SISCO IoT air quality sensor is stable and reliable, responsive, anti-interference capability; the output signal is RS485, supports dual-frequency data acquisition and auto-calibration, is adaptable, compatible with a variety of IoT platforms, is suitable for continuous monitoring tasks, with easy installation and reliable data output.

High-Precision PM2.5/PM10 Measurement

RS485 Communication & Industrial Protection
SISCO IoT air quality sensor is suitable for outdoor weather stations, dust monitoring, libraries, archives, and industrial plants, providing reliable PM2.5 and PM10 concentration monitoring for continuous environmental data collection.
| Model | SISCO-AQS-2005 |
| Measurement Parameters | PM2.5, PM10 |
| Measurement Range | 0~1000 μg/m3 |
| Resolution | 1 μg/m3 |
| Accuracy | ±10% (@100~500 μg/m3); ±10 μg/m3 (@0~100 μg/m3) |
| Measurement Principle | Laser Scattering |
| Communication Interface | RS485 |
| Communication Protocol | Modbus-RTU |
| Power Supply | 10~30VDC |
| Response Time | ≤30s |
| Warm-up Time | ≤60s |
| Operating Temperature | -10°C ~ +60°C |
| Operating Humidity | 0%RH ~ 99%RH (No condensation) |
| Installation | Wall-mounted |
| Protection | Waterproof sealing, anti-condensation |
| Weight | 300 g |


Q1: What parameters can the IoT air quality sensor measure, and how accurate is it?
A1: Measuring both PM2.5 and PM10, the IoT air quality sensor offers a wide range of 0~1000 μg/m3 with a resolution of 1 μg/m3. Using laser scattering technology, it achieves high accuracy of ±10% (@100~500 μg/m3) and maintains long-term stability with dual-frequency data acquisition and auto-calibration.
Q2: How does the IoT air quality sensor integrate with existing control systems?
A2: Featuring a standard RS485 interface with Modbus-RTU protocol, the IoT air quality sensor easily connects with PLCs, industrial control systems, and various IoT platforms. Users can also configure parameters such as baud rate, parity, and slave address via the RS485 interface using the provided configuration software.
Q3: What are the operating conditions and installation requirements for the IoT air quality sensor?
A3: Designed for industrial-grade protection, the IoT air quality sensor comes with a wall-mounted housing and waterproof sealing, effectively resisting moisture and condensation. It operates on 10~30VDC power supply, functions within -10°C to +60°C, and has a fast response time of < 30 s with a warm-up time of < 60 s.
Tips: How to read PM2.5 and PM10 data from the IoT air quality sensor via RS485?
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.