How to choose a reliable explosion proof CCTV camera supplier?
Explosion proof CCTV cameras is apply for hazardous area, relates to safe , human being, industry process property. Therefore, when client face millions of supplier and prices of explosion proof CCTV cameras, you should keep clear and clever, and don't be fooled by price. how to choose a reliable explosion proof CCTV cameras suppliers, Ms. Cookee will give you a way of 4 points: 2 certificates, 1 test report, 1 product label
Firstly, explosion proof certificates: ask the supplier to offer explosion proof certifications for each model of explosion proof cameras. Make sure one explsoion proof certification only effect to one model explosion proof cameras.
Secondly, government issued produce permission certificate for explosion proof cameras. The produce permission cerificate will list clearly which model of explosion proof eletronics is allowed to produce by manufacturer.
Thirdly, explosion proof cameras test report, will show what kind of test the products has passed. generally, explosion proof cameras will have apperance and structure check, IP test, power adaptablity, insulation resistance, working frequency, voltage resistance, max surface temperature, operating stablity, operating at lower and higher temperature, vebiration test, anti-shocking test ect. the test report will also attached a picutre of sample products. we should check weather the picture and model is the same as the product to sell.
Fourthly, please check explosion proof cameras name label sticking on surface of products. please check product model, explosion proof marking, IP rated, explosion proof certificate series number, manufacturer name.