Appendix A - Accuracy

 

 

 

Table A-1 Typical Reference Accuracy, Continued

 

 

 

 

 

 

 

 

 

 

 

 

Types of Input

Range

Reference

Factory

 

Temp Stability

 

 

Actuations

 

Accuracy*

Accuracy*

 

± Degrees

 

 

 

 

with

 

 

Error Per 1 Degree

 

 

 

 

Field

 

 

T

 

 

 

 

Calibration

 

 

 

 

 

 

 

 

 

 

 

 

 

Linear

0 to 20

16 µA

80 µA

 

0.011 %/°F

 

 

Milliamperes dc

 

 

 

 

4 to 20

16 µA

80 µA

 

0.011 %/°F

 

 

 

 

 

 

 

 

 

 

Millivolts dc

0 to 10

10 µV

50 µA

 

0.011 %/°F

 

 

 

0 to 100

100 µV

500 µA

 

0.011 %/°F

 

 

 

0 to 200

200 µV

1.0 mV

 

0.011 %/°F

 

 

 

 

 

 

 

 

 

 

Volts dc

0 to 1

1 mV

5 mV

 

0.011 %/°F

 

 

 

0 to 2

2 mV

10 mV

 

0.011 %/°F

 

 

 

0 to 5

5 mV

25 mV

 

0.011 %/°F

 

 

 

1 to 5

4 mV

20 mV

 

0.011 %/°F

 

 

 

0 to 10

10 mV

50 mV

 

0.011 %/°F

 

 

 

2 to 10

8 mV

80 mV

 

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

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Honeywell DR4300 manual Types of Input Range, Factory Temp Stability Actuations