产品描述：
'QuantuMike' - Coolant Proof Micrometer
Rapid Measurement by using a coarser thread which feeds the spindle by 2mm per revolution. Dust/Water Resistance With IP65 Protection Level. Equipped with a function lock feature to prevent the origin point being moved by mistake during measurement.
Model No: 293-185.
Resolution: .00005?/0.001mm
Accuracy: .00005?/1m
Measuring range:
0-1?/25-50mm