. They are suitable for extreme conditions such as high temperatures and high pressures.
Fast response. Piezoelectric sensors have a fast response speed. They are suitable for dynamic pressure monitoring.
Suitable for multiple scenarios. They are used in industrial automation, automotive braking systems, aerospace, and other fields.
Limitations
Temperature sensitivity. Zero drift or full-scale error may occur in high-temperature environments.
Overload risk. Severe pressure shocks may cause diaphragm rupture or internal circuit damage.
Cost considerations. High-precision models are more expensive. Select the appropriate range and pressure resistance based on actual working conditions.
