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The ozone detector monitors the 'hidden killer' ozone under the blue sky

by:Rika Sensors     2021-10-06
The ozone detector monitors the 'hidden killer' ozone under the blue sky
This year is the closing year of the 'Three-Year Action Plan for the Defense of the Blue Sky'

When China’s PM2.5 governance has been working hard for many years

and it has begun to make significant improvements

A new problem in the environmental protection industry

'Heaven is a Buddha, and the earth is a demon'

When it comes to ozone, many experts like to use this analogy. Many people tend to confuse the 'ozone layer' with 'ozone'; in fact, there is a difference between the two.

In the stratosphere 20-30 kilometers away from the surface, there is natural low-mass concentration ozone, which can protect the life on the earth from harmful ultraviolet rays, and is known as the 'protective umbrella of life on earth'; and the atmosphere Most of the ozone that appears in the troposphere is man-made pollutants, usually called harmful ozone, or ozone pollution. It is a secondary pollutant in the air, formed by photochemical reactions in the air through volatile organic compounds such as nitrogen oxides. These ozone are 'invisible killers' that endanger human health. When the local surface radiation increases and the temperature rises, photochemical reactions are prone to occur, leading to an increase in the ozone concentration near the surface. When the PM2.5 concentration is high, the ozone concentration is often not low.

What is ozone?

Ozone is a trace gas in the atmosphere. Under normal temperature and pressure, the lower concentration of ozone is colorless; when the volume concentration reaches 15%, it appears light blue with a pungent odor; when the concentration is higher, the odor of ozone is very similar to that of chlorine. Its sources are natural and man-made; it has strong oxidizing properties. Although ozone is one word short of oxygen that sustains human life, and both are composed of the same single element, the two are the same as graphite and diamond: one is in the sky and the other is underground.

The emergence of China’s ozone pollution problem is a slow and gradual process of accumulation. Since the national monitoring of ozone concentration began, China's ozone pollution has been steadily and continuously rising. In fact, among the six monitored air pollutants, ozone is the only pollutant that does not fall but rises, and the number of cities that meet the concentration standards is slowly declining.

On June 2 this year, the Ministry of Ecology and Environment issued the 'Communiqué on the State of China's Ecological Environment in 2019.' According to the 'Communiqué

So is ozone poisonous? What are the hazards of absorbing ozone for a long time?

Liu Bo, a postdoctoral fellow from the Department of Materials Physics, Xi’an Jiaotong University, confirmed in the CCTV program 'Into Science' that the statement that ozone is toxic is actually not very accurate, because people have to be exposed to the extreme concentration of ozone for ten hours. , Is harmful to the human body.

When the human senses smell the smell of ozone, the concentration of ozone is 0.02ppm, which is a unit of one part per million, and the concentration of ozone smelled is far from the concentration of ozone that harms our human body. 7.5 times.

Ozone often accumulates in the lower space of the office. Ozone strongly stimulates the human respiratory tract, causing sore throat, chest tightness, coughing, bronchitis, and emphysema; ozone can cause nerve poisoning, dizziness, headache, vision loss, and memory loss; ozone can affect vitamin E in human skin In the destructive effect, human skin wrinkles and dark spots appear; ozone also destroys the human body’s immune function, induces lymphocyte chromosome lesions, accelerates aging, and causes deformities in pregnant women. The organic waste gas generated by toner fever is even more important. A strong carcinogen, it can cause various cancers and cardiovascular diseases.

Therefore, the monitoring and remediation of ozone is urgent!

RS-MG41-O3 ozone gas detector is an intrinsically safe gas detector developed by our company for the environment containing ozone gas. The detector adopts natural diffusion method to detect gas and adopts electrochemical gas sensor. Excellent sensitivity and excellent repeatability.

The product can store up to 100,000 test data, and the historical data can be checked at any time with the software. High-definition color screen design, easy to view the gas status, can set high and low alarm values. Shortcut keys to quickly turn on and off the sound alarm and storage mode. Hand-held design, large-capacity battery is easy to use, and the device can last for at least 8 hours in constant light mode.

When the detected gas is higher than the specified concentration, there will be three alarm modes: sound, light, and vibration. This product strictly complies with the following national standards from design, manufacture and verification:

GB3836.1- -2010 'Explosive Environment Part 1: Equipment General Requirements'

GB3836.4--2010 'Explosive Environment Part 4 Part: Equipment Protected by Intrinsically Safe 'i''

JJG1077-2012 'Ozone Gas Analyzer Verification Regulations'

The product is easy to use and maintain, and meets the requirements for high reliability of equipment in industrial site safety monitoring , The shell is made of high-strength engineering plastics and composite non-slip rubber, which has high strength, good hand feeling, and is waterproof, dustproof and explosion-proof.

This detector is widely used in petroleum, chemical, environmental protection, metallurgy, refining, gas transmission and distribution, biochemical medicine, agriculture and other industries.



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