Linear DRO Scale Resolution 0.0002 in Accuracy +/-287micron in IP Rating IP54 Data Output Type Cable Detection Type TTL Effective Range 18 in/450 mm Encoder Body Style Standard Maximum Measurement - Inch 18 in Maximum Measurement - mm 450 mm Maximum Operating Temperature - C 70 Degrees C Maximum Operating Temperature - F 158 Degrees F Minimum Measurement - Inch 0 in Minimum Measurement - mm 0 mm Minimum Operating Temperature - C -10 Degrees C