MICRO VACUUM GAUGE Pressure Range: 1-19000 microns Resolution: 1-400 1micron;400-3000 10microns; 3000-10000 100microns;10000-19000 250microns Accuracy:  1-10000 micron±10% of Reading ±10microns; 10000-19000microns±20% of Reading Units: inHg, Torr, psia, mbar, mTorr, Pa, microns, kpa Max over pressure: 27.5 bar Operating temperature: 14-140℉/-20-60℃ Fitting: 1/4SAE Male Flare Wireless transmission distance: 30m