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, CO₂ 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
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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, CO₂, 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, CO₂, 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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