FC7x0
Accuracy
3.6
(6.5)
1.6
(2.9)
1.2
(2.2)
0.9
(1.6)
Fig. 12: Presentation of temperature accuracy
1
2
8.8 Repeatability
When using default damping times, the specified repeatability of mass flow, density and
For liquids
temperature measurements equals half of the respective maximum deviation.
R =
R
D
In deviation hereto, the following applies to mass and standard volume flow of gases:
For gases
R =
8.9 Calibration conditions
8.9.1 Mass flow calibration and density adjustment
Each SITRANS FC device comes with a standard calibration certificate.
Calibration takes place at reference conditions. Specific values are listed in the standard
calibration certificate.
Fluid
Density
Fluid temperature
Ambient temperature
Process pressure (absolute)
The accuracy specified is achieved at as-delivered calibration conditions stated.
34 / 180
3.5
(6.3)
3.0
(5.4)
2.5
(4.5)
2.0
(3.6)
1.5
(2.7)
1.0
(1.8)
0.5
(0.9)
0
-100
0
100
(-148)
(32)
(212)
-70
20
(68)
(-94)
Temperature specification Standard and Medium
Temperature specifications High
D
2
Repeatability
Maximum deviation
D
1.25
A5E52748387-AA, 2023/09
2
1
200
300
(°F)
(392)
(572)
230
350
T
(446)
(662)
pro
Reference conditions
Water
0.9 – 1.1 kg/l (56 − 69 lb/ft³)
10 – 35 °C (50 – 95 °F)
Average temperature: 22,5 °C (72.5 °F)
10 – 35 °C (50 – 95 °F)
1 – 5 bar (15 – 73 psi)
Repeatability
°C