7
5
NOISE CRITERION CURVES
* Measured in anechoic room.
PKA-RP100KAL
41 - 45 - 49
PKA-RP60/71KAL
Models
39 - 42 - 45
Sound level dB (A)
Sound level at anechoic room : Low-Middle-High
1.0m
1.0m
Measurement location
5-1. SOUND LEVELS
5-2. NOISE CRITERION CURVES
PKA-RP60/71KAL.TH(-ER)
External static pressure : 0Pa
Power source : 220, 230, 240V, 50Hz
PKA-RP100KAL.TH(-ER)
External static pressure : 0Pa
Power source : 220, 230, 240V, 50Hz
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
63
125
250
500
1k
2k
4k
8k
NC-60
NC-50
O
ct
ave
b
an
d
pr
essu
re
le
ve
l (
dB
) 0
dB
=2
0
μ
P
a
Approximate minimum
audible limit on
continuous noise
NC-40
Octave band center frequencies (Hz)
NC-20
NC-30
High
Low
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
63
125
250
500
1k
2k
4k
8k
NC-60
NC-50
O
ct
ave
b
an
d
pr
essu
re
le
ve
l (
dB
) 0
dB
=2
0
μ
P
a
NC-40
Octave band center frequencies (Hz)
NC-20
NC-30
High
Low
PKA-RP60/71KALR1.TH(-ER)
PKA-RP100KALR1.TH(-ER)
Approximate minimum
audible limit on
continuous noise
OCH452B
