User's Manual

Technical data
8.3 Accuracy specifications
SITRANS F C MASS 2100 Di 3-40
Operating Instructions, 07/2010, SFIDK.PS.028.Z1.02
35
E error [%]
Z zero point error [kg/h]
Qm mass flow [kg/h]
Figure 8-2 Equation for error curve
Example Di3
● Max zero point error Z = 0.01 kg/h
● Measured mass flow Qm = 12 kg/h
● Error E = ±0.13%
8.3 Accuracy specifications
Table 8- 4 Measuring type errors
Sensor size DI 3 DI 6 DI 15 DI 25 DI 40
Number of measuring tubes
1
Massflow
Linearity error % 0.10
Repeatability error % 0.05
Max. zero point error kg/h 0.01 0.05 0.2 1.5 6.0
Density
Density error g/cm
3
0.0015 0.0015 0.0005 0.0005 0.0005
Repeatability error g/cm
3
0.0002 0.0002 0.0001 0.0001 0.0001
Temperature error °C 0.5
Brix error °Brix 0.3 0.3 0.1 0.1 0.1
Reference conditions (ISO 9104 and DIN / EN 29104)
Table 8- 5 Reference conditions
Flow conditions Fully developed flow profile
Temperature of the medium 20 °C ± 2 K
Ambient temperature 20 °C ± 2 K
Liquid pressure 2 ± 1 bar
Density 0.997 g / cm3
Brix 40 ° Brix
Supply voltage Un ± 1 %
Warming-up time 30 min
Cable length 5 m between transmitter and sensor