Widely used in over 180 countries and regions around the world, Dahua’s products and solutions must be able to meet the demands of tough environments such as snowy mountains, plateaus, deserts, wetlands, rainforests and coastal regions. In order to achieve robust performance in the environment for which they were designed, Dahua’s products have undergone rigorous tests to meet very tough standards which in most cases exceed the normal industry practice and the datasheet specifications. The purpose is to provide sufficient margins to ensure the product provides the utmost reliability expected of Dahua products when performing in the field.

Toughness: withstanding physical impact whether natural or man made

Dahua video surveillance solutions, such as Smart City and Intelligent Building, are widely applied in many countries worldwide. Installed everywhere in our life, Dahua cameras may be exposed to physical impact. For example, when installed outdoors, the cameras are exposed to numerous risks, ranging from being hit by a basketball, small stones blowing in strong wind, to getting scratched by tree branches. Indoor cameras may be damaged by daily use or people intentionally throwing things at them. As shown by the test results, Dahua vandal proof cameras withstand the challenges in these scenarios, thereby reducing the cost of maintenance. Dahua vandal proof cameras withstand the challenges in tough scenarios, thereby reducing the cost of maintenance

Product Validation: Outdoor cameras have passed IK10 test (standard IEC62262) in which a steel ball weighing 5 kg is dropped from 40 cm above, generating 20 joules of impact energy on five separated spots on every exposed surface (including 3 impacts to the lens). For indoor cameras, the test level ranges from IK06 to IK10 (both standard IEC62262), which covers most possible scenarios.

Vibration: life span is unaffected

In some cases, Dahua cameras are required to work somewhere with high frequency vibration. For instance, places near railways, bridges with fast driving cars and strong crosswinds, or construction sites with piling. Dahua cameras, not only guarantee smooth operation, but also able to maintain the same lifespan. Even in extreme circumstances, such as car accidents, earthquakes or hurricanes, cameras will remain safely attached to the poles. Due to their strong structures, the possibility of accidents caused by falling cameras is eliminated.

Product Validation: All cameras are tested against a frequency of up to 200 Hz with 1G acceleration from X, Y, Z axes for 4.5 hours, ensuring they can function as usual. When it comes to hanging dome cameras, in order to make sure they won’t fall down in even some extreme cases, an extra test which triples the vibration rate is conducted whereby Dahua’s cameras can endure several times longer than the standard average. The cameras are designed to enjoy long working lifespan against tough temperatures

Temperature: reliability 10 degrees beyond the standard range

Inevitably, Dahua cameras are sometimes installed in extreme heat and freezing environments, be it factories that are hot during processing, or chilled-storage warehouses that are maintained cold, or deserts that are scorching hot during the day and freezing cold at night. Coldness and heat will cause shrinkage, which may very likely to shorten a camera’s lifespan. In addition to long hours of usage, the cameras are also designed to enjoy long working lifespan against these tough temperatures, saving the costs of repairing and replacing.

Product Validation: All Dahua cameras have been through low and high temperature, continuous operation test for no less than 16 hours (standard IEC62599-1) with spec temperature to guarantee product performance. Besides, all Dahua cameras have gone through intensified HALT (High Accelerated Life Test) and ALT (Accelerated Life Test) tests, to ensure that the cameras can properly work in -50℃ to 80℃, 10 degrees beyond the standard range (-40℃ to 70℃). This aims to trigger potential product failures from increased extreme environmental stress, helping to locate and improve the weaknesses and identify potential defects of our cameras at the earliest possible stage. No less than 3 cold starts were required in each of the tests. Via these unique tests, Dahua’s cameras come out as extra tough when used in practice. Even when installed in the most extreme environments imaginable, Dahua cameras bring along smooth and condensation-free operation

Humidity: not a hindrance

Extreme temperature and humidity are major threats to the smooth day-to-day functioning of intricate devices. But this is not the case for Dahua cameras. Even when they are installed in the most extreme environments imaginable, a snow mountain like Mount Everest, a tropic rainforest like Amazon Rainforest, or a desert like the Hobq Desert, where there are dramatic weather shifts, exacerbating humidity issues, they bring along smooth and condensation-free operation.

Product Validation: For fully enclosed cameras such as PTZ cameras, Eye Ball cameras, and Bullet cameras,

Alternating temperature and humidity tests (damp heat cyclic)

With temperatures varying between 25℃ and 55℃ and relative humidity reaching a maximum of 100% (camera surface allow condensation) were conducted for two cycles lasting a total of 48 hours. For cameras not fully enclosed, Steady Damp-heat Tests at 40℃ and 93% humidity (no condensation) were conducted for 96 hours. Both tests have been developed on the basis of International IEC Standards, ensuring that all cameras are capable of working with the humidity varying from 0 to 100%. Dahua cameras are able to resist long time waterfall as well as intentional or accidental manmade sprays

Waterproof: natural rain or man made spray

Working in regions and countries like northeast Indian, Burma and Sierra Leone which are known for abundant rainfall, or Asian cities that experience weeklong plum rains, Dahua cameras are able to resist long time waterfall as well as intentional or accidental manmade sprays.

Product Validation: Outdoor cameras are required to go through IPX6 or IPX7 tests. Standard IEC62262 IPX6 test requires camera surface to be sprayed by 100±5 L/min of water for 3 minutes. It is worth mentioning that Dahua cameras are tested for at least 10 minutes in the same conditions, 3 times tougher than the standard one.

In addition, Dahua has developed its own standards which include tests where, 5±0.5 L/min of water (equivalent of middle rain in plum rain season) was sprayed to cameras for 192 hours from above. On top of the water ingress tests, every Dahua camera needs to go through an airtightness test, too, to make sure that it is sufficiently water-proof.

Corrosion protection: quadruple of IEC standards

Dahua Port Solution and airport solution require the cameras to be installed in seaports and airports where it’s highly likely to be wet and salty. Salt spray and electrochemical effects may result in serious corrosion on metal surfaces, which may cause the fall of the cameras. However, Dahua cameras won’t be bothered by this problem. All of these tests ensure Dahua to deliver lasting performance for customers all over the globe

Product Validation: A salt water solution of 5% NaCl and pH 6.5 to 7.2 was sprayed for 2 hours, then a 40℃ and 93% damp heat test for 166 hours per cycle for 4 cycles over a period of 28 days, a remarkable performance of quadruple the International IEC Standards. It was in an effort to simulate the cyclic salt spray environment in coastal cities and to identify the likelihood of a camera falling following possible metal corrosion.

Tests ensuring lasting performance

In addition to the tests above, Dahua cameras have also passed a Drop Test that decreases the risks of damage during transportation; a Life-span Test that promises a life of at least 4 years in normal conditions; and a Dust Resistance Test ensuring a performance undisturbed by dust. Together, all of these tests ensure Dahua to deliver lasting performance for customers all over the globe. Demonstrating the mission to enable a Safer Society and Smarter Living, Dahua will continue to focus on “Innovation, Quality, and Service” to serve partners and customers around the world.

Download PDF version

In case you missed it

What are the obstacles to adoption of mobile credentials for access control?
What are the obstacles to adoption of mobile credentials for access control?

Using a smart phone as an access control credential is an idea whose time has come – or has it? The flexible uses of smart phones are transforming our lives in multiple ways, and the devices are replacing everything from our alarm clocks to our wallets to our televisions. However, the transformation from using a card to using a mobile credential for access control is far from a no-brainer for many organisations, which obstacles to a fast or easy transition. We asked this week’s Expert Panel Roundtable: When will mobile credentials dominate access control, and what are the obstacles to greater adoption?

How to choose the right security entrance for effective customer security
How to choose the right security entrance for effective customer security

Security and systems integrators across the nation are recommending and providing long-term security solutions to their customers. But when it comes to physical security entrances, integrators can easily fall into the trap of simply fulfilling an end user’s exact request without much pushback. Why? We believe the complexity and variety of entrances available makes it difficult to consult on the best solution, but also because there are a lot of assumptions at play. 1) Ask questions to determine the correct security entrance solution There is confusion in the security industry on the meaning of the word, “turnstile.” End users, when requesting a solution, tend to use the word “turnstile” to describe anything from an old fashioned, 3-arm turnstile to a high-tech optical turnstile to a security revolving door. We encourage security integrators to ask questions to discover how their clients want to mitigate the risk of unauthorised entry or “tailgating.” This can help determine the correct security entrance solution to meet the end user’s goal and budget. By asking the right questions and offering true solutions, you can enhance a relationship built on trust and consultation leading to potential repeat business. Below are four physical security goals—crowd, deterrence, detection, and prevention—accompanied by the type of “turnstile” and its capabilities. This breakdown can help the integrator to confidently address an end user’s request for a “turnstile,” and then recommend a solution that truly fulfills their security goals. 2) Explore options for crowd control Typically seen in stadiums, amusement parks, universities, and fitness centres, tripod turnstiles are considered a low security solution for crowd management. Designed for counting employees or slowing down high traffic volume to collect tickets or payments, tripod turnstiles are built to withstand the most abusive of conditions. Here’s what security integrators should know about tripod turnstiles: Low capital cost, but high annual operating cost due to needed 24/7 guard supervision Lack of sensors can lead to defeat – turnstiles can be crawled under or jumped over without alarm/notification to guard staff Little to no metrics capabilities available – no sensors or alarms if defeated High throughput, handling 30 persons per minute in one direction Full height turnstiles are a tall, robust solution for perimeter fence lines, metro stations or parking garages 3) Choose an effective deterrent A physical deterrent to infiltration, full height turnstiles are a tall, robust solution for perimeter fence lines, metro stations or parking garages. While full height turnstiles do physically stop tailgating (an unauthorised person following someone in the next compartment), they have no means to prevent piggybacking. Two people in collusion can gain access through the full height turnstile by badging once and then squeezing into the same compartment. Here are some other things to note about full height turnstiles: Low capital cost, low annual operating cost Guard supervision is up to the user Little to no metrics capabilities available – no sensors or alarms if defeated Moderate throughput, handling 18 persons per minute in one direction 4) Ensure your chosen turnstile can detect tailgating A staple in lobby security to accommodate visitors, optical turnstiles utilise complex sensors to detect a tailgating attempt. Most models available today offer sliding or swinging barriers. A very common assumption in the security industry is that optical turnstiles prevent unauthorised entry, which isn’t true. In fact, once the barriers are open, a second user can slip through. Or, in the case of a wide lane for disabled use, two people can walk through side by side. In either case, an alarm is generated and supervision is therefore essential in order to respond swiftly. The cost of 24/7 supervision must be factored into the security budget. Here are some other points to make note of: Moderate capital cost, but high annual operating cost due to need for 24/7 guard supervision Sensors detect tailgating and sound an alarm for post-tailgating reaction, but turnstiles can still be defeated Moderate metrics capabilities available (for example, # times tailgating occurred, passback rejection) High throughput, handling up to 30 persons per minute in one direction 5) Determine prevention tactics for staff and visitor safety The entry solution of choice for Fortune 1000 companies, security revolving doors and mantrap portals completely prevent tailgating due to their working principle, ensuring the safety and security of staff and visitors. Commonly used at employee-only entrances, security doors are an unmanned entrance solution that cannot be defeated; sensors in the ceiling prevent tailgating (following in a trailing compartment). Optional piggybacking detection systems are also available (preventing two people in the same compartment from entering). The benefits of utilising a truly unmanned door are unparalleled: guard staff can be reduced or reallocated, and this entrance offers an ROI of just 1-2 years. Here’s more information security integrators should know about security revolving doors and portals: High capital cost, low annual operating cost due to no required guard supervision Sophisticated metrics capabilities available, allowing the end user to prove the value of their security investment Security revolving doors = 20 persons per minute, simultaneously in two directions; Security portals = 6 persons per minute in one direction Biometric devices and bullet-resistant glass can be incorporated for an even higher level of security As we’ve demonstrated here, “turnstile,” in the eyes of an end user, is a complex term that can range from a low security, crowd control solution to a high security, tailgating prevention entrance. Security integrators need to first accurately determine the security goals of their customers and then break down the “turnstile” barrier of confusion to recommend the best solution for fulfilling those goals.

Why customers should buy products and services from SMBs
Why customers should buy products and services from SMBs

In 1973, a brilliant economist named E.F. Schumacher wrote a seminal book titled ‘Small Is Beautiful:’ taking an opposing stance to the emergence of globalisation and “bigger is better” industrialism. He described the advantages of smaller companies and smaller scales of production, highlighting the benefits of building our economies around the needs of communities, not corporations. In almost every industry or market that exists in the world today, you're likely to find a difference in size between companies. Whether it’s a global retail chain versus a small family-owned store, a corporate restaurant chain versus a mom-and-pop diner or a small bed and breakfast versus a large hotel chain — each side of the coin presents unique characteristics and advantages in a number of areas. Disparity in physical security industry Customers are drawn to products and services from large enterprises as the big names typically imply stability This disparity very clearly exists in the physical security industry, and differences in the sizes of product manufacturers and service providers could have important implications for the quality and type of the products and services offered. All too often, customers are drawn to products and services from large enterprises, as the big names typically imply stability, extensive product offerings and global reach. And that's not to say that these considerations are unwarranted; one could argue that larger companies have more resources for product development and likely possess the combined expertise and experience to provide a wide range of products and services. But the value that a company’s products and services can bring isn’t necessarily directly related to or dependent on its size. In an age where the common wisdom is to scale up to be more efficient and profitable, it’s interesting to pause and think about some of the possible advantages of small- and medium-sized businesses (SMBs). Typically, “small” companies are defined as those with less than 100 employees and “medium” with less than 500. Providing social mobility  Schumacher argued that smaller companies are important engines of economic growth. Indeed, according to the Organisation for Economic Cooperation and Development (OECD), a group of 36 member countries that promotes policies for economic and social well-being, SMBs account for 60 to 70 percent of jobs in most OECD countries. Importantly, SMBs provide resilience in that there are often large economic and social impacts when big companies fail. Smaller companies are better for regional economies in general, as earnings stay more local compared to big businesses, which in turn generates additional economic activity. SMBs are also better at providing social mobility for disadvantaged groups by giving them opportunities and enabling them to realise their potential. Smaller companies are often more innovative, bringing to the market novel technologies and solutions such as Cloud, analytics, AI, and IoT New companies introduce new technologies There's no denying the role of start-ups when it comes to innovation. In the security industry, many new technologies (e.g. Cloud, analytics, AI, IoT) are first brought to the market by newer companies. In general, smaller companies’ products and services often have to be as good or better than others to be competitive in the marketplace. They are therefore often more innovative, bringing to the market novel technologies and solutions. And these companies are also more willing to try out other new B2B solutions, while larger companies tend to be more risk-averse. Customer service Aside from the quality of products and services, arguably one of the most important components of a security company’s success is its ability to interact with and provide customers the support that they deserve. Smaller companies are able to excel and stand out to their customers in a number of ways: Customer service. Customers’ perceptions of a product’s quality are influenced by the quality of support, and smaller manufacturers often possess a strong, motivated customer service team that can be relatively more responsive to customers of all sizes, not just the large ones. A superior level of support generally translates into high marks on customer satisfaction, since customers’ issues with products can be resolved promptly. Flexibility. SMBs have a greater capacity to detect and satisfy small market niches. While large companies generally create products and services for large markets, smaller companies deal more directly with their customers, enabling them to meet their needs and offer customised products and services. And this translates to adaptability, as SMBs become responsive to new market trends. By having a pulse on the market, smaller companies have much more flexibility in their supply chain and can adjust much faster in response to changing demand. Decision-making. Smaller companies are much more agile in decision-making, while larger enterprises often suffer from complex, tedious and lengthy decision-making processes. Communication is easier throughout SMBs, as smaller teams enable new ideas to flow and can solve problems faster. Job satisfaction Employees working for SMBs connect more directly with the company's goals and objectives, which in turn increases motivation and job satisfaction Employees working for SMBs connect more directly with the company's goals and objectives, which in turn increases motivation and job satisfaction. SMBs are also generally more connected to local communities and participation in community activities leads to a greater sense of purpose. Additionally, SMBs have a much smaller impact on the environment, which is increasingly becoming an important consideration for today’s employees and customers. Though Schumacher's book takes a much deeper dive into the large global effects of scale on people and profitability, the general impact of a company’s size on its products and services is clear. It’s important for all players in the security industry to remember that the commitment and dedication to product quality can be found in businesses of all sizes. Ensuring safety of people, property and assets Large manufacturers may catch your eye, but small business shouldn’t be forgotten, as they can offer end users a robust set of attributes and benefits. While all security companies are aiming to achieve a common goal of providing safety for people, property and assets, smaller businesses can provide extensive value when it comes to driving the economy, innovating in the industry, providing quality employment and offering superior customer service.