Table 11-3
Mass flow accuracy
Specification
Unit
Sensor size
DN15
DN25
DN50
DN80
DN100
DN150
Qmin - minimum flowrate
kg/h
(lb/min)
70
(2.57)
240
(8.92)
800
(29.4)
2000
(73.5)
4000
(146.9)
6900
(253.5)
Qnom - nominal flowrate
kg/h
(lb/min)
4500
(163.3)
20500
(753.2)
49000
(1800)
122000
(4483)
273000
(10031)
459200
(16873)
Qmax - maximum flowrate
kg/h
(lb/min)
8000
(294)
35000
(1286)
90000
(3307)
250000
(9186)
520000
(19107)
860000
(31600)
Measuring accuracy for liquids - 0.1% ver‐
sion
%
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
Measuring accuracy for liquids - 0.2% ver‐
sion
%
±0.2
±0.2
±0.2
±0.2
±0.2
±0.2
Measuring accuracy for gases (additional)
%
±0.4
±0.4
±0.4
±0.4
±0.4
±0.4
Max. zero point stability
kg/h
(lb/min)
0.6
(0.0235)
2.16
(0.0792)
7.2
(0.264)
20.0
(0.735)
41.6
(1.628)
68.8
(2.528)
Repeatability error
%
±0.05
±0.05
±0.05
±0.05
±0.05
±0.05
Table 11-4
Density accuracy
Specification
Unit
Sensor size
DN15
DN25
DN50
DN80
DN100
DN150
Density accuracy - 0.1% version
kg/m³
±2
±2
±2
±2
±2
±2
Density accuracy - 0.2% version
kg/m³
±10
±10
±10
±10
±10
±10
Density repeatability
kg/m³
±0.25
±0.25
±0.25
±0.25
±0.25
±0.25
Density, media pressure effect
kg/m³
no effect ±0.35
±0.27
±0.19
±0.24
±0.45
Density, media temperature effect
kg/m³
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
Table 11-5
Media temperature accuracy
Specification
Unit
Sensor size
DN15
DN25
DN50
DN80
DN100
DN150
Media temperature accuracy
°C
±0.5
±0.5
±0.5
±0.5
±/-0.5
±/-0.5
Media temperature repeatability
°C
±0.25
±0.25
±0.25
±0.25
±/-0.5
±/-0.5
Table 11-6
Additional error by deviations from reference conditions
Specification
Unit
Sensor size
DN15
DN25
DN50
DN80
DN100
DN150
Current output
as pulse output ±(0.1% of actual flow + 0.05% FSO)
Effect of process pressure
% of actual
flowrate per
bar
<-0.002
<-0.013
<-0.01
-0.006
<-0.009
<-0.035
Technical data
11.2 Performance
SITRANS FC330
196
Operating Instructions, 01/2019, A5E44030648-AB