HBK 4231 Manuel De L'utilisateur page 13

Chapter 1 – Introduction and Controls
Table 1.1 Adapters and calibration level corrections for Sound Calibrator Type 4231
Brüel & Kjær Instrument
1/2 Microphones
1/4 Microphones
1/8 Microphones
Noise Dose Meter Type 4444
Logging Noise Dose Meter
Type 4445, 4445-E
Noise Dose Meter Type 4436
Weatherproof Microphone Unit
Type 4184
(with Protection Tube UA 1072)
Sound Intensity Probe Sets
Ear Simulator Type 4195
(low-leak, open ear sensitivity)
Ear Simulator Type 4195
(high-leak, open ear sensitivity)
Ear Simulator Type 4185
(open ear sensitivity)
Ear Simulator Type 4157
HATS Type 4128-C
a This adapter is delivered with the noise dose meter
b The 114 dB level cannot be used
c This only performs an SPL calibration. For intensity calibrations, use Sound Intensity
Calibrator Type 3541
d Adapter DP 0939 is delivered with Type 4195
e Adapter DB 2015 is delivered with Type 4157
f Adapter UA 1456 is delivered with Type 4128-C
Adapter
UC 0210
DP 0775
DP 0774
DP 0952
DP 0781
UC 0210
DP 0888
DP 0939
DP 0939
–
DB 2015
UA 1546
Sound Calibrator Type 4231
User Manual
Cal. Level
Correction
see Table 2.1
0.0 dB
a
+1.7 dB
b
+3.0 dB
c
bd +4.2 dB
bd –9.3 dB
–0.2 dB
+4.7 dB
e
f +3.1 dB
Accuracy
±0.2 dB
±0.5 dB
5