Friedrich FPHMR18A3A Service Manual page 25

Sound Pressure Data Cassettes
Model
9K
Test condition 4.6ft(1.4m) from the unit; 3.3ft(1.0m) high from the ground
90
80
70
60
50
40
30
Lo
20
10
63 125 250
Octave band center frequency(Hz)
Model 18K
Test condition 4.6ft(1.4m) from the unit; 3.3ft(1.0m) high from the ground
25
SPECIFICATIONS
Hi
Med
500 1k 2k 4k
Model
12K
4.6ft(1.4m) from the unit; 3.3ft(1.0m) high from the ground
Test condition
90
80
70
NC-70
NC-65
60
NC-60
NC-55
50
NC-50
NC-45
40
NC-40
Lo
NC-35
30
NC-30
NC-25
20
NC-20
NC-15
10
63 125
8k
Model
Test condition
90
80
70
60
50
40
30
20
10
63 125
Hi
Med
250 500 1k 2k
Octave band center frequency(Hz)
24K
4.6ft(1.4m) from the unit; 3.3ft(1.0m) high from the ground
Hi
Lo
250 500 1k
Octave band center frequency(Hz)
NC-70
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
4k 8k
NC-70
NC-65
NC-60
NC-55
NC-50
NC-45
Med Med Med
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
2k 4k 8k