There are two main types of gas monitoring in air pollution control. The traditional industrial chain records gas data through sensors, collects the data through manual scanning and completes the monitoring.

The gas monitoring industry chain based on the Internet of Things monitors through sensors, uses Bluetooth NB-loT, Zigbee, GPRS and other means to transmit information, and finally collects, records and analyzes data through big data and cloud computing software platforms. Regardless the type of the industrial chain, gas sensors are necessary. Sensor technology enables people to easily collect accurate data in various situations, and quickly make decisions and take counter measures. Among them, PM2.5, PM10, SO2, NO2, CO, O3 and other gas environment monitoring sensors are widely used in atmospheric environment monitoring.

ZE12A Electrochemical Detection Module

Detectable gas: carbon monoxide CO, sulfur dioxide SO2, nitrogen dioxide NO2, ozone O3

The ZE12A electrochemical module is mainly aimed at atmospheric monitoring applications. It is integrated with electrochemical principle sensors to monitor CO, SO2, NO2, O3 and other gases in the air, and has good selectivity and stability. Built-in temperature sensor for temperature compensation to improve accuracy. The module has digital output and analog voltage output at the same time, easy to use and integrate.

Application: Applied to urban atmospheric environment monitoring, enterprise ambient air monitoring, factory area pollutant emission gas monitoring, emergency environmental evaluation monitoring, portable instruments, air quality monitoring equipment, smart home equipment, etc.

4R-PID Photoionization PID Sensor

Detectable gas: volatile organic compounds (VOCs), Energy≤10.6eV Volatile Gases

4R-PID is a high-performance photoionization PID sensor. It has the characteristics of high sensitivity, wide detection range and wide spectrum. It can detect thousands of volatile organic compounds (VOCs) and some inorganic vapors in different application fields. The detection range starts from 1ppb and is up to 10000 ppm, with extremely fast response speed and high resolution. It can be used in kinds of portable and fixed instruments and various of analytical instruments.

Sensor application: Emergency response, industrial hygiene, personnel safety, VOCs detection, environmental quality monitoring, petroleum, petrochemical safety, soil pollution and treatment.

ZEHS04 Atmospheric Monitoring Sensor Module

Target gas: CO, SO2, NO2, O3 (PM2.5, PM10, temperature and humidity expansion compatible)

ZEHS04 is a diffusion type multi-in-one module, mounted with atmospheric monitoring module ZE12, to detect CO, SO2, NO2, and O3. It is also compatible to connect with dust sensor module, temperature and humidity sensor module. With TTL or RS485 output, it is convenient to use and debug, which greatly shortens the user’s design and development cycle, and meets customers’ needs for different gas detection occasions.

Sensor Application: Urban atmospheric environmental monitoring, pollution emissions monitoring at factory sites, portable instruments, air quality monitoring equipment, and smart home equipment, etc.

ZE11 Electrochemical Detection Module

Target gas: benzene,dimethyl benzene,ethylene oxide,chloro ethylene and vinyl benzene etc.

ZE11 is a general-purpose and high-performance electrochemical module. It can detect the benzene, dimethyl benzene, ethylene oxide, chloro ethylene based on electrochemical principle, it has good selectivity and stability. A temperature sensor is built-in for temperature compensation. It has the digital output and analog voltage output at the same time which facilities the usage and calibration and shorten the development period. It is a combination of mature electrochemical detection principle and sophisticated circuit design, to meet customers’ different detection needs.

Sensor Application: Petroleum and chemical industry, environment protection filed, detection of benzene, dimethyl benzene, ethylene, chloro ethylene and vinyl benzenes

ME4-03-E4 PPB level Ozone Sensor

Target Gas: O3 Ozone

ME4-O3-E4 Ozone gas sensor is constant potential electrolysis type. Oxidation-reduction reaction with ozone gas and oxygen take place respectively on the working electrode and on the counter electrode. The process releases electric charge and generates current. The current is in direct proportion to the concentration of chlorine gas and conform to faraday's law. So the concentration of the target gas could be got by measuring the value of current. The 4th electrode (auxiliary electrode) is used to compensate the zero current, to make it has the characteristics of strong signal level and low zero current.

Sensor Application: Urban atmospheric monitoring, enterprise environmental monitoring, emission gas monitoring, emergency environmental monitoring, and environmental evaluate monitoring.

With the development of modern science and technology, the demand for multi-parameter network online monitoring and multi-functional automatic detection provide increased room for sensors development in environmental detection. The atmospheric environment monitoring network system formed by high-performance sensors can provide accurate air pollution monitoring, control, and strong support to realize more value for the human health and earth safety.

By WangJiaojiao


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