Industrial & Commercial Multi-in-One Air Quality Sensor - A50

MAXMAC A50 is an industrial and commercial multi-parameter air quality sensor designed for smart buildings, fresh air systems, campus environments and industrial environmental monitoring. It integrates PM2.5 particulate detection, CO₂ monitoring, TVOC sensing, temperature and humidity measurement to provide real-time air quality data for ventilation control, air purification and energy management systems.

With multi-sensor integration, stable signal output and strong environmental adaptability, A50 supports long-term operation in outdoor and complex environments. It helps system integrators and equipment manufacturers reduce wiring complexity, simplify installation and improve environmental monitoring efficiency.

  • Integrated PM2.5 + CO₂ + TVOC + temperature & humidity monitoring
  • CO₂ measuring range: 400–5,000 ppm, expandable to 10,000 ppm
  • PM2.5 measuring range: 0–1,000 μg/m³, suitable for particulate monitoring
  • Supports UART / RS485 / LIN communication for flexible system integration
  • IP54-rated housing with -40°C to 85°C operating temperature for outdoor use
Industrial & Commercial Multi-in-One Air Quality Sensor - A50
Sensor Technology Principle
All-in-One Sensor Principle Diagram
All-in-One Sensor Principle Diagram
Technical Specifications
Industrial & Commercial Multi-in-One Air Quality Sensor - A50
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

Suitable for residential and central air conditioning systems, integrating PM2.5, CO₂, TVOC, and temperature/humidity monitoring 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, with real-time monitoring of PM2.5, CO₂, TVOC, and temperature/humidity changes to support airflow adjustment, air exchange, and energy optimization. The module offers fast response and high stability for long-term continuous operation.

Industrial Environmental Monitoring

Industrial Environmental Monitoring

Suitable for factories, warehouses, equipment rooms, and other industrial applications, with synchronized monitoring of PM2.5, CO₂, TVOC, and temperature/humidity changes to provide data support for ventilation control, air quality management, and environmental safety monitoring.

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