testo 511 pressure measuring instrument

Key Features:

• Calculation of barometric air pressure
• Barometric altitude measurement
• Accuracy +/-3 hPa
• 8 switchable pressure units: hPa, mbar, Pa, mmH2O, mmHg, inH2O, inHg, psi

testo 511 measures absolute pressure for i.e. absolute pressure compensation at ducts with a pitot tube. It's +/-1.2 "H20 accurate. It can also calculate barometric pressure and measure altititue. This handy pocket meter is very easy to operate.

Technical data

• Measuring range: 120 to 480 InH₂O / 300 to 1200 hPa
• Accuracy: ±1 InH₂O ± 1 Digit / ±3 hPa ± 1 Digit
• Resolution: 0.1 InH₂O / 0.1 hPa
• Measuring rate: 0.5 sec
• Protection class: IP40
• Warranty: 2 years
• Seceltable units: hPa, mmH₂O, inH₂O, inHg, mmHg, kPa, psi
• Battery type: 2 AAA batteries
• Battery life: 200 h (average, without display illumination)
• Storage temperature: -40.0° to 158.0 °F / -40 to +70 °C
• Weight: 3 oz. (with batteries and protective cap) / 90 g (with batteries and protective cap)
• Dimensions: 5 x 2 x 1 in. (incl. protective cap) / 119 x 46 x 25 mm (incl. protective cap)
• Operating temperature 32.0° to 122.0 °F / 0 to +50 °C