Emerson Rosemount 3051P Reference Manual page 67

Reference Manual
00809-0700-4001
Figure 5-1: Local Configuration Button Options
A. Analog zero and span (D4)- green retainer
B. Digital zero trim (DZ)- blue retainer
5.4.2 Determine calibration frequency
Calibration frequency can vary greatly depending on the application, performance
requirements, and process conditions. Use the following procedure to determine
calibration frequency that meets the needs of your application.
Procedure
1. Determine the performance required for your application.
2. Determine the operating conditions.
3. Calculate the total probable error (TPE).
Rosemount 3051P
Example
Required Performance:
Example
Transmitter
Calibrated span
Ambient temperature
change
Example
TPE
Where:
Reference accuracy
Ambient temperature
effect
Static pressure effect
0.50 percent of span
Rosemount 3051P, Range 1 [URL = 30 psi (2.1 bar)]
30 psi (2.1 bar)
±50 °F (28 °C)
± 0.040 percent of span
±(0.05 percent URL + 0.25 percent of span) per 50 °F
(28 °C) = ±0.3 percent of span
0 percent (does not apply to in-line products)
Operation and maintenance
April 2020
= 0.303 percent of span
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