Emerson Rosemount 3051P, Reference Manual, Page: 79 / 110

Specifications and Reference Data
Reference Manual
00809-0700-4001, Rev AA
Specifications and Reference Data
May 2017
69
Appendix A Specifications and Reference Data
Performance specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 69
Functional specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 70
Physical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 72
Dimensional drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 73
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 74
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 79
A.1 Performance
specifications
A.1.1 Reference accuracy
Stated reference accuracy equations include terminal based
linearity, hysteresis, and repeatability.
A.1.2 Long term stability
A.1.3 Dynamic performance
Model Standard
Ranges
1 - 4
±0.04% of span.
For spans less than 10:1,
Accuracy=
%
of span
0.0075
URL
Span
--------------
 
 
±
Model Standard
Ranges
1 - 4
±0.2% of URL for 10 years
±0.50 °F (28 °C) temperature changes, and up to 1000
psi (68,95 bar) line pressure
4 - 20 mA HART
(1)
1. Dead time and update rate apply to all models and ranges; analog output only.
Typical HART transmitter response time
Total Response Time (Td + Tc)
(2)
:
2. Nominal total response time at 75 °F (24 °C) reference conditions.
Rosemount 3051P: 100 ms
Dead Time (Td)
45 ms (nominal)
Update Rate
22 times per second
Pressure released
T
d
T
c
Transmitter Output vs. Time
100%
36.8%
0%
Time
63.2% of total
step change
= Dead time
= Time constant
T
d
T
c
Response time = T
d
+ T
c