C1900 Circular Chart Recorder Upgrade Kit Contents

This document lists the contents of various upgrade kits for ABB C1900 circular chart recorders, including pen capsules, pen motors, membrane overlays, and software keys. It provides part numbers and kit designations (e.g., Kit 1, Kit 2, Kit 3A) for components such as blue, green, black, and violet pen capsules, as well as instructions for installation by trained technicians.