Features: Measuring range: 0 to 100 mbar Resolution: 0.01 mbar Selectable units:  differential manometer measures differential pressure in the range from 0 to 100 mbar. The pressure measurement is temperature compensated to obtain accurate measurement values. The measurement values can be displayed inPascal over the entire measurement range. Magnets at the rear of the instrument permit hand free operation. The backlit display allows the measurement values to be easily read, even in unfavourable light conditions. The Testo 510 differential manometer, in combination with a Pitot tube, measures air flow velocity and for accurate measurement values, the air density can be compensated.   Features: Measuring range: 0 to 100 mbar Resolution: 0.01 mbar Selectable units: hPa mbar Pa mmH2O mmHg inH2O inHg psi m/s (with optional Pitot tube accessory) fpm (with optional Pitot tube accessory) Temperature and air density compensation Flow velocity measurement with Pitot tube (Pitot tube not included) Display illumination Protective cap for safe storage Dimensions (incl. protective cap): 119mm x 46mm x...