| Technical |
| Standards |
IEC61672: 2002 Class 1, ANSI S1.4: Type 1 (1983) |
| Filters |
IEC61260: Class 0, ANSI S1.43: (1996) |
| Note |
IEC61672 replaces 2 obsolete standards, IEC60651 andIEC60804 |
| General |
| Measurement range |
20-140dB RMS (143.3dB peak) |
| Total Noise floor |
19dB(A) Class 1 |
| Time weightings |
Fast, Slow and Impulse simultaneously |
| Frequency weightings |
A, C and Z (un-weighted) simultaneously |
| Amplitude weighting (Q) |
3, 4 and 5 simultaneously |
| Back erase |
Last 10s in cumulative mode |
| Timers |
Duration 1s-24h |