When main electricityis cut off, after 8 hours monitoring station, batteries must make sure emergency broadcast broadcasting more than 30 minutes.
Charge for store batteries, monitor batteries failures.
Supply batteries and switch between main electricity and batteries for system.
Supply stable power switch for system, monitoring power supply failures.
3.power supply
When AC is power supply,electricity is lower (lower than AC187V), Amplifier will switch to DC24V automatically,make sure continuous power supply.
Large radiator is used to give out heat, with overheat protection function.
Quick response locked type output overloading protection, output short circuit protection,output over voltage protection, restore automatically.
LED bar display for volume and output electricity level
level volume digital control, durable, volume storage memory. When emergency broadcast,volume is at full and can not be changed.
2.Amplifier
emergency broadcast can broadcast to one or more pointed areas, with monitoring functions for amplifying output.
This system can do failure tests for broadcast lines, power supplies and batteries and give sound-light alarms respectively. Sound-light alarm can be set to silence, light signal is continuous until failures disappear. Sound signal will work when next failure happens.
Choose 24 loops broadcast area through press key.
Background broadcast monitoring station and emergency broadcasting monitoring station is switched by operation lock. When background broadcast, broadcast operation can be done by SD card, and start emergency broadcast through 485 bus. When emergency broadcast, both manual operation and controller can start emergency broadcast
Use of computer control technology,operation is simple and direct, many kinds of automatic functions, reflect people oriented ideas.
1.Controller:
Broadcasting emergency system
Emergency alarm system
Fire broadcast system
Fire broadcast system
Broadcasting emergency system
Emergency alarm system
Delivery Time: | 50 days after the receipt of advance payment |
Package: | Plastic Bag/Foam/Paper Box |
Supply Ability: | 5000 Set/Sets per Month |
Minimum Order Quantity: | 1 Set/Sets |
Payment Terms: | T/T |
Port: | Beijing; Tianjin Xin Gang |
Usage: | Fire Alarm |
Usage: | Fire |
Brand Name: | Hover |
Place of Origin: | Beijing China (Mainland) |
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