Ask for availability. The Heidenhain 383978-01 is an incremental length gauge from the SPECTO ST 1288 series, designed for precise measurement applications in industrial settings. This model features a 12 mm measuring range with a system accuracy of ±1 µm, ensuring high precision over its entire measuring length. The plunger is actuated by spring force, and the device utilizes a ball-bush guide for smooth operation. It offers a sinusoidal voltage output signal (1 Vpp) and operates with a 5V ±10% power supply. The electrical connection is a 12-pin male M23 connector, with an axial connecting direction. The device is housed in a compact design with a protection rating of IP64, making it suitable for various industrial environments. The operating temperature range is between 10°C and 40°C, and the device has a grating period of 20.000 µm. The Heidenhain 383978-01 is ideal for applications requiring high accuracy and reliability in length measurement.