Pressure Meters

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Pressure drop test set For use with pressure meters Includes manual bulb pump, hoses, T-fitting with valve, 1/2" rubber conical test stopper 200 mbar pressure

Display in Pascal optional over entire measurement range Accuracy: ±0.01 "H20 (0 to 0.12 "H20) / ±0.02 "H20 (0.13 to 0.4 "H20) Temperature compensation Magnetic back permits free-hand work Flow velocity measurement with Pitot tube (Pitot tube not included in delivery) Air density compensation Protective cap for safe storage Including wrist strap and belt clip Backlit display Switchable units: hPa, mbar, Pa mm H2O, mm Hg, in H2O, in Hg, psi, m/s, fpm

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, mm H2O, mm Hg, in H2O, in Hg, psi

8 pressure units can be selected: kPa, hPa, Pa, mm H2O, mm Hg, psi, inch H2O, inch Hg 2 flow velocity units can be selected: m/s, fpm Integrated tightness compensation Display illumination Max./min. as well as Hold-function Printout of measurement values incl. date/time and min./max. values Available in 4 different versions: 512-1WC: Measuring range 0 to 2 hPa 512-10WC: Measuring range 0 to 20 hPa 512: Measuring range 0 to 200 hPa 512-2000HPA: Measuring range 0 to 2000 hPa (without flow velocity and Pascal measurement)

Temperature-compensated differential pressure sensor in instrument Additional 2 probe inputs for connection of further Pressure and Temperature measurement probes Direct calculation of flow velocity and volume flow Direct zeroing of display value from pressure probes Display of Hold-, max. and min. values Easy data storage by measurement site as well as analysis, archiving and documentation via optional PC software Available in 2 accuracy classes: Testo 521-1: accuracy 0.2 % of final value Testo 521-2: accuracy 0.1 % of final value

Temperature-compensated differential pressure sensor 0 to 2000 hPa in instrument Additional 2 probe inputs for the connection of further probes for the measurement of pressure and temperature Leakage rate measurement (pressure drop per time) Direct zeroing of display value from pressure probes Display of Hold-, max. and min. values Easy data storage by measurement site as well as analysis, archiving and documentation via optional PC software Testing of pressure drop in containers, pipelines etc. Available in 2 accuracy classes: Testo 526-1: accuracy 0.1 % of final value Testo 526-2: accuracy 0.05 % of final value