Siemens SITRANS FX330 - Page 106

8 TECHNICAL DATA
106
SITRANS FX330
www.siemens.com/flow 08/2022 - A5E36751269-AG EN
Measuring accuracy
Reference condition
Reference conditions Water at +20°C / +68°F
Air at +20°C / +68°F and 1.013 bara / 14.7 psia
Maximum measuring error
Volume flow
(liquid)
±0.75% of measured value (Re ≥ 20000)
±2.0% of measured value (10000 < Re < 20000)
Volume flow
(gases and steam)
±1.0% of measured value (Re ≥ 20000)
±2.0% of measured value (10000 < Re < 20000)
Mass flow
(gases and steam)
±1.5% of measured value (Re ≥ 20000) ①
±2.5% of measured value (10000 < Re < 20000) ①
Mass flow
(liquid / water)
±1.5% of measured value (Re ≥ 20000)
±2.5% of measured value (10000 < Re < 20000)
Normalised volume flow
(gas)
±1.5% of measured value (Re ≥ 20000) ①
±2.5% of measured value (10000 < Re < 20000) ①
Repeatability
(volume flow)
±0.1% of measured value
① The maximum error of measurement refers to measurement at an operating pressure >65% of the full scale value of
the applied pressure sensor.
Note: In SIL mode, deviating measuring errors have to be taken into account. For details refer to the "Safety Manual".
Operating conditions
Temperature
Medium temperature -40…+240°C / -40…+465°F
Ambient temperature ②
Non-Ex: -40…+85°C / -40…+185°F
Ex: -40...+65°C / -40...+140°F
Storage temperature -40...+85°C / -40...+185°F
② Decreasing display contrast outside of the temperature range of 0...+60°C / +32...+140°F.
Pressure
Medium pressure Max. 100 bar / 1450 psi (higher pressures on request)
Ambient pressure Atmosphere: altitude up to 4000 m / 13123 ft above sea level
Media properties
Density Taken into consideration when sizing.
Viscosity < 10 cP
Reynold's number > 10000
Other conditions
Use Indoor / Outdoor
Humidity
Annual average ≤ 90% RH (no condensation)