The 3rd Plenary Session of the National Const…

From September 20th to 22nd, the 3rd plenary session of the National Building Waterproofing Association was held in Yantai, Shandong. A total of more than 30 representatives from the national, provincial and municipal waterproof associations and some representatives of the waterproofing companies at ...more...

Common monitoring system troubleshooting

â–  Troubleshooting common monitoring systems â–  Monitoring system FAQs: Camera 1. No image output A. Check if the power supply is connected and the power supply voltage is enough. B. BNC connector or video cable is not in poor contact. C. Is the lens aperture open? D. Whether the vi ...more...

Twisted Pair Transmitter Analysis of Common P…

Analysis of Common Problems of Twisted Pair Transmitter in Engineering Practice (1) 1, the image is sometimes lost: under normal circumstances is due to contact between the contact points in the line caused by poor contact , Please check whether the terminal wiring is tightened, BNC head to use p ...more...

Rapid analysis method for various elements in…

Determination of Mn, Si and P in Conventional Carbon Steel and Low-alloy Steel (Rapid Before Boiler): Determination of Manganese (Silver Salt - Ammonium Persulfate Oxidation Spectrophotometry): First, the main reagent 1, nitric acid - silver nitrate (0.4%): In (1 + 4) diluted nitric acid 1000ml, a ...more...

Stainless steel wire mesh Features

Stainless steel wire mesh Features: 1, The filter effect is very stable: in the production process, select the quality of raw materials, so that it is not easy to use in the process of deformation; 2, Strength: high-quality materials with high pressure resistance, can withstand greater work intens ...more...

Camera malfunctions and solutions

Camera malfunctions and solutions Wen: Rui Dun International (Hong Kong) Co., Ltd. Dreamcatcher 1. Infrared hemisphere series machines have poor image illumination, white or bright white aperture at night This phenomenon is caused by improper assembly of the machine. When the photosensitive dev ...more...

CNVS network video server has access to the l…

A6: It may be due to the following reasons: (1) Check whether the network is normal. You can enter "Ping 192.168.1.XXX" in the "Start-Run" of the PC. 192.168.1.XXX is the IP address of the video server. See the label at the bottom of the device. If the prompt: "Reply fro ...more...