DB4B Series Explosion-Proof Horn Loudspeakers
DB4B Series Explosion-Proof Horn Loudspeakers
Art. DB4B
Eaton's Crouse-Hinds DB4B series loudspeakers are designed for use in potentially explosive gas and dust environments. They are suitable for use in marine environments, both onshore and offshore, and in the oil, gas, and petrochemical industries.
The powerful explosion-proof DB4B loudspeaker was introduced as a replacement for the DB4 with improved intelligibility and acoustic performance.
Certified for use over a wide temperature range (-55°C to +85°C), the Ex enclosure is constructed of fiberglass with a durable thermoplastic flange for corrosion resistance.
The frequency response of the device ensures high intelligibility of critical voice messages and general alarm signals.
Specific SPL rating for sensitivity: 1W at 1m is 110dB, while at 1m a 25W unit gives 124dB, a 15W unit 122dB and an 8W unit 119dB.
This device is available in a wide variety of configurations.
The powerful explosion-proof DB4B loudspeaker was introduced as a replacement for the DB4 with improved intelligibility and acoustic performance.
Certified for use over a wide temperature range (-55°C to +85°C), the Ex enclosure is constructed of fiberglass with a durable thermoplastic flange for corrosion resistance.
The frequency response of the device ensures high intelligibility of critical voice messages and general alarm signals.
Specific SPL rating for sensitivity: 1W at 1m is 110dB, while at 1m a 25W unit gives 124dB, a 15W unit 122dB and an 8W unit 119dB.
This device is available in a wide variety of configurations.
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DB4B
380.8 Кб
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