Máy đo độ ồn Casella CEL-632 Octave Band
SPECIFICATIONS
| Standards |
| IEC61672 |
2002 Class 1 and 2, IEC 60651: Type 1 and 2 (1979), |
| IEC60804 |
Type 1 and 2 (2000), ANSI S1.4: Type 1 and 2 (1983) |
| Filters |
IEC61260: Class 0, ANSI S1.43: (1996) |
| |
| Measurement range: |
20-140dB RMS (143.3dB peak) |
| Total Noise floor: |
19dB(A) Class 1, 25dB(A) Class 2 |
| Time weightings: |
Fast, Slow and Impulse simultaneously |
| Frequency weightings: |
A, C and Z (un-weighted) simultaneously |
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