Advanced field-cleanable sensor is able to withstand 400 psi of positive pressure. Chemical Resistance
It works in temperature from -20℃ to 80℃ ( -4 °F to 176 °F ) and moisture from 5% to 95% with accuracy ±1% & 0.01% (0.1kPa & 0.0001kPa least resolution) LCD holds all the time with low battery indicator to preserve battery life. Automatic temperature compensation within -20℃ to 80℃ ( -4 °F to 176 °F )
Reads in mbar, inHg, mmHg, microns, torr, psi instant on button.
See the AC.137.048 specification for more information.