Small ergonomic handheld design stores 100 datasets and operates on 9V power for easy carry pressure testing in extreme environments 2.8 inch backlit LCD display with IP54 rated hard design and 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 Essential tool for HVAC technicians, laboratory engineers, and industrial maintenance professionals requiring stable pressure diagnostics Use scenarios HVAC service and commissioning: measure duct static pressure, supply and pressure, and regulator or damper performance to balance systems Laboratory validation: calibrate and verify pressure sensors, monitor process pressures, and document stable readings for experiments Industrial maintenance: monitor pressure in pneumatic and hydraulic circuits, detect leaks, blockages, or abnormal pressure changes to prevent downtime