Chauvin Arnoux C.A 825 Manual De Instrucciones página 9

HOW TO USE THE CONES
1. SENSOR - CONES POSITION :
If you use the C.A 827 or C.A 828 cone, clip the hot-wire anemometer probe into the cone.
The sensor must be placed :
- at the centre of the orifice
- perpendicular to air flow
If you use the C.A 825 cone, insert the vane (Ø 100mm) in the cone :
- for a measurement in supply : insert the vane in the cone with the arrow
(on the top pf the vane) turned toward the
outside of the cone.
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