Environmental quality monitoring equipment

On-line air negative oxygen ion monitoring system

First, product introduction:

On-line air negative oxygen ion monitoring system, using the latest electrochemical sensor technology, NDIR infrared technology and laser sensor technology, can monitor the environmental air pollutants O3, CO2, PM2.5, PM10, temperature and humidity, negative ion parameters. The monitoring system is mainly composed of particulate matter measurement module, environmental gas monitoring module, greenhouse gas monitoring module, negative ion monitoring module, meteorological monitoring module, video monitoring module, data acquisition and wireless transmission unit. Combined with monitoring platform software, it can achieve air quality release, data comprehensive analysis, pollution alarm, urban environment photography, video monitoring and other functions.

Second, product features:

1, modular design, configuration of any combination, easy to set different monitoring factors on demand, suitable for large-scale grid distribution;

2, the selection of four-electrode high-precision imported sensor;

3, no need to replace the sampling cutter, can simultaneously measure PM10, PM2.5 mass concentration;

4, the circuit adopts industrial embedded processor, can be suitable for harsh outdoor environment, working environment temperature range (-40~70) ℃;

5, high-precision ADC data acquisition system, able to monitor μ g/m3 level pollutants;

6. Dynamic heating and dehumidification control is adopted for particulate matter sampling to remove the influence of water mist on measurement data;

7, the use of long life anti-interference sampling power system, quiet, efficient; The sampling period is adjustable;

8, the selection of industrial data transmission module, data transmission is stable and reliable; The system adopts dual channel communication mode to ensure data continuity.

9, not only can realize remote data transmission, but also can remotely read the system status information, and can realize remote control, remote modification of instrument parameters, fault diagnosis;

10, optional meteorological parameter test system;

11, on-site real-time data display: the terminal instrument data update time is adjustable;

12, various installation methods, can be selected according to the site situation: bracket installation, hanging rod installation and other ways, any installation method is solid and reliable, can resist the instant 12 wind.

13, can be customized according to customer needs specified configuration, toxic and harmful gas monitoring, external LED display, built-in display, wireless solar power supply, wind speed measurement, rainfall measurement, atmospheric pressure measurement and so on.

Third, equipment parameters:

Particle monitoring module:

Working principle Light scattering principle, continuous real-time online monitoring

Measuring range 0-1000μ g/m3, the range can be extended

Measurement accuracy/reproducibility of readings ± 10%

Accuracy of reading 15%

Parallelism <10%

Resolution 1&mu; g/m3

Calibration mode Manual calibration

Probe mounting height &ge; 3m

Working environment (-20~50) ℃, (10~95) %RH, no condensation

Indication error &plusmn; 10%F.S

PM10 range 0~1000&mu; g/m3

PM2.5 range 0~1000&mu; g/m3

Weather module:

Temperature Parameter Indicates the relative humidity parameter

Measuring range -40~60℃ Measuring range 0~100% RH

Precision &plusmn; 0.5℃ accuracy &plusmn; 3% RH (0~90% RH)

Output resolution 0.1℃ Output resolution 1%RH

Negative ion module:

Negative ion measurement range 0~5 million /CM&sup3;

Measurement resolution 10

Indication error &plusmn; 10%