Instruction Manual

Sound Level Meter Types 2245 – Instruction Manual Page 95 of 110
Table A.19 Directional response for the sound level meter with Windscreen UA-
1650, measured in a plane parallel to the display and along the microphone’s
axis, 10.6 KHz - 20 KHz
10.6 KHz 11.2 KHz 11.8 KHz 12.5 KHz 13.2 KHz 14 KHz 15 KHz 16 KHz 17 KHz 18 KHz 19 KHz 20 KHz
0° -0.03 -0.03 -0.03 -0.03 -0.04 -0.03 -0.04 -0.05 -0.05 -0.05 -0.04 -0.02
5° -0.05 -0.06 -0.08 -0.07 -0.07 -0.09 -0.07 -0.07 -0.10 -0.10 -0.10 -0.09
10° -0.16 -0.21 -0.22 -0.18 -0.21 -0.27 -0.19 -0.15 -0.21 -0.25 -0.21 -0.24
15° -0.28 -0.37 -0.40 -0.29 -0.38 -0.53 -0.44 -0.34 -0.48 -0.64 -0.54 -0.58
20° -0.50 -0.66 -0.68 -0.46 -0.61 -0.85 -0.77 -0.62 -0.86 -1.06 -0.99 -1.02
25° -0.76 -0.97 -0.99 -0.69 -0.90 -1.23 -1.17 -1.08 -1.24 -1.58 -1.54 -1.60
30° -1.00 -1.30 -1.38 -1.09 -1.28 -1.60 -1.72 -1.58 -1.68 -2.08 -2.15 -2.12
35° -1.21 -1.64 -1.76 -1.54 -1.63 -2.03 -2.19 -2.13 -2.16 -2.58 -2.78 -2.73
40° -1.50 -2.02 -2.22 -2.00 -2.00 -2.47 -2.71 -2.70 -2.80 -3.07 -3.32 -3.37
45° -1.70 -2.34 -2.72 -2.49 -2.56 -2.90 -3.21 -3.31 -3.52 -3.63 -3.94 -4.17
50° -2.18 -2.70 -3.07 -3.07 -3.09 -3.38 -3.77 -3.92 -4.26 -4.46 -4.75 -4.95
55° -2.66 -3.10 -3.47 -3.66 -3.60 -3.98 -4.31 -4.64 -5.06 -5.40 -5.57 -6.01
60° -2.92 -3.39 -3.91 -4.19 -4.26 -4.60 -4.98 -5.24 -5.82 -6.46 -6.64 -6.76
65° -3.45 -3.77 -4.44 -4.76 -4.81 -5.48 -5.48 -5.97 -6.63 -7.31 -7.59 -7.96
70° -3.85 -4.38 -4.84 -5.38 -5.49 -5.99 -6.20 -6.83 -7.34 -8.08 -8.71 -9.05
75° -4.13 -4.90 -5.33 -5.70 -6.41 -6.45 -7.19 -7.19 -8.07 -9.01 -9.46 -10.06
80° -4.63 -5.08 -5.86 -6.08 -6.74 -7.57 -7.55 -8.55 -8.89 -9.66 -10.58 -10.95
85° -4.75 -5.53 -6.05 -6.55 -7.09 -7.76 -8.76 -8.95 -10.16 -10.39 -11.00 -11.75
90° -4.79 -5.65 -6.56 -6.91 -7.72 -8.46 -8.87 -9.78 -10.89 -11.19 -11.96 -12.60
95° -5.50 -6.13 -7.08 -7.51 -8.40 -8.81 -9.62 -10.42 -10.89 -11.85 -12.78 -14.38
100° -5.96 -6.72 -7.51 -7.66 -8.66 -9.42 -9.85 -10.31 -11.17 -12.63 -14.53 -14.77
105° -6.30 -6.49 -6.92 -8.19 -9.19 -9.96 -10.36 -11.03 -11.84 -13.02 -14.30 -15.11
110° -6.43 -6.78 -7.89 -8.60 -8.92 -10.09 -10.66 -11.41 -12.57 -13.80 -15.63 -15.27
115° -6.22 -7.43 -8.22 -8.04 -9.20 -10.72 -10.56 -11.63 -12.80 -14.06 -15.62 -16.08
120° -6.53 -7.35 -7.42 -8.73 -9.43 -10.60 -11.42 -12.03 -12.53 -14.37 -14.76 -17.08
125° -7.18 -7.22 -8.43 -8.58 -9.72 -10.78 -10.57 -12.48 -13.21 -14.66 -16.01 -16.67
130° -7.61 -7.95 -9.31 -9.16 -10.68 -10.58 -11.01 -11.71 -13.40 -14.08 -15.07 -17.38
135° -7.70 -8.22 -9.18 -10.58 -11.30 -11.66 -11.92 -12.87 -14.06 -14.24 -15.22 -16.44
140° -6.67 -7.86 -9.32 -10.82 -11.36 -11.73 -12.80 -14.12 -15.39 -15.48 -16.58 -18.64
145° -6.36 -7.13 -8.13 -9.20 -9.80 -10.81 -12.12 -13.79 -15.26 -15.38 -16.26 -21.45
150° -5.52 -6.24 -7.98 -9.06 -9.19 -9.69 -10.81 -12.40 -13.20 -13.78 -15.99 -18.00
155° -5.66 -6.64 -7.73 -7.83 -7.95 -8.60 -10.15 -11.74 -12.46 -13.05 -15.36 -16.22
160° -6.16 -7.19 -7.81 -7.75 -8.09 -9.03 -10.47 -11.59 -11.78 -12.58 -14.21 -14.94
165° -6.05 -6.71 -7.65 -8.47 -9.00 -9.94 -11.52 -12.44 -12.64 -13.84 -16.59 -15.95
170° -8.39 -9.32 -9.69 -9.51 -9.97 -11.12 -12.33 -12.61 -12.51 -13.71 -15.85 -15.09
175° -6.48 -7.79 -8.65 -9.00 -9.63 -10.85 -12.31 -13.25 -13.57 -14.63 -17.73 -20.56
180° -5.57 -6.54 -7.19 -7.62 -8.33 -9.37 -10.72 -11.54 -11.88 -12.97 -15.06 -15.53
185° -6.89 -7.96 -8.67 -9.11 -10.17 -11.49 -13.04 -14.08 -14.59 -16.24 -18.03 -17.73
190° -8.60 -9.15 -9.66 -10.13 -10.51 -11.35 -12.40 -12.67 -12.53 -13.37 -15.10 -15.38
195° -6.05 -6.86 -7.58 -8.16 -8.95 -9.97 -11.60 -12.74 -12.92 -13.92 -16.14 -16.17
200° -6.32 -7.06 -7.53 -7.76 -8.04 -8.77 -10.15 -11.41 -11.43 -12.04 -14.81 -15.13
205° -5.31 -6.35 -7.56 -7.91 -7.97 -8.45 -9.86 -11.66 -12.30 -12.69 -15.00 -15.73
210° -5.50 -6.24 -7.49 -8.59 -9.06 -9.45 -10.40 -12.34 -13.02 -13.34 -15.16 -17.69
215° -6.16 -6.49 -7.62 -8.91 -9.76 -10.53 -11.78 -13.38 -14.90 -15.46 -15.90 -19.89
220° -6.75 -7.59 -8.69 -10.15 -11.37 -11.55 -12.31 -13.62 -15.58 -15.37 -15.79 -18.43
225° -7.32 -7.60 -8.56 -10.07 -11.28 -11.49 -11.68 -12.54 -13.82 -13.32 -14.32 -16.03
230° -7.45 -7.51 -8.32 -9.29 -10.42 -10.35 -10.39 -11.26 -12.64 -13.21 -15.08 -16.67
235° -6.89 -7.00 -7.72 -8.24 -9.78 -10.20 -10.21 -12.10 -12.61 -13.91 -14.92 -17.04
240° -6.18 -6.84 -6.91 -8.25 -9.14 -10.42 -10.97 -11.68 -12.21 -13.74 -14.19 -16.61
245° -5.92 -6.68 -7.45 -7.79 -9.21 -10.24 -10.02 -11.15 -12.60 -13.29 -14.63 -15.57
250° -6.04 -6.10 -7.25 -8.16 -8.66 -9.64 -9.95 -10.74 -12.38 -13.24 -13.69 -14.76
255° -5.80 -6.01 -6.39 -7.90 -9.07 -9.59 -9.88 -10.53 -11.47 -12.48 -14.06 -14.71
260° -5.44 -6.17 -6.65 -7.30 -8.44 -9.05 -9.16 -9.73 -10.82 -11.94 -13.35 -14.70
265° -5.03 -5.50 -6.35 -7.28 -8.27 -8.49 -9.14 -9.80 -10.46 -11.20 -11.84 -14.11
270° -4.45 -5.16 -5.94 -6.56 -7.52 -8.11 -8.36 -9.40 -10.42 -10.47 -11.15 -12.47
275° -4.41 -5.00 -5.41 -6.25 -6.97 -7.44 -8.20 -8.49 -9.69 -9.84 -10.29 -11.60
280° -4.20 -4.57 -5.25 -5.83 -6.53 -7.16 -7.01 -7.99 -8.47 -9.18 -9.73 -10.77
285° -3.77 -4.40 -4.81 -5.43 -6.20 -6.09 -6.77 -6.77 -7.75 -8.40 -8.75 -9.93
290° -3.52 -3.94 -4.38 -5.11 -5.29 -5.71 -5.79 -6.46 -6.93 -7.50 -8.00 -9.05
295° -3.09 -3.39 -3.96 -4.48 -4.60 -5.18 -5.12 -5.60 -6.23 -6.71 -7.03 -8.05
300° -2.61 -3.02 -3.49 -3.98 -4.09 -4.37 -4.68 -4.91 -5.44 -5.98 -6.08 -6.71
305° -2.34 -2.70 -3.08 -3.44 -3.39 -3.70 -3.94 -4.26 -4.70 -4.92 -5.00 -5.88
310° -1.90 -2.38 -2.71 -2.88 -2.91 -3.13 -3.48 -3.62 -3.98 -4.05 -4.21 -4.88
315° -1.45 -2.08 -2.38 -2.29 -2.37 -2.68 -2.94 -3.10 -3.28 -3.22 -3.50 -4.16
320° -1.26 -1.76 -1.93 -1.81 -1.82 -2.28 -2.51 -2.50 -2.55 -2.68 -2.96 -3.46
325° -1.00 -1.42 -1.50 -1.34 -1.45 -1.82 -2.00 -1.93 -1.88 -2.19 -2.39 -2.75
330° -0.83 -1.11 -1.15 -0.90 -1.11 -1.45 -1.56 -1.38 -1.39 -1.74 -1.82 -2.15
335° -0.59 -0.79 -0.77 -0.53 -0.77 -1.12 -1.04 -0.89 -1.01 -1.32 -1.27 -1.58
340° -0.35 -0.50 -0.48 -0.32 -0.48 -0.75 -0.65 -0.44 -0.63 -0.85 -0.72 -0.98
345° -0.16 -0.25 -0.24 -0.15 -0.25 -0.45 -0.34 -0.17 -0.31 -0.46 -0.36 -0.57
350° -0.06 -0.09 -0.08 -0.06 -0.12 -0.22 -0.12 -0.05 -0.13 -0.15 -0.13 -0.22
355° 0.01 0.00 0.01 0.01 -0.01 -0.04 0.00 0.02 0.00 0.00 0.00 -0.04
Nominal Frequency
Angel