Flow Performance - Flow Reference Accuracy - Emerson Rosemount 2051 Reference Manual

Appendix A: Specifications and Reference Data
April 2013
Models Standard
2051C
Range 1
Ranges 2-4
Range 5
2051T
Ranges 1-4
Range 5
2051L
Ranges 2-4
A.1.3

Flow performance - flow reference accuracy

2051CFA Annubar Flowmeter
Ranges 2-3
2051CFC Compact Orifice Flowmeter – Conditioning Option C

Ranges 2-3

2051CFC Compact Orifice Flowmeter – Orifice Type Option P

Ranges 2-3

2051CFP Integral Orifice Flowmeter

Ranges 2-3 0.1< <0.2
0.2< <0.6
0.6< <0.8
(1) For smaller line sizes, see Rosemount Compact Orifice
100
±0.10% of span
For spans less than 15:1, accuracy =
  % of Span
URL

0.025 + 0.005 -------------- -
 
Span
±0.065% of span
For spans less than 10:1, accuracy =
  % of Span
URL

-------------- -
0.025 + 0.005
 
Span
±0.075% of span
For spans less than 10:1, accuracy=
  % of Span
URL

-------------- -
0.025 + 0.005
 
Span
±0.065% of span
For spans less than 10:1, accuracy =
  % of Span
URL

0.0075 -------------- -
 
Span
±0.075% of span
For spans less than 10:1,
  % of Span
URL

accuracy = 0.075 -------------- -
 
Span
±0.075% of span
For spans less than 10:1, accuracy =
  % of Span
URL

0.025 + 0.005 -------------- -
 
Span
±2.00% of Flow Rate at 5:1 flow turndown
=0.4 ±2.25% of Flow Rate at 5:1 flow turndown
=0.65 ±2.45% of Flow Rate at 5:1 flow turndown
=0.4 ±2.50% of Flow Rate at 5:1 flow turndown
=0.65 ±2.50% of Flow Rate at 5:1 flow turndown
<0.1 ±3.10% of Flow Rate at 5:1 flow turndown

±2.75% of Flow Rate at 5:1 flow turndown

±2.25% of Flow Rate at 5:1 flow turndown

±3.00% of Flow Rate at 5:1 flow turndown
High Performance Option, P8
High Accuracy Option, P8
±0.05% of span
For spans less than 10:1, accuracy =
Ranges 2-4

0.015
High Performance Option, P8
±0.065% of span
For spans less than 10:1, accuracy=
Range 5

0.015
High Accuracy Option, P8
±0.05% of span
For spans less than 10:1, accuracy =
Ranges 1-4

0.0075
(1)
Appendix A: Specifications and Reference Data
Reference Manual
00809-0100-4107, Rev BA
  % of Span
URL
-------------- -
+ 0.005
 
Span
  % of Span
URL
-------------- -
+ 0.005
 
Span
  % of Span
URL
-------------- -
 
Span