Vasthi laser scattering monitor for PM 10, PM 2.5, and PM 1
The Vasthi Instruments online dust monitoring system (model: Vair-3000 series) can measure PM concentration (including TSP, PM10, PM2.5, and PM1), ambient noise, and five meteorological parameters. The Vair 3000 series processes the monitored data and uploads the results to the server over GPRS or a network. In this way, intelligent management of online monitoring, analysis, and forecasting is provided in multiple modes.
FEATURES :
- Automatic compensation of zero drift
- Automatically saves the currently measured data if a sudden power cut happens and returns to the previous working state as soon as power restores
- Equipped with an internal heating device for automatic air dehumidification
- SD card saves test data automatically, which can be exported via a card reader
- Adopt Laser Forward Scattering Principle, a lower detection limit can reach 1μg/m3.
- Long Service life, continuous and automatic operation, simple and convenient installation & maintenance.
- 4.3-inch HD industrial touch screen, convenient for operation
- Wireless transmission and data are stored in to cloud for clients to view.
| Working Principle | Laser Scattering Measurement |
| Measuring Object | Particulate Matter ( PM 10 or PM 2.5 or TSP) |
| Optical Characteristics | Working Wavelength: (65020) nm |
| Power | AC230V, 50Hz |
| Working environment | Working temperature: -20C+55C |
| Communication | RS485, RS232, GPRS |
| Performance | Measuring Range: 0-5mg/m3 to 30mg/m3 |
The Vair-3000 is an online dust monitoring system that measures PM10, PM2.5, PM1, and TSP using laser scattering technology for real-time air quality monitoring.
It measures particulate matter concentrations (PM10, PM2.5, PM1) and can optionally include ambient noise and meteorological data (like temperature/humidity) depending on configuration.
The unit uses laser forward scattering which provides high-sensitivity detection with low detection limits (down to ~1 µg/m³).
Vair-3000 supports GPRS, RS-485, RS-232 network connectivity, and stores data on an SD card — plus automatic upload to a server or cloud system for remote monitoring.
Yes — it’s designed for continuous 24/7 monitoring with automatic zero drift compensation, power failure data protection, and robust long-term operation.
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