TTH300/TTF300 Temperature Transmitter Hardware Change Notification

This document is a NAMUR NE53-compliant change notification for ABB TTH300 and TTF300 temperature transmitters, detailing a hardware version update from HW.01.06 to HW.01.07. The key change is a reduction in internal capacitance (Ci) from 5 nF to 0.57 nF, enabling longer cable lengths in intrinsic safety installations, with no changes to functionality, operation, or device code.