Instruction Manual

Sound Level Meter Types 2245 – Instruction Manual Page 98 of 110
Table A.22 Directional response for the sound level meter with Windscreen UA-
1650, measured in a plane perpendicular 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° -0.02 -0.03 -0.02 -0.01 -0.03 -0.02 -0.03 -0.03 -0.03 -0.04 -0.02 0.00
5° -0.02 -0.04 -0.06 -0.04 -0.05 -0.05 -0.03 -0.02 -0.05 -0.05 -0.07 -0.05
10° -0.08 -0.14 -0.16 -0.10 -0.13 -0.22 -0.15 -0.09 -0.21 -0.21 -0.23 -0.19
15° -0.22 -0.37 -0.39 -0.23 -0.32 -0.51 -0.40 -0.27 -0.50 -0.66 -0.53 -0.54
20° -0.48 -0.68 -0.65 -0.38 -0.55 -0.82 -0.78 -0.63 -0.87 -1.10 -1.02 -1.08
25° -0.69 -0.91 -0.87 -0.61 -0.83 -1.13 -1.09 -1.02 -1.14 -1.44 -1.49 -1.45
30° -0.89 -1.24 -1.34 -1.13 -1.23 -1.56 -1.69 -1.48 -1.58 -2.07 -2.12 -2.11
35° -1.10 -1.62 -1.76 -1.45 -1.45 -1.95 -2.12 -2.11 -2.18 -2.52 -2.70 -2.70
40° -1.42 -1.91 -2.17 -1.90 -1.99 -2.40 -2.64 -2.69 -2.76 -3.00 -3.47 -3.38
45° -1.61 -2.21 -2.71 -2.46 -2.44 -2.75 -3.16 -3.29 -3.55 -3.68 -3.87 -3.97
50° -2.23 -2.66 -3.00 -3.04 -3.07 -3.41 -3.70 -3.93 -4.32 -4.53 -4.78 -5.05
55° -2.28 -3.01 -3.43 -3.59 -3.51 -3.81 -4.32 -4.56 -5.03 -5.36 -5.52 -5.86
60° -3.06 -3.09 -3.94 -3.98 -4.20 -4.48 -4.83 -5.22 -5.76 -6.32 -6.50 -6.74
65° -3.18 -3.93 -4.45 -4.63 -4.66 -5.40 -5.56 -5.81 -6.60 -7.33 -7.66 -7.98
70° -3.82 -4.03 -5.06 -5.27 -5.31 -6.04 -6.10 -6.92 -7.35 -8.04 -8.52 -8.92
75° -4.16 -4.89 -5.01 -5.93 -6.09 -6.41 -7.22 -7.38 -8.08 -8.83 -9.55 -9.95
80° -4.40 -5.24 -5.83 -5.76 -7.02 -7.16 -7.57 -8.56 -9.07 -9.57 -10.20 -11.04
85° -4.78 -5.22 -6.37 -6.36 -6.81 -8.05 -8.59 -8.89 -10.38 -10.25 -10.96 -11.72
90° -4.79 -5.43 -6.41 -7.11 -7.42 -8.41 -8.70 -10.40 -10.46 -11.22 -11.52 -13.01
95° -5.14 -6.37 -6.54 -7.57 -8.04 -8.96 -9.69 -10.17 -10.85 -11.93 -12.73 -14.79
100° -5.65 -6.56 -7.84 -7.86 -8.49 -9.23 -9.96 -10.26 -11.41 -12.45 -14.51 -15.10
105° -6.45 -6.64 -7.16 -7.58 -9.49 -9.86 -10.47 -10.76 -12.04 -13.19 -15.47 -14.20
110° -6.47 -6.37 -7.90 -8.57 -9.18 -9.38 -11.10 -11.30 -12.64 -13.67 -14.42 -15.50
115° -6.13 -7.36 -8.46 -8.00 -9.32 -10.76 -11.34 -11.07 -13.26 -14.40 -16.27 -15.73
120° -6.35 -7.84 -7.31 -8.69 -9.42 -9.98 -11.79 -12.12 -13.47 -14.13 -14.33 -18.33
125° -7.53 -7.51 -8.28 -9.19 -9.41 -11.03 -10.81 -11.88 -13.79 -14.52 -16.21 -17.19
130° -6.90 -7.12 -9.69 -9.29 -10.72 -10.91 -11.82 -11.30 -14.04 -14.56 -14.49 -17.62
135° -7.46 -8.03 -8.89 -9.48 -10.61 -11.60 -11.60 -13.04 -14.82 -15.09 -14.22 -17.53
140° -7.84 -8.23 -9.34 -10.75 -11.48 -11.63 -12.02 -13.16 -15.41 -15.12 -15.95 -19.30
145° -5.96 -7.23 -9.49 -10.90 -11.03 -11.66 -12.81 -14.96 -16.54 -15.57 -16.01 -19.45
150° -6.22 -6.63 -7.79 -8.30 -8.59 -9.74 -11.83 -14.16 -14.62 -14.82 -16.79 -21.06
155° -5.22 -6.91 -8.91 -9.13 -9.03 -9.51 -10.70 -11.86 -12.24 -12.71 -15.12 -17.70
160° -4.85 -5.30 -5.84 -6.12 -6.55 -7.80 -9.80 -11.82 -12.74 -13.89 -16.73 -15.68
165° -6.16 -7.02 -7.91 -8.13 -8.35 -9.06 -10.26 -10.71 -10.66 -11.61 -13.71 -13.20
170° -8.88 -9.91 -10.40 -10.39 -10.64 -11.72 -13.02 -13.47 -13.41 -14.63 -17.22 -15.93
175° -6.61 -7.93 -8.96 -9.40 -9.91 -11.24 -12.82 -13.87 -14.33 -15.46 -18.96 -23.73
180° -5.38 -6.34 -7.09 -7.43 -7.99 -9.07 -10.39 -11.16 -11.44 -12.48 -14.78 -15.56
185° -6.85 -7.89 -8.67 -9.03 -9.99 -11.43 -13.15 -14.30 -14.92 -17.01 -19.84 -18.90
190° -9.75 -10.44 -10.93 -11.73 -12.42 -13.26 -14.32 -14.58 -14.30 -14.54 -15.59 -16.66
195° -6.40 -7.27 -8.01 -8.29 -8.61 -9.27 -10.33 -10.67 -10.26 -10.69 -13.18 -13.92
200° -5.00 -5.60 -6.04 -6.09 -6.30 -7.24 -8.95 -10.75 -11.39 -12.76 -15.39 -15.86
205° -4.90 -6.34 -8.08 -9.10 -9.58 -9.72 -10.44 -11.54 -11.60 -11.91 -14.97 -16.03
210° -6.37 -6.70 -7.60 -8.12 -8.41 -9.07 -10.55 -13.05 -13.46 -13.20 -15.48 -17.82
215° -5.86 -6.70 -8.28 -9.99 -10.70 -10.67 -11.55 -13.47 -15.06 -14.59 -14.07 -18.34
220° -7.61 -7.72 -8.40 -9.75 -11.23 -11.25 -11.30 -12.46 -15.04 -14.36 -13.31 -16.99
225° -7.01 -7.84 -8.46 -9.54 -10.77 -11.35 -10.97 -11.05 -13.54 -13.21 -14.45 -15.12
230° -7.03 -7.08 -8.23 -9.08 -9.78 -10.59 -10.88 -10.83 -12.41 -13.25 -14.86 -15.96
235° -7.08 -6.77 -7.78 -8.64 -9.74 -9.87 -10.51 -11.18 -11.71 -13.32 -14.38 -16.54
240° -6.45 -7.32 -6.78 -8.52 -9.07 -9.60 -11.04 -11.04 -11.88 -13.04 -13.53 -15.98
245° -5.86 -7.12 -7.18 -7.54 -9.82 -9.78 -9.86 -10.48 -12.11 -12.78 -14.60 -15.14
250° -5.89 -5.99 -7.68 -7.78 -8.65 -9.23 -9.93 -10.59 -12.16 -12.41 -13.01 -14.96
255° -6.10 -5.83 -6.58 -7.75 -9.17 -9.67 -9.78 -9.85 -10.98 -12.07 -13.57 -14.35
260° -5.54 -6.26 -6.37 -7.52 -8.38 -8.80 -9.02 -9.55 -10.42 -11.27 -13.15 -14.46
265° -5.01 -5.94 -6.39 -7.29 -7.97 -8.60 -9.03 -9.36 -10.16 -10.72 -11.81 -13.72
270° -4.80 -5.16 -5.87 -6.72 -7.47 -8.06 -8.23 -9.15 -10.08 -9.92 -10.80 -12.11
275° -4.37 -4.86 -5.70 -6.15 -6.81 -7.50 -8.18 -8.17 -9.41 -9.41 -10.16 -11.28
280° -4.15 -4.88 -5.20 -5.69 -6.63 -7.22 -6.83 -7.88 -8.03 -8.98 -9.37 -10.58
285° -3.97 -4.38 -4.78 -5.50 -6.29 -6.10 -6.69 -6.47 -7.64 -8.01 -8.59 -9.82
290° -3.45 -3.95 -4.43 -5.09 -5.47 -5.54 -5.71 -6.31 -6.61 -7.29 -7.76 -8.98
295° -3.18 -3.60 -3.96 -4.63 -4.57 -5.11 -5.03 -5.47 -6.12 -6.48 -6.76 -7.75
300° -2.80 -3.02 -3.48 -3.96 -3.98 -4.42 -4.49 -4.84 -5.30 -5.74 -5.90 -6.50
305° -2.28 -2.79 -3.11 -3.47 -3.49 -3.67 -4.00 -4.13 -4.56 -4.72 -4.93 -5.86
310° -1.96 -2.54 -2.68 -2.90 -2.81 -3.12 -3.32 -3.52 -3.75 -3.81 -4.08 -4.80
315° -1.54 -2.01 -2.39 -2.29 -2.39 -2.71 -2.94 -2.94 -3.14 -3.08 -3.42 -4.07
320° -1.37 -1.81 -2.06 -1.78 -1.93 -2.27 -2.50 -2.43 -2.46 -2.58 -2.88 -3.35
325° -0.98 -1.50 -1.52 -1.39 -1.47 -1.91 -1.94 -1.88 -1.83 -2.13 -2.39 -2.73
330° -0.79 -1.16 -1.11 -0.98 -1.11 -1.47 -1.54 -1.30 -1.35 -1.65 -1.76 -2.10
335° -0.62 -0.82 -0.78 -0.61 -0.82 -1.05 -1.01 -0.82 -0.86 -1.15 -1.12 -1.51
340° -0.37 -0.44 -0.45 -0.30 -0.50 -0.67 -0.64 -0.45 -0.59 -0.74 -0.73 -1.04
345° -0.21 -0.23 -0.22 -0.12 -0.27 -0.42 -0.31 -0.20 -0.31 -0.40 -0.36 -0.60
350° -0.08 -0.08 -0.07 -0.03 -0.11 -0.20 -0.10 -0.06 -0.12 -0.14 -0.13 -0.25
355° 0.01 0.02 0.03 0.04 0.02 -0.01 0.03 0.03 0.01 0.02 0.03 -0.02
Nominal Frequency
Angel