Flow measuring blades

Sigma Flow measuring blades
Applications : air supply systems in laboratories, air conditioning systems, air flow test rigs, fume extraction and exhaust systems, vacuum cleaning systems.
The Sigma flow measuring blades are a simple and cost effective method of providing permanent air flow measurement in rectangular or circular ducts. When used with our differential pressure devices (pressure, transmitter, electronic micromanometer, liquid column manometer, differential pressure switch, …).
Sigma air flow measuring blades ensure accurate indication, control or recording of air flow velocity and volume.
Permit velocity measurements from 3 to 100 m/s (9 Pa to 10000 Pa).
Airfoil section limiting differential heads (<3%) and turbulences.
Distribution of the measurement apertures on the airfoil permitting the medium
air flow control (average of the differential pressures).

Accessories
Tubes
Clear and silicone tube
Clear tube Ø 5 x 8
For permanent installation (m/l or 25m).
Silicone tube Ø 4 x 7
Black or white, for test instruments (m/l or 25 m).

Connection accessories
Straight connection for Ø 5 x 8 tube.
T-connection for Ø 5 x 8 tube.
Y-connection for Ø 5 x 8 tube.

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