20 Вт 3-дюймовый коаксиальный потолочный динамик без оправы с акустической трубкой
7,29-14,58 $
Система пожарной сигнализации DSPPA EN54 для завода
- Категория: >>>
- Поставщик: Guangzhou DSPPA Audio Co. Ltd.Guangzhou Ltd.
Сохранить в закладки 1600888177307:
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Feature
1. Voice alarm broadcast preview function
In order to increase the survival method for office staff in the office building when they encounter a disaster, the system can
enter the alarm test and drill mode through quick operations, and the alarm function will be disabled after finishing the drill.
2. Remote paging and timing function
This system’s remote microphone can remotely paging a single, multiple or entire zones in public areas or office areas; and it has
automatic playback and timing functions to play the timing fixed-point music or off-duty ringtone in public areas or work areas
under unattended operation.
3. Alarm settings and voice download function
The system can program the alarm area combination by the control software and download it to the main controller. When alarming,
the main controller can control each area to enter the evacuation or early warning state according to the prewritten programs. At
the same time, the alarm voice signal generator broadcasts the voice prompt signal, and broadcasts the evacuation or early warning
voice in the corresponding area. The area that has not entered the evacuation and early warning state is not affected.
4. Broadcast priority function
In this system, broadcast speeches have the highest priority, and voice alarms have priority over background music. It can
broadcast or broadcast recorded voice signals to any terminal combination. Multiple paging stations can set different priorities
according to their serial numbers, and up to 32 remote paging microphones can be connected.
5. Flexible software operation function
With flexible operating software, it can remotely detect, control, set audio priority, view operation records, and set impedance
detection parameters in the office through the computer software.
6. Background music function
It can provide background music when there is no fire alarm in the office building. Different program sources can be selected for
different zones. The content and volume of each zone can be controlled by the control software and the main controller.
In order to increase the survival method for office staff in the office building when they encounter a disaster, the system can
enter the alarm test and drill mode through quick operations, and the alarm function will be disabled after finishing the drill.
2. Remote paging and timing function
This system’s remote microphone can remotely paging a single, multiple or entire zones in public areas or office areas; and it has
automatic playback and timing functions to play the timing fixed-point music or off-duty ringtone in public areas or work areas
under unattended operation.
3. Alarm settings and voice download function
The system can program the alarm area combination by the control software and download it to the main controller. When alarming,
the main controller can control each area to enter the evacuation or early warning state according to the prewritten programs. At
the same time, the alarm voice signal generator broadcasts the voice prompt signal, and broadcasts the evacuation or early warning
voice in the corresponding area. The area that has not entered the evacuation and early warning state is not affected.
4. Broadcast priority function
In this system, broadcast speeches have the highest priority, and voice alarms have priority over background music. It can
broadcast or broadcast recorded voice signals to any terminal combination. Multiple paging stations can set different priorities
according to their serial numbers, and up to 32 remote paging microphones can be connected.
5. Flexible software operation function
With flexible operating software, it can remotely detect, control, set audio priority, view operation records, and set impedance
detection parameters in the office through the computer software.
6. Background music function
It can provide background music when there is no fire alarm in the office building. Different program sources can be selected for
different zones. The content and volume of each zone can be controlled by the control software and the main controller.
Product Paramenters
Model | PAVA8500 | PAVA8500E | |||||||
Rated output power | ≥500W（100V） | ||||||||
Input sensitivity | Emergency mic | 5mV 600Ω | —— | ||||||
Line | 1000mV 10kΩ | ||||||||
Harmonic distortion | Emergency mic | <1% 1kHz | —— | ||||||
Line | <1% 1kHz | ||||||||
Freq. response | Emergency mic | 80Hz-15kHz（±3dB） | —— | ||||||
Line | 50Hz-18kHz（±3dB） | ||||||||
Signal to noise ratio | Emergency mic | >70dB（A weighting） | —— | ||||||
Line | >80dB（A weighting） | ||||||||
Line output | Output voltage | 1000mV | —— | ||||||
Frequency range | 80Hz-15kHz（±3dB） | —— | |||||||
Harmonic distortion | <1% 1kHz | —— | |||||||
System connection control contact output/input | System fault relay output | Short circuit, no voltage | |||||||
Emergency mode relay output | Short circuit, no voltage | ||||||||
Fire reset input | Short circuit, t≥0.5S, no voltage | ||||||||
8 channel dry contact output | Short circuit, no voltage | ||||||||
8 dry contact input | Short circuit mode | Short circuit input, no voltage | |||||||
Level mode | 3.3V~24V | ||||||||
Voice message | Data format | WAV | —— | ||||||
Storage form | SD card | —— | |||||||
Storage time | >10 years | —— | |||||||
Working power | AC | AC 220V/50Hz | |||||||
DC | DC 24V/30A | ||||||||
Package size (L*W*H) | 550×510×215mm | ||||||||
Machine size (L*W*H) | 483×420×132mm | ||||||||
G.W. | 14kg | 13.3kg | |||||||
N.W. | 12.05kg | 11.75kg | |||||||
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