1. KPa, mmHg, InHg, Psi, Mbar, Bar, Ozin⊃2;, Kgcm⊃2;, InH₂O, FtH₂O, CmH₂O are available in multiple units, which can meet the needs of different industries in different countries. 3. Large screen with backlight, easy to measure in dark environment, easy operation and clear reading value, easy to carry. 2. It is suitable for measurement and on‑site inspection of ventilation and air conditioning systems, clean room, or troubleshooting of any gas pressure system. 4. It is an indispensable measuring tool for HVAC technicians, operation and maintenance engineers and scientific researchers. 5. Can measure the maximum, minimum, average, and deviation values, with data retention, it is a good helper for measuring pressure., Manufacturer: Littimoon