Aerosol Instrumentation >> AethLabs

microAeth® / AL30

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    AL30 is a real-time, pocket-sized Black Carbon aerosol monitor. This palm-size instrument is small enough to be worn on-person and provides aerosol Black Carbon concentration in real-time. The microAeth incorporates the same Aethalometer® measurement technology which has been used worldwide for over 30 years. The AL30 is a self-contained instrument with built-in pump, flow control, data storage, and battery designed for on-person exposure monitoring. With built-in WiFi technology, all data stored locally on the device can be downloaded directly over the device’s built-in WiFi interface or transmitted to AethLabs’ cloud data management system in real-time and bulk data transfer when a network is available. The instrument can operate continuously for up to 24 hours on a single battery charge. The air sample is collected on Polytetrafluoroethylene (PTFE) filter media. The filter media is housed in an easy to replace filter strip for simple handling in the field. The microAeth AL30 can be used to take measurements of cookstoves, tobacco smoke exposure as well as on planes, trains, bicycles, UAVs, and weather balloons.

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      Detailed Specs

      Real-time Aethalometer® method by measuring the rate of change in absorption of transmitted light due to continuous collection of aerosol deposit on filter. Measurement at 880 nm interpreted as concentration of Black Carbon (‘BC’).

      Measurement Wavelength: 880 nm

      Timebases: (User setting)1, 60, or 300 seconds

      Flow Rates (User setting): Internal pump provides 50, 75, 100, 125, 150, 175, 200, 225, or 250 ml/min

      Measurement Range: 0-1 mg BC/m3, filter life time dependent on concentration and flow rate setting:
      avg. 5 μg BC/m3 for 24 hours @ 100 ml/min
      avg. 100 μg BC/m3 for 3 hours @ 50 ml/min
      avg. 1 mg BC/m3 for 15 minutes @ 50 ml/min

      Measurement Resolution: 0.001 μg BC/m3
      Limit of Detection: 0.010 µg BC/m3, 5 minute timebase, 250 ml/min flow rate <0.003 µg BC/m3, 1 hour average from 5 min timebase, 250 ml/min flow rate

      Environmental Sensors: Temperature, Relative Humidity, Altimeter/Barometer, Accelerometer

      Dimensions and Weight:
      Length: 3.878 inches
      Width: 2.401 inches
      Depth: 0.964 inch

      Weight: 162 grams