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Testo 511

• Measures absolute pressure, e.g. for absolute pressure compensation in flow velocity measurements with a Pitot tube
• Calculation of barometric air pressure
• Barometric altitude measurement
• Accuracy +/-1.2"H20
• Protective cap for safe storage
• Including wrist strap and belt clip
• Backlit display
• 8 switchable pressure units: hPa, mbar, Pa, mmH2O, mmHg, inH2O, inHg, psi