Setting The Units of measure The Gauge can display thickness measurements in either Metric (mm) or Imperial (inch). Changing the measurement units will not affect the calibration. Was this article helpful? Yes No Related Articles Measuring With Cygnus Ultrasonic Tool PDF Download Troubleshooting Connecting with the TrackTreads Mobile Application Switching Bluetooth On to communicate with TrackTreads Mobile App. Gain Adjustment Turning On Vibration Mode Need Support?Can't find the answer you're looking for?Contact Support