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6.1 Technical data consumption sensor VA 400
Accuracy with
measuring section ±3 % m.v.
±2 % m.v.
via 5 point ISO precision calibration
Units freely selectable m³/h, m³/min, l/min, l/s, ft/min, cfm, kg/h, kg/min, kg/s
Inlet length 15 x inner pipe diameter
Outlet 5 x inner pipe diameter
Ball valve 1/2" stainless steel 1.4301
Operating temperature -20 to 70 °C
Storage temperature -40 to 80 °C
3 measured value per
VA 400 Flow in m³/h resp. m³/min, consumption in m³ bzw. l,
velocity in m/s
6.2 Measuring ranges consumption sensor VA 400
Tube inner diameter VA 400 Max.
(185,0 m/s) VA 400 HighSpeed (224,0
m/s)
Inch mm Measuring range
from ... to Measuring range
from ... to
1/4“ 6 DN 6 1.0 ... 157 l/min 2.0 ... 190 l/min
1/2“ 16.1 DN 15 3.5 ... 1516 l/min 6.0 ... 1836 l/min
3/4“ 21.7 DN 20 0.4 ... 178 m³/h 0.7 ... 215 m³/h
1“ 27.3 DN 25 0.6 ... 295 m³/h 1.1... 357 m³/h
1 1/4“ 36.0 DN 32 1.2 ... 531 m³/h 2.5 ... 644 m³/h
1 1/2“ 41.8 DN 40 1.5 ... 728 m³/h 3.0 ... 882 m³/h
2“ 53.1 DN 50 2.5 ... 1198 m³/h 4.6 ... 1450 m³/h
2 1/2“ 71.1 DN 65 5 ... 2187 m³/h 7 ... 2648 m³/h
3“ 84.9 DN 80 7 ... 3133 m³/h 12 ... 3794 m³/h
4“ 110.0 DN 100 12 ... 5279 m³/h 16 ... 6391 m³/h
5“ 133.7 DN 125 18 ... 7808 m³/h 24 ... 9453 m³/h
6“ 159.3 DN 150 25 ... 11097 m³/h 43 ... 13436 m³/h
8“ 200.0 DN 200 33 ... 17533 m³/h 50 ... 21230 m³/h
10“ 250.0 DN 250 52 ... 27429 m³/h 80 ... 33211 m³/h
12“ 300.0 DN 300 80 ... 39544 m³/h 100 ... 47881 m³/h
DIN 1945/ ISO 1217: 20°C, 1000mbar
5 point precision calibration with ISO certificate: order no. 3200 0001
special version for oxygen measurement: order no. 3200 0010