2.8 inch backlit LCD provides clear, easytoread readings in varying lighting conditions; device includes USB data export for straightforward analysis in lab or fieldwork. Rugged IP54rated hard design for reliable operation in demanding environments; compact ergonomic form stores up to 100 datasets and runs on 9V power for portable pressure testing. Essential tool for HVAC technicians, laboratory engineers, and industrial maintenance professionals requiring stable pressure diagnostics. Measures liquid pressure in ventilation systems, hydraulic machinery, medicinal molding, and natural pipelines with a 0.01 resolution for precise results. Use scenarios: HVAC system commissioning and troubleshooting: verify duct and room pressures under different operating conditions to ensure stable airflow and performance. Hydraulic machinery maintenance: monitor pressure stability to detect leaks, blockages, or pump performance issues in industrial equipment. Medical molding and pipeline inspection: conduct resolution liquid pressure measurements in pharmaceutical molding processes and natural pipeline networks to confirm process integrity.