- Model CDM1 (CDM2) - Construction Dust Monitor

The ET CDM is a small, stand-alone, weatherproof, web-enabled, real-time, particulate monitor available as either single channel (CDM1) or dual channel (CDM2). The CDM can be fitted with precise sharp-cut cyclone inlet heads for either PM10 or PM2.5 and a TSP inlet head is also available. The CDM incorporates a powerful 6-channel data logger and 3G/GPRS modem which can be set to automatically “push” data (as user-defined averages) to the Internet where it can be accessed at any time or any place using a PC or web-enabled device (i.e. tablet or smartphone). Automatic SMS/text alerts can also be configured to notify operators when user-specified concentration values are exceeded.


Based on time-proven laser scattering technology (nephelometery) and designed for outdoor use, the CDM is perfectly suited for applications such as construction, quarrying, aggregates and bulk-handling.

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