Vedard Security Alarm Technical Support

Each surveillance camera has a lens focal length, and different monitoring focal lengths correspond to different monitoring distances. As a common monitoring lens focal length of 6mm, do you know how far its monitoring distance is? We know that the larger the focal length, the longer the monitoring ...

How to ensure security of orchard, garden, fishpond, farm, base station? These places are outdoors or even in remote areas with important materials and equipment. Thieves or wild animals often break in to steal or damage facilities. How to scare away the thieves and animals and alert people long awa...

BS10 Automatic Fire alarm controller is integrated entire ship cabin fire alarm and water mist fire extinguishing controller. The main performance index Meets the requirements of MSC.1/Circ.1387 in Chapter 9 of the FSS Code. It can be used for fixed local water-based fire extinguishing systems in Ca...

Disadvantages of infrared smoke detector 1. The fire was discovered late. In order to avoid the false alarm of shielding objects, infrared smoke detectors are installed in the warehouse and under the ceiling of the venue. The distance between smoke and the detectors is long and the fire is found lat...

The first type is a linear beam smoke detector with a power supply at both ends. It is provided with two power supplies, and each power supply should have the main power and backup power, but also with a low level controller. The system requires regular maintenance and inspection. Therefore, its cos...

1. Fault phenomenon: the fire alarm controller sends out the fault alarm, the fault indicator light is on, and the printer prints the fault type, time and position of the detector. 2. the cause of failure: 1) Detector falls off and the base is in bad contact; 2) Bad contact between the alarm bus and...

Why do fire detectors often set off false alarm? 1. Product quality is poor The technical parameters of the product can not meet the requirements, the stability is poor, the sensitivity drift caused by non-fire factors in the working environment such as temperature, humidity, dust, wind speed can no...

1. Fire alarm system troubleshooting i)Main power failure. Check whether the input power supply is in good condition, whether the fuse is burnt out, bad contact, etc. ii)Backup power failure. Check whether the charging device and battery are damaged and whether the connection is broken. iii)Detect l...

The gas monitoring system is installed at Chemical plant, filling station, decompression station, gas plant, etc. The leakage of inflammable and explosive gases and poisonous and harmful gases will cause serious casualties and losses. The gas detection and monitoring system can detect danger in time...

Hand held programmer is important device for addressable fire alarm system. With it, programming and reading code of addressable fire alarm system is easy.