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| Brand Name : | KACISE | 
| Model Number : | KGD-AM-121 | 
| Certification : | CE | 
| Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability : | 1000 Piece/Pieces per Week negotiable | 
| Delivery Time : | 5-8 work days | 
Fresh Air Controller KGD - AM - 121
Product Introduction
The KGD - AM - 121 fresh air controller is equipped with a high-precision sensor module independently developed, which can monitor and display in real time the measured values of five air quality indicators, namely indoor PM2.5, CO₂, formaldehyde, temperature, and humidity. It cooperates with the fresh air control board to directly control the fresh air system, such as functions like adjusting the air volume, controlling the air supply/extraction, and setting the mode. It can be widely applied in residential, commercial, and industrial settings, and effectively improve the air quality, creating a healthy, comfortable, efficient, environmentally friendly, and energy-saving living and working environment.

Product Features
Technical Parameters
| Detection Range | PM2.5: 0 - 1000μg/m³ CO₂: 400 - 5000 ppm Formaldehyde: 0 - 1mg/m³ (Maximum detectable value is 1mg/m³) Temperature: -10°C - 50°C Humidity: 0 - 95%RH | 
| Data Refresh Frequency | 1s | 
| Operating Temperature | -10°C - 50°C | 
| Storage Temperature | -20°C - 60°C | 
| Operating Voltage | DC 12V (24V AC/DC optional) | 
| Operating Current | < 140mA | 
| Communication Mode | RS485 (4 - 20mA/0 - 10V/0 - 5V optional) | 
| Product Dimensions | W86H86D24.9 (mm) | 
                                 
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| Company Info. | 
| Xi'an Kacise Optronics Co.,Ltd. | 
| Verified Supplier | 
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