DB20C揚(yáng)聲器擬在潛在爆炸性的環(huán)境中，使用此范圍喇叭額定功率達(dá) 8 瓦 (應(yīng)要求） 及適合在惡劣的環(huán)境條件，在石油、 天然氣和石油化工行業(yè)中找到離岸及岸使用。輕量級的磚利設(shè)計(jì)提供了自立和自鎖功能，安裝到從 0.5 至 55 毫米厚的天花板瓷磚極其方便。
This range of Ceiling-Mounted loudspeakers, intended for use in potentially explosive atmospheres, has a power rating of up to 8 Watts (upon request) and is suitable for use in the harsh environmental conditions found offshore and onshore in the oil, gas and petrochemical industries.
The lightweight, patented design provides self-supporting and self-locking mounting onto a ceiling tile from 0.5 to 55mm thick. The speaker is held in the mount via a twist-fit support and locking grille, giving access from above or below and allowing first fit of either ceiling or speakers. The DB20C’s compact design will fit a ceiling cavity of limited space and its aesthetically pleasing appearance will enhance the surroundings.
Features
- Zone 1& 2 and Zone 21 & 22 use
- IIC Gas Group and Dust approved
- BASEEFA certified
- GOST ‘R’ & ‘K’ certified
- Brazilian (Inmetro) certified
- IECEx Approved
- IP66 & IP67
- Certified temperature –50°C to +70°C*
- GRP and Flame-Retardant ABS corrosionfree construction
- 100dB (A) at 1 watt at 1 metre
- Power tappings via integral transformer
- Tool-free mounting method
- 100V or 70V line versions available
- Earth continuity available
*Temperature class relates to ambient temperature
(see over)
