Measured variablesVolumetric flow a. c., volume a. c., gas velocity, Speed of sound, optional volume correction via integrated, electronic volume corrector (EVC)
Measuring MediumNatural gas (with up to 30% hydrogen), air, natural gases containing increased levels of CO2, N2, H2S, O2, H2
Nominal pipe size3 ″ ... 56 ″ (DN 80 ... DN 1400), other nominal pipe sizes on request
最大测量误差Volume flow (standard): ‐ ±1.0 % o.r. for 3 to 40 m/s (9.84 to 131.23 ft/s) ‐ ±2 % o.r. for 0.3 to 3 m/s (0.98 to 9.84 ft/s) Volume flow (optional calibration): ‐ ±0.5 % o.r. for 3 to 40 m/s (9.84 to 131.23 ft/s) ‐ ±1.0 % o.r. for 0.3 to 3 m/s (0.98 to 9.84 ft/s) Corrected volume flow (standard): ‐ ±1.5 % o.r. for 3 to 40 m/s (9.84 to 131.23 ft/s) ‐ ±2.5 % o.r. for 0.3 to 3 m/s (0.98 to 9.84 ft/s) Corrected volume flow (optional calibration): ‐ ±1.0 % o.r. for 3 to 40 m/s (9.84 to 131.23 ft/s) ‐ ±1.5 % o.r. for 0.3 to 3 m/s (0.98 to 9.84 ft/s) Sound Velocity: ±0.2 % o.r.
测量范围Gas: 0.3 m/s to 40 m/s
介质温度范围-50 to 150 °C (-58 to +302°F) -50 to 100 °C (-58 to +212°F) with integrated pressure cell
Measured variablesMass flow rate, volumetric flow s. c. (standard condition), volumetric flow a. c. (actual condition), molecular weight, gas volume and mass, gas velocity, sound velocity
Measuring range0,03 m/s ... 120 m/s (0.1 ft/s ... 394 ft/s)
Measured variablesVolume a. c., volumetric flow a. c., gas velocity, volume s. c. (*), volume flow under s.c. (*) (*) additional function included with integrated volume correction
Measured variablesVolume a. c., volumetric flow a. c., gas velocity, volume s. c. (*), volume flow under s.c. (*) (*) additional function included with integrated volume correction
Number of applicationsSupport up to 4 gas runs or 2 liquid runs per module (Flow-X/M, Flow-X/C)
Inputs6x analog transmitter input, high accuracy Input types are 4 to 20 mA, 0 to 20 mA, 0 to 5 V, 1 to 5 V Accuracy mA inputs; 0.002% FS at 21 °C, 0.008% at full ambient range of 0-60 °C, long-term stability 0.01% per year Resolution: 24 bits. Analog inputs have the same earthing relative to all other electronic devices.
16x digital status inputs. Resolution 100ns (10MHz)
Outputs4x analog output for process outputs and flow / pressure control. Resolution 14 bits, 0.075% FS. Analog outputs share same ground floating in relation to all other electronics.
16x digital output, open collector. Rating 100mA @24V
%20with%20flange%20connections%20for%20accurate%20measurement%20of%20natural%20and%20process%20gas%20-%20PP01.jpg "超声波流量计Proline Prosonic Flow G 300（9G3B）产品图：坚固耐用的气体测量专家")
