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PMS 31 is a remote, cleanroom-grade particle counter designed for continuous, in-operation monitoring. Delivering a standardized 28.3 L/min (1 CFM) sampling flow, it improves statistical confidence in high-grade areas (ISO 5 / Grade A/B) and detects short-lived contamination events faster. The instrument is calibrated to ISO 21501-4 for traceable, comparable results and integrates easily with EMS/BMS/SCADA systems via RS485 (Modbus RTU). With long-life optics and...

LoRa technology is reshaping the way air quality data is collected and shared. In this article, TEMTOP explores how low-power, long-range communication enables scalable, sustainable, and intelligent air monitoring networks — and how these innovations are integrated into TEMTOP’s new M1002ND system.

Cleanrooms are classified based on the number and size of particles permitted per cubic meter of air. The most common classifications, outlined by ISO 14644-1, range from ISO Class 1 (the cleanest) to ISO Class 9. Maintaining these standards is crucial for preventing contamination that can lead to product failure, compromised research outcomes, or regulatory non-compliance.