105
Reference Manual
00809-0100-4001, Rev JA
Appendix A: Reference Data
November 2012
Specifications and reference data
A.1.4
Long term stability
A.1.5
Dynamic performance
A.1.6
Line pressure effect per 1000 psi (6,9 MPa)
Models
Long Term Stability
3051C
Ranges 2-5
±0.125% of URL for 5 years
±50 °F (28 °C) temperature changes, and up to 1000 psi (6,9 MPa) line pressure.
3051CD Low/Draft Range
Ranges 0-1
±0.2% of URL for 1 year
3051T
Ranges 1-4
±0.125% of URL for 5 years
±50 °F (28 °C) temperature changes, and up to 1000 psi (6,9 MPa) line pressure.
Rosemount 3051H
Ranges 2-3
Ranges 4-5
±0.1% of URL for 1 year
±0.2% of URL for 1 year
4 - 20 mA
(
HART
protocol)
(1)
Fieldbus
protocol
(3)
Typical HART Transmitter Response Time
Total Response Time (T
d
+ T
c
)
(2)
:
3051C, Ranges 2-5:
Range 1:
Range 0:
3051T:
3051H/L:
100 ms
255 ms
700 ms
100 ms
Consult factory
152 ms
307 ms
752 ms
152 ms
Consult factory
Dead Time (Td)
45 ms (nominal)
97 ms
Update Rate
22 times per
second
22 times per
second
(1)
Dead time and update rate apply to all models and ranges; analog output only
(2)
Nominal total response time at 75 °F (24 °C) reference conditions.
(3)
Transmitter fieldbus output only, segment macro-cycle not included.
Models
(1)
Line Pressure Effect
3051CD
Zero Error
(2)
±0.125% of URL/100 psi (6,89 bar)
Range 0
Range 1
±0.25% of URL/1000 psi (68,9 bar)
Ranges 2-3
±0.05% of URL/1000 psi (68,9 bar) for line pressures from 0 to 2000 psi (0 to 13,7 MPa)
Range 0
Span Error
±0.15% of reading/100 psi (6,89 bar)
Range 1
±0.4% of reading/1000 psi (68,9 bar)
Ranges 2-3
±0.1% of reading/1000 psi (68,9 bar)
T
c
T
d
T
d
= Dead Time
T
c
= Time Constant
Pressure Released
Response Time = T
d
+T
c
Time
0%
100%
36.8%
Transmitter Output vs. Time
63.2% of Total
Step Change