BRUEL & KJAER 2209 - Page 5

5. OPERATIONAL CHARACTERISTICS AND ACCURACY ..... 49
5.1.
Directional Characteristics ..................... 49
5.2. Random
InCidence Sound . . . . . . . . . . . . . . . . . . . . . . 55
5.3.
Reflection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
5.4. The Effect of Background Noise . . . . . . . . . . . . . . . . . 56
5.
5. Temperature ................................ 57
5.6.
Pressure ................................... 58
5.7.
Sound ..................................... 59
5.8. Vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
5.9. Relative Humidity ..................... . ..... 67
5.10. Electrostatic Fields ........................... 67
5.11. Magnetic Fields ... . .......................... 67
6. ACCESSORIES AND MEASURING SETS .................. 68
6.1. Accessories Included with 2209 ................. 68
Adaptor
JJ 2614 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Half inch - one inch Adaptor DB 0962 . . . . . . . . . . . 68
Flexible Extension Rod UA 0196 ................ 71
Half inch - one inch Adaptor DB 0375 . . . . . . . . . . . 71
Random Incidence Corrector UA 0055 .... · ....... 71
Windscreen UA 0207 ........... . ............. 71
Plugs JP 0006 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Attenuator Scales . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
6.2.
Optional Accessories .......................... 74
Octave Filter Set 1613 ........................ 74
Adaptor JJ 2615 ............................. 78
Integrator Z R 0020 . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Accelerometers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Microphone Extension
Cables .... . ... . .......... 81
Microphones .............................. . . 81
Microphones Adaptors ........................ 83
Nose Cones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Windscreen
UA 0237 ...... . .................. 84
Pistonphone 4220 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Sound Level Calibrator 4230 ................... 86
Accelerometer Calibrator 4291 .................. 86
Artificial Ears 4152/53 . . . . . . . . . . . . . . . . . . . . . . . . 86
Artificial Mastoid 4930 . . . . . . . . . . . . . . . . . . . . . . . . 87
Connection Cable AO 0007 . . . . . . . . . . . . . . . . . . . . 88
Carrying Case KE 0055 ........................ 89
6.3. Complete Sets ............................... 89
Sound and Vibration Set Type 3507 ............. 89