- Brand: LPMNSD
- Model: Alarm 4 inch suit
I. Scope This product is a non-sparking bell, stainless steel, suitable for industrial and mining enterprises, organizations, public places schools and equipment supporting the exchange of 50HZ, the voltage to 220V the following circuit, for call or notification signal, In the family for the doorbell, alarm and other use.
Second, the normal working conditions:
1. Altitude of not more than 2000 meters
2. Ambient humidity is not higher than +40 degrees and not less than - 25 degrees relative humidity of not more than 90% (when the temperature at +25 degrees)
3. In the surrounding air, no flammable and corrosive gases or conductive dust and no significant shake and shock vibration of the environment.
4. Rated voltage ± 10% can work normally, continuous work is not more than 10 minutes.
5. Pollution level 2, installation category II.
First, function and use
This product can be used as factory, school and institution to control the bell automatically according to the time set by the user.If equipped with the corresponding language film, it can also be used as voice prompts for home and office schedule to realize automatic, timely and accurate warning. effect