NC-20
NC-30
NC-40
NC-50
NC-60
NC-70
50Hz
Note. The measuring point is 1m from the comp. service panel.
COOLING &
HEATING
71 4449575961636964db
500 Hz250 Hz125 Hz
8000 Hz4000 Hz2000 Hz1000 Hz
63 HzCONDITION A scale
20
30
40
50
60
70
80
90
45
octave-band frequency [Hz]
octave-band lebel db (0db=0.0002ubar)
over
all
63 90 125 180 250 355 500 710
1000 1400 2000 2800 4000 5600 8000
10
68db
COOLING &
HEATING
NC-20
NC-30
NC-40
NC-50
NC-60
NC-70
50Hz
76
Note. The measuring point is 1m from the comp. service panel.
48515962656876
500 Hz250 Hz125 Hz 8000 Hz4000 Hz2000 Hz1000 Hz63 Hz
CONDITION
A scale
20
30
40
50
60
70
80
90
45
octave-band frequency [Hz]
octave-band lebel db (0db=0.0002ubar)
over
all
63 90 125 180 250 355 500 710
1000 1400 2000 2800 4000 5600 8000
10
- 26 -
PR-10YC
PRH-10YA
PRH-10YA-L
PR-15YC
PRH-15YA
PRH-15YA-L