Honeywell DR4300 User Manual
DR4300 Circular Chart Recorder
160
DR4300 Circular Chart Recorder Product Manual
12/03
6.4 Maximizing Pen Life
Steps for maximizing pen life
Table 6-3 lists steps that will help maximize the life of recorder pens.
Table 6-3 Maximizing Pen Life
Step Action
1
Store the chart paper in a cool, clean dry place where the temperature does not exceed 40 °C
(104 °F) and the humidity is below 65 % RH.
(104 °F) and the humidity is below 65 % RH.
2
Do not expose the pen tip and chart paper to abrasive chemicals or dust that cause excessive
pen wear.
pen wear.
3
If the recorder is used in a dusty atmosphere, provide a positive ‘clean air purge’ to minimize
dust particle accumulation on the chart paper.
dust particle accumulation on the chart paper.
4
Periodically clean the pen arm using a cotton swab dipped in alcohol. This is more important
when the recorder is located in a dusty environment and no ‘clean air purge’ is used.
when the recorder is located in a dusty environment and no ‘clean air purge’ is used.
5
Never let the pen tip ride on the chart plate when the paper is not present. Use the pen lifter to
raise the arm when changing the paper.
raise the arm when changing the paper.
6
Keep the door closed while recording.
7
Always cover the pen arm tip with its protective cap when storing or shipping the recorder.
8
Be sure that the chart paper lays flat against the chart plate. Any ripple in the paper will cause
light pen printing.
light pen printing.
9
Be sure the chart hub assembly is pushed onto the motor shaft so that it is flush with the chart
plate.
plate.