What is an Air Quality Sensor?

Air quality sensors are important device that monitor the level of pollutants in the air, both indoors and outdoors. They can help track harmful substances like particulate matter (PM2.5 and PM10), ozone, volatile organic compounds (VOCs), carbon monoxide (CO), and other environmental hazards. By offering real-time data on air quality, air quality sensors allow businesses and individuals to make informed decisions about their health and air quality.....

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In recent years, vaping has become popular among young adults & teenagers as an alternative to traditional cigarette smoking due to the variety of flavors and less odors. Nevertheless, it has also raised concerns for health, safety, and property protection. In response, the market for vape smoke detectors has emerged, providing solutions for detecting vape smoke in various environments. In this article, we’ll dive into what vape smoking detectors are, how they function, their benefits, and why they are important for homes and businesses.....

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Installing a fire alarm system is vital for ensuring the safety of any building, whether it's a residential home, commercial property or industrial site. Proper wiring is important for the system to function correctly. In this article, we'll provide a comprehensive guide on how to wire a fire alarm system, ensuring you stay compliant with regulations and enhance the safety of your environment.....

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In various environments, audible warning devices are essential for ensuring safety and alerting individuals to critical situations or potential dangers. These devices and equipment come in several types, each designed to fulfill specific roles and functions. Understanding the differences between sirens, bells, alarms, horns and buzzers can help you choose the right audible warning system catering to your needs.....

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Wireless fire alarms are a modern solution for protecting buildings from the dangers of fires. These alarms work by using wireless protocols to communicate with each other, instead of physical wire connection. This technology has many benefits such as flexible deployment, easier installation and lower maintenance costs.....

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When it comes to life safety, prompt and effective communication is vital in emergencies. In the event of a fire or other safety hazard, quick notification can save lives. This is where UL horn & siren come into focus. UL stands for Underwriters Laboratories, an organization that sets safety standards for various industries. UL horn & siren are notification appliances that provides audible alerts to ensure that people are promptly informed and can take appropriate action to protect themselves. In this article, we will explore the standard, features, benefits, and applications of UL 464 horn & siren in enhancing life safety.....

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Introduction

In the digital age, homes are becoming more connected and smarter than before. With the rise of smart home technology, homeowners have access to a wide range of devices designed to enhance their lives, security and convenience. One essential part of a smart home is the smart home detector—a device that combines advanced sensing capabilities with connectivity to provide enhanced safety, real-time monitoring, and peace of mind. We will explore the features, benefits, and applications of smart home detectors in revolutionizing home safety.....

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In a world where technology continues to advance at a fast pace, innovations are constantly shaping the way we interact with everyday devices. One such innovation that has gained attention is the waterproof buzzer. Traditional buzzers are widely used in various applications, from electronic gadgets to industrial machinery, but the introduction of waterproofing capabilities takes their utility to a whole new level. In this article, we will explore the significance of waterproof buzzers, their applications, and the technology that makes them resilient in challenging environments.....

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In the realm of fire safety, the National Fire Protection Association (NFPA) plays an important role in establishing standards that ensure the effectiveness and reliability of fire alarm and signaling systems. One such critical standard is NFPA 72, known as the National Fire Alarm and Signaling Code. This comprehensive document introduces guidelines for the installation, maintenance, and performance of fire alarm systems, emphasizing the importance of safeguarding lives and property.....

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Smoke detectors play an essential role in fire safety, alerting us to potential threats and giving us valuable time to evacuate in case of a fire. To ensure the reliability and effectiveness of these life-saving devices, industry standards are continually updated and improved. One such standard is UL 268, which governs the performance of smoke detectors in the United States. In this article we will delve into UL 268 7th edition, exploring its significance, key changes, and the impact it has on fire safety.....

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Smart vape sensor are detection devices designed to detect and discourage the use of electronic cigarettes (e-cigarettes) or vaping devices for cannabis/marijuana, drugs or other chemical compounds. These detectors have gained popularity in recent years, creating issues in areas where vaping is prohibited or where it is important to maintain air quality, such as schools, healthcare facilities, public buildings, factories, offices and other workplaces. Here are some key aspects of vape detectors.....

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When it comes to home safety, few devices are as essential as smoke alarms. These life-saving devices can provide early warnings of fires, giving you and your loved ones precious moments to evacuate and escape harm. However, not all smoke alarms are created equal. With advancements in technology and various types of smoke alarms available on the market, it's important to understand the differences between them to make an informed choice for your home's protection.....

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Wireless sirens are an innovative solution for alerting people about potential threats or emergencies in a convenient and efficient manner. These devices are becoming increasingly popular for both residential and commercial use, as they offer many benefits compared to traditional wired sirens.....

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While many are still grasping onto the idea of UL 217 8^th edition smoke alarm requirement for the North America market, a newer 9^th edition safety standard has already been released for single station & multiple station smoke alarm in October 2022.....

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Security systems are awarded compliance EN50131 certificates in Europe for its reliability that are referred to as grades. The security alarm devices are tested for by a third-party laboratory compliance with all types of rules, laws and requirements. When all the criteria are passed, then it can achieve the certification. Here we will discuss the variations between grades, its testing procedure and how the approval ensures product quality.....

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Modernized industrial production, processing, transport and storage can create various explosive matters, liquid and gas in the surrounding environment. These products can pose public safety issues. Many Explosion incidents in industrial facilities in recent years highlight the lack of understanding of regulations with regards to these dangerous matters.....

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Carbon Monoxide Alarm UL 2034 4^th Edition : Why It Is Important 

The newest carbon monoxide alarm UL2034 4^th edition standard is deemed effective by May 2021. This is the latest revision since 2015 3^rd edition, as recommended by US Consumer Product Safety Commission. All CO alarms on the retail markets should incorporate these new standard changes, approved by a third-party testing lab such as UL or Intertek.....

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UL217 8^th Edition: What and Why Is It Important

UL have rolled out the newest safety requirement for all smoke alarms that will be in effect starting June 2022 for all manufacturers, distributors and retailers. This has been planned for several years because of the fire variance characteristics between the different homes. As per UL study, newer homes are often equipped with synthetic material, lighter construction and layouts that can ignite easily. These materials include Polyurethane foam (PU foam). Another rationale was cooking nuisance caused by the steam or BBQ which cause the owners to disable the alarm voluntarily. Above 2 factors contribute to the development of this new standard.....

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Seniors are at a great risk for falls due to medication and health deterioration. While falling does not pose a serious risk for most healthy adults, simple falls for elderly can cause bone fractures and other injuries, as well as affecting mental wellbeing. To prevent these misfortunes from happening, most of the residents in nursing homes in the 90s were restrained. However, thanks to innovation of monitoring alarms, that number has dropped to 1% in 2011.....

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The European standard of EN54-29 defines the requirement, performance criteria & test methods of multi-sensor fire detectors. This combination alarm requirement was first published in 2015, which aims to maintain quality detectors on the market that is capable of response to wide ranges of fire & high stability.

In general, this standard is a mix of EN54-5 and EN54-7 for heat detector & smoke detector respectively.....

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AS3786 Australia Standard for Smoke Alarm: What is Required

AS3786 edition 2014 is the mandatory standard for smoke alarm in Australia, specifying the requirements of applicable detection devices using scattered light or ionization principles.....

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ULC S531 3^rd edition is an new Canadian standard update, equivalent to UL 217 smoke alarm in US. The new edition is effective on January 1 of 2018. It has been drafted and issued in 2014 by Health Canada. Certification agencies such as UL & Intertek can specify & approve compliant products on the market.....

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For smart home product enthusiasts, there are several considerations for building a smart automation IoT solution.....

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With 2021 setting off the stage for boom in Smart applications & products due to 5G connectivity, the connected ecosystem is expected to reach upwards of 10 billion+ IoT deployment worldwide. It has been dubbed by researchers & scholars as the fourth industrial revolution.....

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In general, fire alarm system can be categorized into the following:

• Automatic or manual
• Conventional or addressable
• Wired or wireless
• Distributed/decentralized or centralized
• Open or closed protocols

The main components of a fire alarm system include.....

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Zigbee

Zigbee is a common open standard for wireless connection between devices at close range. In plain language, it helps smart devices to connect with each other at home, like WiFi & Bluetooth. However, it is more intelligent & safer. It utilizes signal repeater (also known as booster) to extend the range, similar to Z-wave protocol. It can communicate bilaterally, meaning the devices can send and receive signals. Great energy efficiency also makes a device able to last for years on a single battery.....

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LPWAN, or lower power wide area network, has the characteristics of wide coverage, low power consumption, low data transmission & low transmission speed. It is drastically different from the commonly seen Wi-Fi, Bluetooth, Zigbee, Z-wave protocols. All these are used extensively in smart home, AIoT, connected cars, Industrial IoT & other 5G applications.....

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End-of-Line Resistor (or EOL) is a resistor that completes the zone circuit in a fire alarm system. Common resistances include 1KΩ、2.2KΩ、4.7KΩ、5.6KΩ、6.8KΩ, which can vary depending on the brand.....

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To determine what type of detector is appropriate for use, we need to understand the fire that is likely to occur. Then we also need to identify how nuisance & false alarm may happen to avoid unnecessary evacuations.....

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Heat detectors are typically used in settings where smoke detectors are not applicable. For instance, in the kitchen or shower, a smoke detector may cause false alert. Rate of rise heat detectors are useful to notice potential fires in early stages.....

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Smoke detectors in the household is important for alerting occupants of fire hazards and saving lives. In order to conform and certify to EN14604 standard, smoke detectors need to pass a series of tests by third-party compliance laboratory to obtain the industry standard. Such certification is also a testament of the detector’s quality & reliability.....

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With a variety of carbon monoxide detector (also CO alarm) products on the market, the European Union has standardized how the device should function to ensure its meets the minimum life safety requirement.....

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Beam detector, also known as optical line detector, is a smoke sensor device that is often used in high ceiling buildings, warehouse or open area for fire protection. EN54-12 standard states that all products on the market in Europe should meet the requirement listed below (not exhaustive).....

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Smoke Detectors for residential protection in European Union have the mandatory requirement of meeting EN14604 standard. After third party testing approval for CE certificate, the device then can be installed for fire safety purposes. Below we list the 6 main requirements it must meet.....

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What are Waterproof LED Flash Buzzer: Why IP68 Is Important
Waterproof piezo buzzers are made of special construction to prevent the ingress of water from entering the device. Most products with IP65 are water-resistant, while IP67 or IP68 ratings are sometimes considered truly waterproof.....

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In general, there are 2 types of optical beam detectors available on the market nowadays: Reflective & Standalone.....

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Fire siren is a notification device that forms part of a larger fire alarm & security system. It can operate as audible and/or visual signals to alert the occupants nearby of impending danger.....

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The newest UL 268 7^th Edition is for smoke detector used in security system and has over 250 changes from its previous revision. This is the biggest change to smoke alarms since 1976.....

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The latest 8^th edition of UL 217 for residential smoke alarm device made many significant changes to the previous existing standard. 

One of the main requirements is to prevent false alarm resulting from cooking nuisance. Often this non-fire event will cause the user to turn off the alarm and thus disabled its true intended function.....

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Once in a while, we’ll often hear about tragic incidents of people suffering from carbon monoxide poisoning, especially during winter times. This is also much more common In big metropolitan cities where high-rises and apartments are a norm. This is because high concentration of these toxic gases could often accumulate and reach dangerous levels in enclosed space.....

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With the explosion of Internet of Things (IoT), many wireless standards are becoming available with many different applications. Here we list and compare some of the main legacy and new protocols that are shaping our technology landscape today.....

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Siren is an important part of the alarm system to warn and notify others of dangers, whether it is fire, intrusion or other accidents. Below we list some of the factors that can affect the siren sound’s loudness.....

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In fire alarm system, manual call point (MCP or pull station) is an important device that sends input to the system and notify impending danger. When implementing manual call point, it is important to consider below.....

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While smoke alarm has been around for many years, it is only in recent years has technology advancement made wireless integration possible.....

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LED Incapacitator, or light emitting diode Incapacitator, is a device that emits intermittent colors of various wavelengths that temporarily stuns the target visually and psychologically, causing sensory overload and mental fatigue.....

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Carbon Monoxide alarm detector, or CO Alarm, is an essential detection device for all households. It is enforced by many law agencies around the world as a mandatory device.....

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Manual call point is a small square plastic enclosure that you see in every building, but paid very little attention to it. Manual call point (or referred to as MCP, call point or fire point) is an activation device that triggers the fire alarm by sending out signal to sirens for alert.....

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While technologies continue to improve and new solutions come out every year to safeguard our family and assets, significant amount of burglary still occurs. According to FBI uniform crime reporting statistics, although there has been decline in theft and burglary in the recent years, there are still millions of homes being broken into, resulting in aggregated losses valued at over $3 billion.....

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Residential burglar alarm systems are often smaller in coverage and number of devices than commercial ones. The main objective of an effective burglar alarm system is to detect environmental or physical changes, determine whether the event poses immediate threat and respond accordingly by sending out signals to designated parties.....

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Fire is a serious matter and it is very important that false alarms are reduced. On average, about 36% of the fire reports are false alarms. This false alarm ultimately depletes government resources, and it is the taxpayers who ultimately pay the bill.....

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Fire alarms are considered and proven from time to time as one of the most important device you can have for a building. Not only are they required by law for commercial buildings, they are also very beneficial for private residences.....

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Fire protection differs in approaches, depending on the type of fire. Thus, it is essential to first classify the fire by determining the scenario. In general, fire could be classified into the following.....

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With many smoke detector alarms available on the market, the most traditional type is the hard-wire smoke alarms. They are the most basic type and runs on your home’s main power supply (110V or 220V).....

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While 3 types of smoke detectors are most commonly use, there are more varieties available in the market, each suited for different purposes.

The 6 smoke detector types can be broken down by its functions: optical, ionization, aspiration, beam, video and combination. Below we explain the main differences between each of them.....

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A smoke detector (or smoke alarm) is an electronic device for sensing smoke from fire in commercial or residential settings. When presence of smoke is detected, the smoke detector sends signal via wire or radio signal to main control panel (in commercial building) and generates audible alert itself to warn surrounding occupants of impending danger.

Smoke alarms come in a variety of sizes and shapes but are generally categorized into 3 types: photoelectric, ionization, combination.....

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Fire Alarm system is a system of devices connected by wire or wirelessly to detect and indicate individuals of fire hazards in the area. Here we will discuss the two main types of alarm system available on the market.....

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Sound pressure level (SPL) is a regularly used for measuring the sound intensity of an electrical signal. Audible sound is pressure in air that can be detected by human ear, in the range of 20Hz to 20kHz. However, human hearing is most attuned to sound frequency between 1kHz to 4kHz.....

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What and Why is IP Rating Important for Security and Fire Alarm Devices

IP rating, also known as International Protection Marking or Ingress Protection Marking, is an internationally recognized standard to define protection from foreign objects. For fire alarm and security devices, each part varies in their requirement according to its placement. Outdoor objects such as sirens, PIR detector often need to be water-resistant, while indoor smoke detectors are more lax.....

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