Reflective photoelectric linear encoder with no mechanical amplification for unsurpassed durability. High measuring accuracy. Digimatic output to SPC systems. Preset, zero set and tolerance setting, inch/metric conversion (on inch/metric models) and direction changeover. Also go/no go judgement, data load, error alarm, mean value, maximum/ minimum, runout measurement and on/off function. Please note: This product can be calibrated externally by the user.