The VelGrid is
an accessory especially designed for use in the measurement of
general face velocity conditions.
Applications include exhaust hoods, HEPA
clean room filter outlets, laminar flow work stations, and large
filters and coils.
is a 12" square, 16 point, face velocity grid for coil, filter,
fume hood and clean room testing. Each
reading represents the input of 16 velocity points over a
14"x14" area (1.36 sq ft).
adjustable extension handle, and meter neckstrap allow convenient
positioning and use of the VelGrid.
The VelGrid comes complete with: