Siemens SITRANS FC410, Руководство по эксплуатации, Страница: 95 / 160

Technical data
11.4 Performance
FC410 with Modbus
Operating Instructions, 02/2016, A5E33120874-AC
93
11.4 Performance
Table 11- 5 Reference conditions
Description Specification
Process media Water
Process media temperature 20 °C (68 °F)
Ambient temperature 25 °C (77 °F)
Process media pressure 2 bar (29 psi)
Process media density 0.997 g/cm
3
(62.2 lb/ft
3
)
Reference device orientation Horizontal installation, tubes down, flow in direc-
tion of arrow on casing, see Installing/Mounting
(Page 27).
Table 11- 6 Massflow accuracy
Description Specification
Sensor size DN 15 DN 25 DN 50 DN 80
Qmin - minimum flowrate [kg/h] (lb/min) 20
(0.735)
200
(7.35)
750
(27.6)
900
(33.1)
Qnom - nominal flowrate [kg/h] (lb/min) 3700
(136)
11 500
(422.6)
52 000
(1 911)
136 000
(4 997)
Qmax - maximum flowrate [kg/h] (lb/min) 6 400
(235.2) 17 700
(650.4) 70 700
(2598) 181 000
(6651)
Max. zero point stability [kg/h] ±0.2 ±2.0 ±7.5 ±18.0
Measuring accuracy [%] ±0.10
Repeatability error [%] ±0.05
Table 11- 7 Density accuracy
Description Specification
Density accuracy, standard calibration [kg/m³] ±5
Density accuracy, extended calibration [kg/m³] ±0.5
Density repeatability [kg/m³] ±0.25
Density, media pressure effect [(kg/m³)/Bar] ±0.5
Density, media temperature effect [(kg/m³)/°C] ±0.1
Table 11- 8 Media temperature accuracy
Description Specification
Media temperature accuracy [°C] ±1
Media temperature repeatability [°C] ±0.25