- Brand: Changdian
- Model: 8-inch bell Great Wall
Great Wall 8 inch outer strike style electric bell
Product video presentation http://v.youku.com/v_show/id_XNTM2NTE1MDcy.htmlI. Scope
This product is no spark bells, stainless steel, suitable for industrial and mining enterprises, organizations, schools and public places equipment supporting AC 50HZ, voltage to 220V following circuit, the signal for the call or notification, while also suitable for families as the doorbell alarm and other uses.
Second, the normal working conditions:
1. not more than 2000 meters above sea level
2. The ambient medium humidity no higher than +40 degrees and no less than --25 degrees air relative humidity less than 90% (when the temperature is + 25 degrees)
3. No ambient air flammable and corrosive gas or conductive dust and no significant shake and shock vibration environments.
4. able to work properly when the rated voltage ± 10%, no more than 10 minutes continuously.
5. Pollution levels for 2, installation category II class.
First, the function and purpose
The product according to the time set by the user, can be used as factories, schools, offices automatic bell control. If with appropriate language films, but also as a family, authorities in the schedule of voice prompts, automatic, timely and accurate warning effect.