NZS 4512:2010
Cl 406
Alerting device sound pressure levels
The sounder level tool reads the 10 dB and 5 dB margins over the residual level, the 65 dB to 100 dB band, the bedhead and balcony levels, the 90 dB visual device trigger, the care area margin and the measurement height, from Clauses 406.3, 406.4 and 406.7.
Verified: read against the printed standard, pages 62–63. Checked 26 Sept 2026.
Units: Level dB LAFmax, Trigger dB LAeq(10min), Margin dB, Height m
These are the values AmpSize encodes. No text of the standard is reproduced. Verify against the current standard.
1 rows
| Min db | Max db | Bedhead min db | Balcony min db | Margin voice db | Margin tone db | Visual trigger db | Hospital margin db | Measurement height M |
|---|---|---|---|---|---|---|---|---|
| 65 | 100 | 75 | 65 | 10 | 5 | 90 | 5 | 1.8 |