Mechanical Vs Electronic Pressure Switches

Mechanical Vs Electronic Pressure Switches

by Pressure Vacuum Level Limited on July 12, 2023 Categories: Blog

Pressure switches are essential devices used in various applications to monitor and control pressure levels. They play a crucial role in ensuring the safety and efficiency of systems that rely on precise pressure measurements. Two common types of pressure switches are mechanical and electronic pressure switches. Let's explore the principles they work on and the key differences between them.

Mechanical Pressure Switches

Mechanical pressure switches operate based on simple mechanical principles. They consist of a diaphragm or a piston mechanism that responds to changes in pressure. When the pressure reaches a certain threshold, the mechanical component inside the switch moves, activating an electrical circuit.

These switches are typically robust and reliable, making them suitable for many industrial applications. They are often used in systems with high-pressure variations, extreme temperatures, or harsh conditions.

However, mechanical pressure switches may have limitations. They can experience wear and tear over time due to the mechanical movement. They may also have a lower accuracy compared to electronic pressure switches. Additionally, adjustments to the switch settings often require manual calibration.

Electronic Pressure Switches

On the other hand, electronic pressure switches employ electronic components to measure and control pressure. They use sensors, such as piezoresistive or capacitive sensors, to convert pressure into electrical signals. Integrated circuits then process these signals to determine if the pressure is within the desired range.

One significant advantage of electronic pressure switches is their higher accuracy and precision. They can provide more precise measurements and offer better control over pressure thresholds. Electronic switches also have a wider range of adjustable parameters, allowing for flexibility in various applications.

Furthermore, electronic pressure switches can offer additional features like digital displays, data logging, and communication interfaces, enabling easier monitoring and integration with other systems.

However, electronic pressure switches may be more sensitive to environmental factors like temperature, humidity, or electromagnetic interference. They also require a power source, which may need to be considered in certain applications.

Choosing the Right Pressure Switch

When selecting a pressure switch, it is essential to consider the application's specific requirements. Mechanical pressure switches are suitable for rugged environments or applications with high-pressure variations. They are often preferred in situations where simplicity and durability are prioritised.

On the other hand, electronic pressure switches are favored for applications that demand higher accuracy, precision, and advanced features. They are commonly used in automation, manufacturing, and HVAC systems.

Mechanical and electronic pressure switches operate on different principles and offer distinct advantages depending on the application. While mechanical switches excel in durability and simplicity, electronic switches provide greater accuracy and additional functionalities.

Contact Us

Pressure Vacuum Level Ltd has been selling high-quality mechanical and electronic pressure switches for over 28 years. PVL provides these devices for various industries.

Don't hesitate to contact us if you have any questions about our mechanical or electronic pressure switches by emailing or calling +44 (0) 1892 66 44 99