Analyze the false alarm factors of intrusion detectors

At present, there are several reasons for the false alarms in the alarm system: the poor anti-interference ability of wireless detectors is manifested as the same frequency interference is easy to cause false alarms; the infrared detectors are not accurate enough to judge the intrusion behavior, which causes false alarms; infrared detectors are vulnerable to False alarms are caused by environmental factors such as temperature and light.

Because both the host and the detector use wireless coding to set the code, there is duplication, which causes the host and the detector to repeat the code, resulting in false alarms; some alarms are of poor quality, such as component damage and poor production technology, resulting in false alarms; The selected equipment, installation method, angle, position, etc. are also relevant; there are also human factors under the influence of the environment such as air flow, pet movement, etc., and human factors include improper user operation, accidental triggering of alarms, and accidental intrusion 、 Mistakenly entering the fortified visiting area will cause false alarms.


20W Glue Guns Features:


1. Versatile

2. Easy

3. Quick

4. Proective Nozzle Cover

5. Trigger Flow Control

6. Bonds instantly

7. High quality

8. High temperature or low temperature

9. New design

10. With switch function


Idea for many applications. Fastening various materials such as paper, cardboard, fabric,wood, lace,trims,leather,metal,glass, tiles, rubber, ceramics and flooring etc.Ideal for hobby and household repair,DIY&craft projects.


Designed and manufactured to the highest of standards to ensure a robust and long life, we hope it provides you with many years of trouble-free, safe and reliable service.


Important Caution:

1. Before use the glue gun, check if the plug cord into electrical outlet properly;

2. When glue gun in first use, the heating element will have small smoke, it is normal situation, but the smoke will disappeared after 10 minutes;

3. After power, not for a long time in standby mode(not longer for 20 minutes), when the suspension of use, unplug first.

4. Avoid to use the glue gun under very hot or very cold environments.

5. Better not work under direct cold wind blowing, it will reduce efficiency and loss power

6. When in continuous using, do not press the trigger with great pressure, and try to squeeze out the un-melted glue, it would damage the glue gun

7. Not applicable for bonding heavy objects or objects needed strong adhesive

8. The quality of glue stick will directly influence the glue gun function and sticking objects quality;

9. If the power cord is damaged, do not replace it by yourself, must ask for professionals to replace it.

10. This tools must b e placed in its position when not in use. And storage before the tools complete cooled.

11. Be careful when using any other electrical appliance with flammable material.

12. Not applicable for a long time in the same place.

13. Do not use an explosive gas atmospheres.

14. Note that heat may be the line of sigh, combustible materials.

15. Do not leave equipment unattended when switched on.

16. This appliance is not intended for use by persons(including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.

17. Children should be supervised to ensure that they do not play with the appliance.


Using methods

1. Glue gun using voltage is 110-220V AC,50/60Hz;

2. Tip gun forward on stand and place a piece of cardboard under the nozzle

3. Use 7-8mm (mini trigger glue gun), 11-12(big trigger glue gun), insert glue sticks through
tunnel at back of gun

4. After power, wait for 5-10 minutes to allow glue to soften

After glue softens, squeeze trigger to feed glue through glue barrel. Excessive force will damage glue gun. Put down nozzle after work, disconnect the power plug

Regular Glue Gun

20W Glue Guns, 20W Mini Glue Gun, Regular Glue Gun

Ningbo Kingvos Electrical Appliance Co.,Ltd , http://www.kingvos.com