Flow Performance; A.1.3 Flow Performance - Emerson Rosemount 2051 Reference Manual

Specifications and Reference Data
November 2016
Models Standard
2051T
±0.065% of span
For spans less than 10:1, accuracy =
Ranges 1–4
 URL
±
0.0075 -------------

Span
±0.075% of span
For spans less than 10:1, accuracy =
Range 5
 URL
±
0.0075 -------------

Span
2051L
±0.075% of span
For spans less than 10:1, accuracy =
Ranges 2–4

±
0.025 + 0.005

1. Not available with output code W.
2. For protocol code F, accuracy specification is for spans less than 7:1.

A.1.3 Flow performance

Flow reference accuracy
Rosemount 2051CFA Annubar Flowmeter
Ranges 2–3
Rosemount 2051CFC_A Compact Annubar Flowmeter — Annubar option A
Standard
Ranges 2–3
Calibrated
Rosemount 2051CFC Compact Orifice Flowmeter — conditioning option C
β = 0.4
Ranges 2–3
β = 0.65
Rosemount 2051CFC Compact Orifice Flowmeter — orifice type option P
β =0.4
Ranges 2–3
β =0.65
Rosemount 2051CFP Integral Orifice Flowmeter
Bore < 0.1
0.1 < Bore < 0.2
Ranges 2–3
0.2 < Bore < 0.6
0.6 < Bore < 0.8
1. For smaller line sizes, see Rosemount Compact Orifice.
62
 % of span

 % of span

URL  % of span
-------------

Span
±2.00% of flow rate at 5:1 flow turndown
±2.60% of flow rate at 5:1 flow turndown
±2.30% of flow rate at 5:1 flow turndown
±2.25% of flow rate at 5:1 flow turndown
±2.45% of flow rate at 5:1 flow turndown
±2.50% of flow rate at 5:1 flow turndown
±2.50% of flow rate at 5:1 flow turndown
±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
Ranges 1–4

±
0.0075

N/A N/A
N/A N/A
(1)
Reference Manual
00809-0300-4101, Rev BB
(1)
(2)
, accuracy =
URL  % of span
-------------

Span
Specifications and Reference Data