two thousand and thirteen
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eleven
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thirty
explain:
One of the voice alarms has a special power and prompt signal. The call light alarm (also called sound light alarm) is an alarm signal device used in dangerous places to send warning signals to people through sound and various lights. There are many kinds of audible and visual alarms, one of which is the explosion-proof audible and visual alarm. It is suitable for installation in explosive gas environment with IIC T6 temperature group. It can also be used in explosion-proof areas of Zone 1 and Zone 2 with explosion-proof requirements in petroleum, chemical and other industries, as well as outdoor and outdoor use. The non coding type can be used together with the fire alarm controller of any manufacturer at home and abroad. In case of emergency such as accident or fire on the production site, the control signal sent by the fire alarm controller will start the audible and visual alarm circuit to send out audible and visual alarm signals to complete the alarm purpose. It can also be used together with the manual alarm button to achieve simple audible and visual alarm. The shell of the alarm is made of all stainless steel, and the lamp shell has strong impact resistance. The 180 clear and super bright LED light emitting tube is equipped with an ultra strong buzzer. It has the characteristics of stable operation, long service life, low power consumption, and is not affected by pollutants and water. 1. The fire audible and visual alarm shall be set at the emergency exit of each fire compartment, and its location should be set at the corridor of each floor near the staircase exit. 2. For the protection object with multiple alarm areas, it is better to select the fire sound alarm with voice prompt, and the voice should be synchronized. 3. When multiple fire audible alarms are set in the same building, all fire audible alarms can be started and stopped at the same time.