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Appendix A - Accuracy
12/03 DR4300 Circular Chart Recorder Model Product Manual 199
A. Accuracy
A.1 Overview
Reference accuracy
The reference accuracy varies according to the type of input actuation.
• Typical reference accuracy for each type of input is supplied in Subsection A.2.
• Factory accuracy may be improved by performing an input calibration (field calibration) as described
in Section 5 (Field calibration requires model with display). The field-calibrated reference accuracy
for each type of input actuation is also supplied in Subsection A.2. The figures include reference
junction calibration of ± 0.01 degrees using the standard “ice bath” method of calibration.