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Universal All-in-One Sensor - A54

Suitable for residential, commercial, office, consumer, and a wide range of environmental monitoring applications, this sensor integrates PM2.5 detection, CO? monitoring, temperature and humidity sensing, and TVOC detection to enable multi-parameter indoor air quality monitoring and intelligent control. With a plug-and-play design, it is easy to install, simple to operate, and can be quickly integrated into different systems and application scenarios.

  • Highly integrated multi-parameter design reduces system cost and wiring complexity
  • Supports intelligent linkage with HVAC, fresh-air, and purification systems
  • Fast response with long-term stable operation
  • Suitable for multiple applications and quick system integration
Universal All-in-One Sensor
Sensor Technology Principle
All-in-One Sensor Principle Diagram
All-in-One Sensor Principle Diagram
Technical Specifications
Temperature/Humidity + PM2.5 + CO2 + TVOC
Detection Parameters
CO2 / PM2.5 / TVOC / Temperature / Humidity
Protection Rating
IP54
CO2 Detection Range
400-5,000 ppm (expandable to 10,000 ppm)
Supply Voltage
DC 9V – 16V
CO2 Detection Accuracy
+/- (50 ppm + 5% of reading)
Communication Interface
UART / RS485 / LIN (optional)
PM2.5 Detection Range
0 – 1,000 μg/m3
Response Time
<= 30 s (typical)
PM2.5 Detection Accuracy
+/-15% or +/-15 ug/m3 (20C-60C, reference ISO 18530)
Installation Location
Room wall, plenum box, fresh-air duct, or near the return-air inlet
TVOC Detection Range
0 – 10 mg/m3
Typical Applications
Residential HVAC systems, intelligent fresh-air systems, and indoor air quality monitoring
TVOC Resolution
0.01 mg/m3
Temperature Detection Range
-40°C – +85°C
Temperature Detection Accuracy
±0.5°C
Humidity Detection Range
0 – 100 %RH
Humidity Detection Accuracy
±3 %RH
Operating Temperature
-40°C – +85°C
Storage Temperature
-40°C – +95°C
Applications
Residential/Central Air Conditioning

Residential/Central Air Conditioning

Designed for residential and central air conditioning systems, it simultaneously monitors temperature, humidity, PM2.5, CO?, and TVOC to comprehensively detect indoor air quality changes and support more precise intelligent linkage of HVAC, fresh-air, and purification systems.

Fresh Air System

Fresh Air System

Suitable for residential and commercial fresh-air systems, it monitors temperature, humidity, PM2.5, CO?, and TVOC in real time to support airflow regulation, air exchange, and indoor air quality management. The module offers fast response and high stability for long-term continuous operation.

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