10 V5-02-2010
Measuring ranges depending on the inner diameter of the pipe
The sensor VA 400 - standard version with or without display, has a maximum
measuring range of 92.7 m/sec. The flow rate is programmed to: Inner diameter: 53.1 mm
This corresponds with an analogue output 4… 20 mA of
0…600 m³/h 0…10 m³/min 0…10000 l/min 0…166.6 l/sec 0…92.7 m/sec.
In case of the version with display the inner diameter 25.00 has to be set first if the sensor is
used in other pipes, e. g. 1", 25 mm.
The analogue output for 1" can be taken from the table below: 4… 20 mA =
0…122.2 m³/h 0...2.04 m³/min 0…2036.6 l/min 0…33.94 l/sec 0…92.7 m/sec.
In case of the version with display please adjust the respective inner diameter (see page 21).
Inner diameter
of the pipe Flow
(final value of measuring range) max.
Inch mm m³/h m³/min l/min l/s m/s
1/4" 6.0 4.7 0.08 78.7 1.31 92.7
10.0 15.1 0.25 251.1 4.19 92.7
15.0 38.9 0.65 648.6 10.81 92.7
1/2" 16.1 45.6 0.76 760.8 12.68 92.7
3/4" 21.7 89.1 1.48 1484.9 24.75 92.7
1" 25.0 122.2 2.04 2036.3 33.94 92.7
26.0 132.9 2.21 2214.3 36.90 92.7
27.3 147.5 2.46 2457.5 40.96 92.7
28.5 162.0 2.70 2699.6 44.99 92.7
30.0 180.9 3.01 3014.8 50.25 92.7
1 1/4" 32.8 218.8 3.65 3646.2 60.77 92.7
36.0 266.3 4.44 4437.6 73.96 92.7
36.3 270.7 4.51 4511.9 75.20 92.7
1 1/2" 39.3 320.1 5.34 5335.7 88.93 92.7
40.0 332.5 5.54 5541.4 92.36 92.7
41.9 366.7 6.11 6111.0 101.8 92.7
43.1 389.4 6.49 6490.4 108.1 92.7
45.8 441.9 7.37 7365.7 122.7 92.7
2" 50.0 530.6 8.84 8844.1 147.4 92.7
51.2 557.1 9.29 9285.1 154.7 92.7
53.1 600.0 10.00 10000 166.6 92.7
54.5 632.8 10.55 10546 175.7 92.7
57.5 707.8 11.80 11797 196.6 92.7
60.0 773.6 12.89 12892 214.8 92.7
64.2 888.9 14.81 14814 246.9 92.7
MEASURING RANGES STANDARD
Referred to DIN 1945/ISO 1217 (20 °C, 1000 mbar) and compressed air
