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Reference Manual
00809-0100-4808, Rev CA
June 2008
5-3
Rosemount 3051N
PERFORMANCE
SPECIFICATIONS
Based upon zero-based calibrations, reference conditions, 4–20mA analog
output, and digital trim values equal to the span setpoints
Reference Accuracy Includes hysteresis, terminal-based linearity, and repeatability
(1)
Rosemount 3051ND
Rosemount 3051NG
Rosemount 3051NA
Drift Rosemount 3051ND, NG, NA
Ambient Temperature
Effect
(1)(2)
Rosemount 3051ND/NG
Rosemount 3051NA
(1) RDF = Range Down Factor = URL / Calibrated Span
Range Code Reference Accuracy
0 ± 0.10% calibrated span from 1:1 to 2:1 RDF
± 0.05% upper range limit from 2:1 to 30:1 RDF
1 ± 0.10% calibrated span from 1:1 to 15:1 RDF
± (0.005% URL + 0.025% span)
from 15:1 to 50:1 RDF
2 – 5 ± 0.075% calibrated span from 1:1 to 10:1 RDF
± (0.005% URL + 0.025% span) from 10:1 to 100:1 RDF
Range Code Reference Accuracy
2 – 5 ± 0.075% calibrated span from 1:1 to 10:1 RDF
± (0.005% URL + 0.025% span) from 10:1 to 100:1 RDF
Range Code Reference Accuracy
0 ± 0.075% calibrated span from 1:1 to 5:1 RDF
± (0.01% URL + 0.025% span) from 5:1 to 30:1 RDF
1 – 4 ± 0.075% calibrated span from 1:1 to 10:1 RDF
± (0.0075% URL) from 10:1 to 100:1 RDF
Range Code Drift
1 ± (0.2% URL + 0.2% span) for 30 months
2 – 5 ± 0.2% URL for 30 months
(2) Exposure of isolating diaphragms to process temperatures above 185 °F (85 °C), but below 250 °F (121 °C), produces a temperature
effect of ±1.0% of calibrated span in addition to the effects listed.
Range Code Ambient Temperature Effect per 50° F (28° C)
0 ± (0.25% URL + 0.05% span)
1 ± (0.1% URL + 0.25% span) from 1:1 to 30:1 RDF
± (0.14% URL + 0.15% span) from 30:1 to 50:1 RDF
2 – 5 ± (0.0125% URL + 0.0625% span) from 1:1 to 5:1
± (0.025% URL + 0.125% span) from 5:1 to 100:1
Range Code Ambient Temperature Effect per 50° F (28° C)
0 ± (0.1% URL + 0.25% span)
1 – 4 ± (0.025% URL + 0.125% span) from 1:1 to 30:1
± (0.035% URL + 0.125% span) from 30:1 to 100:1