Mitutoyo new model 293-342-30 Digimatic micrometer features the NEW electromagnetic ABSOLUTE sensor, improving resistance to environmental conditions such as dirt, oil and water that can cause false readings. It has a measuring range of 2-3"/ 50-76mm with Inch/Metric conversion and a Ratchet Stop. This Series features IP65 level of protection, enabling use in environments exposed to cutting oil, etc., a Zero-set key for easy origin setting, Carbide tipped measuring faces and comes in a fitted plastic case. Also includes Automatic power on/off feature and data hold as well as low voltage and counting value composition error alarms. No SPC output Specification:●Range:2-3"/50.8-76.2mm●Resolution: 0.00005"/0.001mm●Accuracy: +/- .00005"●SPC Output: No●Ratchet Stop●Flatness:0.000012"/0.0003mm●Parallelism:.00008"/.002mm for models up to 4"/100mm●Measuring faces: Carbide tipped●Display: LCD●Battery: SR44●Battery life: Approx. 1.2 years under normal use (8 months: over 100mm models)●Dust/Water protection level: IP65