e) put on the cover so that the diodes fit the corresponding
holes in it
f) holding the cover with one hand fasten the fixing screws
g) put on the rubber cover
3. SV 35A Technical specifications
Output signal
Sound Pressure Level (SPL): 94 dB and 114 dB, with respect to 20 Pa in reference
conditions
Accuracy: IEC 60942: 2003 standard, Class 1
SPL Accuracy: 0.3 dB
Frequency accuracy: 0.2 %
Total Distortion < 0.25 % for 94 dB range and
< 0.75 % for 114 dB range
Reference conditions
Temperature: 23 C
Atmospheric pressure: 101.3 kPa
Humidity: 30-80 % RH
Effective microphone load volume: 250 mm
3
, microphone type: 4134, SN: 1591010
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