PIE Electronic Wheel Diameter Gauge is a highly accurate Railway Wheel Diameter Measuring Device, having accuracy of upto 0.2 mm
‘PIE’ Brand Wheel Diameter Gauge Model WD‑2 (E) with DIGITAL DISPLAY for measurement of wheel diameter in both mounted [in-situ] and un-mounted wheels of locos, carriage and wagons. The measurement of the diameter is performed according to the “three points” technique, without the complete wheel coverage. The gauge contains numeric display to show the value of the wheel diameter. The gauge gives direct diameter readings on Digital Display. No calculations or tables are required.