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Which brand of air detector is better? How to choose indoor air quality detector?

Update: 2019-12-05 17:21 Source: LUFTMY Reading: ↻ News
 

No matter in the office or other public places, indoor air pollutants have become the "invisible killer" of human health. Most people have no idea about it. Is the indoor air quality good or not? How about the air quality? Force people to choose. Choosing a third-party inspection institution for on-site inspection is not only troublesome and expensive, but also requires many procedures to produce results, so most people will choose to buy an indoor air quality inspection instrument for inspection. But all kinds of indoor air quality testing instruments on the market are dazzling. Is the data actually reliable? How to choose the indoor air quality detector? Now let's make up the intelligent technology for you to answer this question.

Taking formaldehyde detector as an example, AQSIQ found in the product quality inspection that most of the outer packages and instructions of 30 batches of online formaldehyde detector clearly marked the formaldehyde detection range of the product, and some claimed to detect benzene, PM2.5, volatile organic compounds, etc. There are 13 batches of products that claim the specific accuracy that the products can achieve, but 29 of the 30 formaldehyde detector samples do not clearly identify the standards implemented by the enterprise, so it is impossible to determine where these data come from.

Due to the lack of unified technical standards, many domestic formaldehyde detectors are simply electronic components, not only using poor performance sensor components, but also put on the market without system calibration and testing. Generally, the accuracy is poor, unable to undertake the task of indoor air quality monitoring, and will give wrong guidance.The home formaldehyde detector sensor is stuck in the cost, the accuracy can not be guaranteed. Portable detector uses gas pollution sensor to detect, but there is still a bottleneck in current sensor technology. In contrast, the sensor is simple in structure, small in volume and relatively low in price, so the accuracy is naturally sacrificed.

Therefore, in order to purchase indoor air quality detector, it is necessary to identify professional environmental monitoring enterprises and products.

Laser particle sensor LD16 for air quality testing instrument


LD16 Laser PM2.5 dust sensor

Laser particle sensor LD16 is a high precision particle concentration sensor based on laser Mie scattering theory. It can continuously collect and calculate the number of suspended particles with different particle sizes in the air per unit volume, that is, particle concentration distribution, and then convert it into mass concentration, and output it in the form of general digital interface.The air quality detection sensor ld16 has the characteristics of small volume, high precision, strong anti-interference ability, low power consumption, long service life, short response time of zero error alarm rate, etc. the air quality detection sensor can be embedded in a variety of instruments and meters related to the concentration of suspended particles in the air, such as air detector or environmental improvement equipment, to provide timely and accurate concentration data.

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