8
Sound Level Meter Model CA832
CHAPTER 3
SPECIFICATIONS
3.1
Reference Conditions
Frequency:
1000Hz
Sound Level:
94dB
Temperature:
68°F (20°C)
Humidity:
65%
Measurement Range:
80-130dB
Incidence Direction:
Frontal
3.2
Electrical Specifications
Standard:
IEC 651, Type 2
Range:
Lo - 37 to 80dB
Med - 50 to 100dB
Hi - 80 to 130dB
Resolution:
0.1dB
Precision:
±2.0dB
Accuracy:
±1.5dB (ref 94dB @ 1KHz)
Dynamic Range:
50dB
Frequency Range:
31.5 to 8000Hz
Frequency Weighting:
A and C per IEC651
Time Weighting:
Slow (S) and Fast (F) per IEC651
Microphone:
Electret condenser microphone
Sensor Calibration:
Calibrated at factory using a source at 0.2%
Measurement Period:
2.5 times per second
NOTE:
For frequencies lower than 100Hz, the difference between two
measuring ranges can be higher than 0.7dB.
Summary of Contents for CA832
Page 19: ...Sound Level Meter Model CA832 17 Notes...
Page 36: ...34 Son metro CA832 Notes...
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