In the process of mechanical automation industry's transition towards intelligent and high-efficiency development, LEEG compact pressure transmitters and electronic pressure switches have become core measurement components in key fields such as hydraulic systems, HVAC, refrigeration equipment, air separation units, vacuum systems, and compressors, thanks to their high accuracy, fast response, and stable reliability. They not only improve equipment control precision but also help enterprises achieve cost reduction and efficiency improvement through intelligent functions.
I. Core Advantages of LEEG Products
High-Precision Measurement
Pressure transmitter accuracy up to ±0.5% FS, electronic pressure switch repeatability error ≤±1%, ensuring data reliability.
Compact and Rugged Design
Small size (e.g., M12 interface, G1/4" thread), suitable for space-constrained mechanical installation environments.
Strong Environmental Adaptability
IP67 protection rating, resistant to oil contamination and vibration, suitable for harsh industrial conditions.
II. Typical Industry Application Cases
1. Hydraulic Systems: Precise Control for Stable Operation
Application Scenarios: Injection molding machines, die-casting machines, engineering machinery hydraulic stations
Solutions:
LEEG pressure transmitters monitor oil circuit pressure in real time to prevent overload or leakage.
Electronic pressure switches set safety thresholds to immediately cut off pump power when pressure exceeds limits, protecting equipment.
2. HVAC: Energy Saving and Intelligent Regulation
Application Scenarios: Central air-conditioning water systems, fan coil units
Solutions:
Transmitters monitor chilled/cooling water pressure and link with variable frequency pumps to regulate flow.
Electronic pressure switches detect filter clogging (alarm for excessive pressure difference).
3. Refrigeration Equipment: Ensuring Refrigerant Circulation Efficiency
Application Scenarios: Industrial chillers, cold chain logistics refrigeration units
Solutions:
Monitor compressor suction/discharge pressure to prevent liquid slugging or overheating.
Electronic pressure switches provide refrigerant undercharge/overcharge protection.
4. Air Separation and Vacuum Systems: Stabilizing Processes and Improving Purity
Application Scenarios: Oxygen generators, vacuum coating equipment
Solutions:
Transmitters precisely control adsorption tower pressure to optimize oxygen/nitrogen separation efficiency.
Vacuum pressure switches monitor chamber vacuum levels to ensure coating quality.
5. Compressors: Anti-Surge and Intelligent Start-Stop
Application Scenarios: Screw/centrifugal air compressors
Solutions:
Real-time monitoring of multi-stage compression pressure to avoid impeller damage from surging.
Electronic pressure switches control air receiver pressure range to reduce no-load energy consumption.
As the mechanical automation industry advances towards Industry 4.0, LEEG compact pressure transmitters and electronic pressure switches, with their high reliability and intelligent functions, have become key enablers for improving production efficiency and reducing operational costs. In the future, LEEG will continue to innovate, providing precise pressure measurement solutions for more industries.
