Strobe Sounders EPA-72s
Established in 1999, DSW manufactures fire alarms and strobe sounders according to customer specifications.
EPA-72 Fire Alarm is a highly nonreactive fluoropolymer thermoplastic with a high voltage coefficient piezoelectric, wide response frequency, and excellent mechanic properties.
The piezo alarm produces sound based on the reverse of the piezoelectric effect.
The underlying principle is that applying electric potential across a piezoelectric material generates pressure variation or strain.
Specification
| Specification | Value |
| Rated Voltage | 12 VDC |
| Operating Voltage | 6-15 VDC |
| Max. Rated Current | 300 mA |
| Min. SPL | 110 +/- 3 dB |
| Resonant Frequency | Not Specified |
| Tone Nature | Not Specified |
| Housing | ABS Housing (Red or White) |
| Operating Temperature | Not Specified |
| Storage Temperature | Not Specified |
| Weight | 13.5 kg |
| Remark | 580 x 240 x 450 mm (100 pcs) |
Importance of Strobe sounders
Fire sounders are essential components of any fire alarm system. They produce an audible alarm that alerts building occupants during a fire outbreak. When a fire alarm is triggered, the sounder produces a loud, distinct sound designed to grab the attention of anyone in the building.
Decibel levels and their significance
Decibel levels are an essential consideration when choosing a fire alarm sounder. Decibels (dB) measure sound intensity; the higher the decibel level, the louder the sound.
Where are Strobe Sounders Found?
Building codes typically require strobe sounders in specific locations within buildings, especially those with high-risk fire scenarios or where occupants might not be familiar with the sound of a fire alarm.
Here are some familiar places you might find them:
Residential buildings (especially multi-unit dwellings)
Commercial buildings (offices, shops, restaurants)
Industrial facilities
Schools and universities
Hospitals and nursing homes
Notice
However, more significant buildings or noisy environments may require a higher decibel level.
The International Building Code (IBC) recommends a minimum decibel level of 85dB for fire alarm sounders in most commercial buildings. Sometimes, a decibel level of 110dB or higher may be required.
It is important to note that high decibel levels can harm human hearing. Therefore, choosing a fire alarm sounder with a decibel level appropriate for your building’s size and noise level is essential.
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