The LEO2 / -1...30BAR / 81021 is a Digital Manometer, LEO 2 is a compact, micro-processor (μP) controlled, highly accurate and versatile pressure measuring instrument with digital indication. The piezoresistive pressure transducer as the heart of the instrument has gone through extensive pressure- and temperature tests. Its characteristics are stored in the instruments internal EEPROM. The μP of the LEO 2 reads the characteristic values and calculates there from the pressure to an accuracy of <0.1%FS at room temperature.