Multi Angle Absorption Photometer, Model 5012

  Multi Angle Absorption Photometer, Model 5012



The Thermo Scientific Model 5012 MAAP measures the aerosol-related absorption of light and the corresponding atmospheric black carbon mass concentration. Continuous data is provided by a multiple detector setup to simultaneously measure the transmitted and the scattered light from a particle-loaded filter. 

   Product Detail


This black carbon monitoring instrument has been especially designed to carry out continuous emission measurements of black carbon. The portion of elemental carbon to be found in ambient air is determined by applying a method which is based on a combination of the reflectometer method at certain scattering angles and the transmission. The Model 5012 serves to continuously measure and monitor the particulate pollutant species black carbon expressed as mass concentration (ng/m³) in a continuous operating environment.

Key Features:

  • Measuring principle used for continuous measurements: Multi-angle photometer, combination of the reflectometer  method a certain scattering angles and the transmission
  • Functionality check possible via serial interface
  • Status messages
  • Permanent, automatic error monitoring, the detailed error status is entered into a log-book
  • Storage of half-hourly mean values over an entire year (optional)
  • Reference made to operating flow rate at the sampling head or to standard flow rate
  • Two serial interfaces ensuring a measuring network and printer or maintenance PC to be simultaneously connected to the monitor on site
  • Compact, rugged mechanical components; 19”-rack

Applications:

  • Typical applications include determining ambient elemental carbon for health-related effects and aerosol light absorption for visibility monitoring (regional haze) and climate reasearch.
 
Purchase Details
SKU : Model 5012 
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Specifications:
Method :Multi angle photometer. Compensation of multi scattering effects. Automatic Continuous Operation.
Limit of Detection :2 min base: <100 ng/m³ ; 10 min base: <50 ng/m³ ; 30 min base: <20 ng/m³
Filter Change :at 20 % transmission (ca. 30µg)
Active Measurement Time :>98%
Air Flow Regulation :deviation < 1% (PID type)
Filter Tape :Glass fiber type GF 10. Manufacturer: Schleicher & Schüll. Length: ca 40m; width: 40mm; effectivity: 99.98%.
Data Output :Serial interface RS232; analog output: 0/4 mA or 0V .. 10V
Data Memory :18560 concentration values; log book with 1632 entries; 385 daily averages.
Operating Temperature :-10°C .. 40°C
Power Connection :110V / 220V; central unit ca. 30 W; pump ca. 100 W
Pump Type :RPM regulated rotary vane pump with carbon dry rotor
Size :Width: 483mm; depth: 320 to 400mm; height: 7 HE (315mm)
Weight :ca.25 kg