Ki flowmeter

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How to detect ozone in the air? The K-EP60 atmospheric environment monitoring station is a miniature air quality online monitoring system that integrates multiple types of environmental detection sensors to achieve real-time monitoring of meteorological parameters (temperature, humidity, atmospheric pressure, wind speed, wind direction) and air eight factor (PM2.

5, PM

10, CO, NOx, SO

2, O

3, VOC, customizable gas) indices. This monitoring station is powered by solar cells and uses lithium batteries for energy storage, ensuring 24/7 data collection. The atmospheric environment monitoring station collects on-site data and transmits it to the monitoring platform through wireless 3G/4G or wired networks. Multiple monitoring stations are distributed in a certain area to form an effective monitoring network, and the data is displayed to the management through the monitoring platform, facilitating the management to make environmental decisions. Model K-EP60 detects CO, CO

2, SO

2, NO

2, O

3, PM2.

5, PM10, etc. It can also customize the monitoring gas system to monitor gas pollutants (SO2, NO2, CO, O3, VOC), particulate matter (PM2.

5, PM10), meteorological (wind speed, wind direction, temperature, humidity, atmospheric pressure) monitoring unit, wireless data communication unit, and LED large screen display. The power supply mode is municipal 220V power supply or solar power supply communication mode is 4G, RS485

5, Bluetooth, etc. Battery life without external power supply, able to work continuously for more than 24 hours. Network communication function HJ212 communication protocol, remote upgrade, remote automatic calibration, network data continuity, insulation strength ≥ 20M Ω, shell protection level IP54, size 1020 X540x120mm power supply AC220V/50Hz working environment temperature -25~55 ℃ relative humidity<85% display material full screen value selected LED outdoor P10 unit board, module size 320 * 160mm, point spacing 10mm, point diameter 10mm, module color red display box material selected iron white electrostatic spraying, thickness 12cm, front edge 3cm display screen resolution 96 × 48 (can display 4 rows and 8 columns of Chinese characters) page flipping frequency once every 5 seconds screen display installation method 1. Wall mounted installation method 2. Appearance method: The rain proof joint under the display screen dust or stove is directly led out from the inside of the display screen

2. What are the advantages of the incremental algorithm of PID control

The incremental algorithm for control has the following significant advantages: significant reduction in error accumulation. The position based PID algorithm requires continuous accumulation of deviation values (input to the controller), and long-term operation will lead to an increasing cumulative error, affecting control accuracy. The incremental algorithm only relies on the deviation values (e (k), e (k-1), e (k-2)) of the current and previous two sampling periods to calculate the increment of the control variable, without storing the total historical deviation, avoiding the generation of cumulative errors from the root, especially suitable for long-term operating systems with high accuracy requirements. The dynamic performance is significantly improved. The integral term of positional PID accumulates continuously when the system deviation persists, which can easily lead to integral saturat

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