Overview
The LD734 is a wall-mounted air quality sensor that detects CO2, laser dust, temperature and humidity, TVOC, and formaldehyde. It provides comprehensive real-time environmental monitoring and customizable data output through a specific protocol format. With its user-friendly design and excellent stability, the LD734 ensures accurate and reliable air quality assessment.
Features
- Integrated various kinds of Air Quality Sensor
- Able to detect multiple pollutants including CO2, dust, TVOC, formaldehyde, temperature, humidity
- Outlet cable for various types of communication mode
- Real-time detection, communication
- High reliability and good stability
- High accuracy & fast response
- Excellent anti-interference
- Wall-mount, easy to use
Applications
- Industry area air quality monitor
- Office building and commercial building
- Factory, workshop, and laboratory air quality monitor
- HAVC industry
- Household Air quality monitor
- IoT and intelligent home system
Technical Parameters
Working voltage | DC5V / DC12-24V (ripple must not exceed 200mV) | ||
Working temperature | 0~50℃ | ||
Working humidity | 15%RH-90%RH (no condensation) | ||
Output mode | ModBus-RTU 485 / TTL serial port output | ||
Preheating time | ≤10 minutes | ||
Service life | 5 years (in the air) | ||
application area | Portable instrument, vehicle system, air quality monitoring equipment, air purifier, new air ventilation system, air conditioning, smart home, Smart Hotel equipment and other places. | ||
Technical indicators:
Resolution | Measuring range | Accuracy | |
TVOC | 1 ug/m³ | 0-1200 ug/m³ | ±90 ug/m3 |
PM2.5 | 0.3 ug/m³ | 0-1000 ug/m³ | ±10 % |
PM10 | 0.3 ug/m³ | 0-1000 ug/m³ | ±10 % |
Temperature | 0.01 ℃ | -20~80 ℃ | ±0.5 ℃ |
Humidity | 0.04 %RH | 5-100 %RH | ±3 %RH |
e CO2 | 1 ppm | 400-5000 ppm | ±100 ppm |
e CH2O | 1 ug/m³ | 0-500 ug/m³ | ±40 ug/m3 |








