2.8 inch backlit LCD display for clear readings in lab or field environments IP54 rated rugged hard design for dust and water spray protection, suitable for harsh conditions USB data export for easy analysis in lab or fieldwork Professional digital handheld manometer with ±0.3% accuracy for precise differential, gauge, and absolute pressure measurements in HVAC systems and industrial applications Small ergonomic design stores up to 100 datasets and operates on a 9V power source for easy carry pressure testing in extreme environments Measures liquid pressure in ventilation systems, hydraulic machinery, medicinal molding, and natural pipelines with 0.01 resolution Use scenarios HVAC system commissioning and troubleshooting: monitor differential pressure across filters and ducts, verify system performance Industrial equipment maintenance: monitor hydraulic circuits and liquid pressure in processing lines to prevent leaks and failures Field data collection and onsite analysis: store up to 100 datasets and export via USB for posttest analysis