The Testo 521-3 (0560 5213) High Precision Differential Pressure Meter easily determines even the smallest differential pressures (up to +2.5 hPa). Its high accuracy and a resolution of 0.1 Pa make the instrument ideal for differential pressure measurements in clean rooms or for flue inspections. When used with a pitot tube, the internal pressure sensor measures flow speeds in the range of 0.01 to 3937 fpm.
Included:
- 1 – High Precision Differential Pressure Meter, 0 to 2.5 hPa (521-3)
- 1 – 9V Block Battery
- 1 – Calibration Protocol
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