Thermo Scientific area dust monitor

December 2010 Analytical Instrumentation & Environmental Monitoring

The Thermo Scientific area dust monitor, Model ADR-1500, utilises the highly sensitive light-scattering photometer technology used in the Thermo Scientific pDR series. The intensity of the light scattered by airborne particles passing through the sensing chamber is linearly proportional to their concentration. This optical configuration produces optimal response to particles providing continuous measurements of the concentrations of airborne particles for total particulate and cut-points ranging from PM10 down to PM1.

The ADR-1500 incorporates a temperature and relative humidity (RH) sensor coupled with an internal heater to mitigate the positive bias with elevated ambient RH. Additionally, the flow control is truly volumetric and is maintained through digital feedback of the onboard barometric pressure sensor, temperature sensor, and calibrated differential pressure across a precision orifice. The principles of true volumetric flow, as incorporated by the ADR-1500, result in an unbiased continuous measurement reading of the concentration.

The measured concentration of particulate matter is displayed in real-time on the two line LCD display. Additional values can be displayed, such as run start time and date, time averaged concentrations, elapsed run time and others.

The flexible power capabilities allow the unit to operate from 100-240 VAC, 12-24 VDC or an internal battery. Communications options are available for USB, RS-232, analogue and wireless capability.

The ADR-1500 is housed in a weather-proof IP65 enclosure producing a compact and durable instrument that is ready for rapid deployment and unattended operation. A top mounted handle allows for ease of transport and installation with mounting options available for wall, post, or tripod locations.

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