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Appendix A - Accuracy
12/03 DR4300 Circular Chart Recorder Model Product Manual 201
Table A-1 Typical Reference Accuracy, Continued
Types of Input
Actuations
Range Reference
Accuracy*
with
Field
Calibration
Factory
Accuracy*
Temp Stability
± Degrees
Error Per 1 Degree
∆T
Linear
Milliamperes dc
0 to 20
4 to 20
16 µA
16 µA
80 µA
80 µA
0.011 %/°F
0.011 %/°F
Millivolts dc 0 to 10
0 to 100
0 to 200
10 µV
100 µV
200 µV
50 µA
500 µA
1.0 mV
0.011 %/°F
0.011 %/°F
0.011 %/°F
Volts dc 0 to 1
0 to 2
0 to 5
1 to 5
0 to 10
2 to 10
1 mV
2 mV
5 mV
4 mV
10 mV
8 mV
5 mV
10 mV
25 mV
20 mV
50 mV
80 mV
0.011 %/°F
0.011 %/°F
0.011 %/°F
0.011 %/°F
0.011 %/°F
0.011 %/°F
*Includes reference junction calibration of ± 0.01 degrees using the standard "ice bath" method of calibration. Factory accuracy at
reference ± 1.2 °F. Note that factory accuracy may have typical variations of ± 150 microvolts or ± 0.6 ohms for RTDs which
means field calibration may be required to achieve stated accuracy.
**IEC Alpha = 0.00385
***Alpha = 0.00391