Black Carbon Monitor BCM
The Vair-9017 Black Carbon Monitor from vasthi Instruments delivers accurate, real time black carbon data using at 7 wavelengths Aethalometer technology (UV-IR range)
Designed for advanced research and regulatory monitoring, it enables reliable source apportionment of diesel, biomass and industrial emissions.
About VASTHI
Vasthi is the first commpany from india to receive USEPA Certification. This achievement reflects our commitment to global-quality standards, scientific accuracy, and reliable emvironemental monitoring solutions. From india to the world, this certification positions Vasthi as a trusted leader in building a cleaner, smarter, and more sustainable future
Why VASTHI'S BCM
All Vair-9017 units are epuipped with a humidity control system that can be set to maintain a cinstant sample temperature and thereby reduce moisture-related measurement artifacts. The data output options exist including standard Ethernet, RS-485 & RS-232, USB-2.0 port.
Aethalometer Working Priniciple
- continuous aerosol sampling on filter tape
- Multi-wavelength (7 channels) light absorption measurement
- Optical attenuation converted to BC concentration (ng/m3)
- spectral analysis enables source differentiation
Why it Matters
- 7-Wavelength Analysis: High - confidence source apportionment
- Stable Measurements: Intergrated humidity control minimizes error
- Robust Design: Single flow path - easy calibration, low maintenance
- Flexible Integration: Ethernet, RS-485, RS-232,USB
- Optional dilution system supports high BC concentrations(>7,000 ng/m3)_ ensuring accuracy and durability in industrial and urban deployments.
Designed and manufactured for Researchers & Decision Makers
ideal for:
- Atmospheric & climate research
- Long-term monitoring networks
- Government & meteorological departments
- Emission source studies
FEATURES :
1. Optical attenuation method
2. Easy to use with LCD touch screen
3. 7 bands analysis in 370-950nm
4. Gas flow set to 1 to 10L/min
5. Communication interface (RS 232,485)
6. Measurement period can be set 1 to 60min
| Measuring range | (0 ~ 1000000) ng/m3 |
| Detection limit | 5 ng/m3 or less (Within 5 minutes of sampling) |
| Light source wavelength | 370nm, 470nm, 520nm, 590nm, 660nm, 880nm, 950nm |
| Sampling time | 1,5,10,15,30,60 minutes |
| Data recording cycle | (1~10) minutes |
| Communication interface | RS232 and RS485, front-end ports |
| Data storage | 5 minutes to store a group, can store more than one year of data |
| instrument display | 7 inches high resolution color interface |
| sampling flow | (1 ~ 10)L/min adjustable |
| Dimension | 400x270x300mm (LxWxH) |
| Weight | 7.5kg |
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