At present, there are many materials for making furniture plates. Only by choosing the right one can we buy affordable, economical and durable furniture. Of course, after the completion of home decoration, it is generally necessary to ventilate for at least three months. After three months, you can find a professional company if you have the conditions. Of course, some people will choose testing instruments, which is particularly convenient. Then let's introduce the household formaldehyde detector. Is it useful? What instrument is there to measure formaldehyde?

Is the household formaldehyde detection instrument easy to use?

1. It is useful to use a formaldehyde detector. Now everyone is very concerned about the indoor formaldehyde content, so they will use various methods to remove it. It is very useful to use formaldehyde detection instrument to detect.

2. Some are relatively simple, such as electrochemistry, which only needs to consider the placement position and reading time, and then distinguish the interference, and individual instruments need to have a zero operation. There are also complicated ones, such as spectrophotometer. In addition to the above, you should know how to control the flow and pay more attention to the reading time, but this method is more accurate and is also a nationally recognized operation mode.

3. Generally speaking, the instrument for detecting formaldehyde is still useful, and its accuracy may be relatively low. It is recommended to find a professional air quality testing agency to test the air environment at home.

What instrument is there to measure formaldehyde?

1. Portable formaldehyde detector: At present, portable formaldehyde detectors (hundred yuan detectors) are divided into three types: wind speed detectors, semiconductor detectors and electrochemical detectors. The velocity, temperature and humidity of indoor air will all affect the test results. There are hard standards for the detection of formaldehyde in the country, and it should be detected by phenol reagent spectrophotometry.

2. Wind speed detector: formaldehyde value is given according to wind speed. If the air velocity is fast, the result will be low, and if the air velocity is slow, the formaldehyde value will be high, and even the chart will be drawn directly. There are not a few detectors with this principle, and the cost is low, but it can be sold online for 5060 yuan. The detection effect is not very professional.

3. Semiconductor detector: The principle is that the metal reacts with the gas in the air, resulting in the change of the resistance of the metal itself to determine the concentration of the gas in the air. According to the reaction principle, it has no selectivity to the reactants in the air. So the numerical value has no reference value.

4. Air purifier: The main internal components are a fan and several filters, as well as some auxiliary technologies. The air purifier was not originally aimed at formaldehyde, but formaldehyde pollution has exploded in recent years. In addition to formaldehyde, the air purifier is the filter screen at work, and most of them use activated carbon.