Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Communication Protocol | RS485 (Modbus RTU) |
| Power Supply | DC 12V - 24V |
| CO2 Measurement Range | 400 - 5000 ppm |
| PM2.5 Measurement Range | 0 - 999 μg/m³ |
| Formaldehyde Range | 0.00 - 5.00 mg/m³ |
| TVOC Detection Range | 0.000 - 9.999 mg/m³ |
| Operating Temperature | -10°C to 50°C |
| Operating Humidity | 0% to 95% RH (Non-condensing) |
| Response Time | ≤ 30 Seconds |
| Product Dimensions | 105mm x 75mm x 45mm |
Anonymous
Apr 15, 2026
Rating: 3/5
Good hardware, poor docs
Sensor works fine and seems accurate but the register map was hard to find initially. Support helped eventually.
Anonymous
Mar 24, 2026
Rating: 4/5
Accurate but complex
Readings match professional tools we used for verification. Setup requires some technical knowledge of Modbus registers.
Anonymous
Mar 10, 2026
Rating: 5/5
Reliable Air Quality Monitor
Using it in a school classroom to monitor ventilation. Parents love the transparency on CO2 levels.
Anonymous
Mar 03, 2026
Rating: 5/5
Ideal for BMS Integration
Connected easily to our building management system. Data is stable and the Modbus protocol implementation is standard.
Anonymous
Feb 06, 2026
Rating: 5/5
Great Industrial Sensor
Robust build quality. Handles voltage fluctuations well in our factory environment without dropping offline.
Q: Is it waterproof for outdoor use?
A: No, it is designed for indoor use. Please use a protective enclosure if installing outdoors.
Q: What wiring terminals are used?
A: Standard screw terminals are provided for Power and RS485 A/B lines.
Q: Can I power this with 5V?
A: No, please use DC 12V to 24V power supply for stable operation.
Q: How many devices on one bus?
A: Up to 32 devices can be connected on a single RS485 bus depending on cable quality.
Q: Does it require manual calibration?
A: CO2 has automatic baseline calibration. Other sensors are factory set and generally do not require user calibration.
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