PDF Datasheet’ler:
Heidenhain 331666-51 (MT 1271) 12mm Straight Length Gauge, plunger actuation by spring force, 0.2um Accuracy, and TTL Output
Travel (12mm)
Plunger actuation (extended by spring force)
Reference mark (1.7mm)
Accuracy (0.2um)
Output (TTL w/10-fold interpolation)
Power supply (5 -10%)
Protection (IP50)
Cable length (1.5m)

