Máy đo độ ồn Casella CEL-633
SPECIFICATIONS
| Standards |
- IEC61672: 2002 Class 1 and 2, ANSI S1.4: Type 1 and 2 (1983)
- Filters: IEC61260: Class 0, ANSI S1.43: (1996)
- Note: IEC61672 replaces 2 obsolete standards, IEC60651 and IEC60804
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| General |
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| Measurement range |
20-140dB RMS (143.3dB peak) |
| Total Noise floor |
25dB(A) Class 2 |
| Time weightings |
Fast, Slow and Impulse simultaneously |
| Frequency weightings |
A, C and Z (un-weighted) simultaneously |
| Frequency bands |
N/A |
| Amplitude weighting (Q) |
3, 4 and 5 simultaneously |
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