1. Zero-point calibration,offset calibration and basic calibration available.2. Metric and imperial units of measurement optional.3. LCD backlight.4. Automatic shutdown.r saving more time ,using longerMeasurement Modes1)Single measurement:measuring one data for each measurement. 2)Continuous measurement:As long as the probe remains on substrate surface,the instrument keeps measuring. 3)Difference measurement:the difference between this measurement and the last measurement.Buyer Need to Know1.Keep the probe away from the meaured substrate when starting up.2."OL"indicates that the value exceeds measurement range.3.Do not press the sensor with your finger or other object into the instrument,because this operation may damage the sensor parts and the instrument.Packing List1* VC200 thickness gauge1*standard Ferrous1*standard Aluminum1*set callibration film1*user manual1*USB cable1*packing box