HEIDENHAIN PWM 20 - Manual (Page 14)

November 2014 Commissioning 15
3.5 Calibration
In general the PWM is maintenance-free, since it does not contain any components that are
subject to wear.
To ensure exact and correct operation we recommend that you send the PWM to the calibration
service of HEIDENHAIN Traunreut every two years.
Calibration label
on PWM 20
Calibration date
Next recommended
calibration date