Pioneer PDM-4001 Technical Manual page 37

Intake side
Mesh
A
100 mm
C
(Intake side)
Special installation (Putting in a box) Mesh (side)
Minimum area 500 cm
or more
Mesh with aperture ef-
ficiency of 50% or more
A ≥ 50
B ≥ 50
C ≥ 10
D ≥ 50
Mesh
Exhaust side
A
B
10mm
B
C
2
C 100 mm
(Exhaust side)
Outside air temperature
measuring point
D
3 7