Continuous Ambient Air Quality Monitoring System
Agasthya 2013 Series
BI 9000
The Agasthya Series BI 9000 Continuous Ambient Air Quality Monitoring System is designed to provide continuous and accurate real-time monitoring of ambient air quality parameters across urban, industrial, and sensitive environments, supporting reliable environmental assessment and regulatory requirements.
The BI 9000 AQMS is based on advanced Electrochemical, Infrared (IR), and Optical sensor technologies, delivering high performance, excellent sensitivity, and long-term operational stability for continuous ambient air monitoring.
The system measures a wide range of gaseous pollutants including Ozone (O₃), Nitrogen Dioxide (NO₂), Nitric Oxide (NO), Carbon Monoxide (CO), Carbon Dioxide (CO₂), Sulphur Dioxide (SO₂), Hydrogen Sulphide (H₂S) and other toxic gases, along with PM2.5, PM10, and TSP particulate matter.
Housed in a compact and modular enclosure, the BI 9000 AQMS supports flexible configuration, cost-effective servicing, and reliable long-term operation, meeting the global demand for continuous micro-environment ambient air quality monitoring.
- Measurement of up to 12 parameters under one system
- Electrochemical, IR and Optical sensor technologies
- PM2.5, PM10 & TSP particulate monitoring
- 5.7-inch touch screen display
- 32-bit powerful ARM processor
- Multi-point factory calibration
- Real-time data acquisition with active sampling via brushless pumps
- Excellent linearity and sensitivity
- Built-in zero air scrubber
- On-site Zero & Span gas calibration
- Remote site operation capability
- GSM / MODBUS / Ethernet communication
- Climate-controlled compact enclosure
- Optional meteorological sensors (temperature, humidity, wind speed & direction, noise, solar radiation)
- Low capital cost for affordable air quality profiling and assessments
Analyzer Specification
- Gas Measurement Technology
- Electrochemical
- Gas Measurement Range
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Oxygen (O₂): 0–25 %
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Carbon Monoxide (CO): 0–50 ppm
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Nitric Oxide (NO): 0–5000 ppb
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Nitrogen Dioxide (NO₂): 0–5000 ppb
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Sulphur Dioxide (SO₂): 0–5000 ppb
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Hydrogen Sulphide (H₂S): 0–10000 ppb
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Ozone (O₃): 0–1000 ppb
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Ammonia (NH₃): 0–25 ppm
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Chlorine (Cl₂): 0–10000 ppb
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Carbon Dioxide (CO₂): 0–2000 ppm
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Methane (CH₄): 0–2000 ppm
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HCl: 0–10 ppm
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- Particulate Matter
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PM10: 0.001–20 mg/m³
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PM2.5: 0.001–20 mg/m³
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TSP: Optical sensor based
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- Ambient Temperature
- –40°C to +60°C
- Relative Humidity
- 0–100 % RH
- Barometric Pressure
- 800–1100 hPa
- TVOC
- Up to 10,000 ppm
CEMS Specification
- Particulate Matter
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PM10: 0.001–20 mg/m³
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PM2.5: 0.001–20 mg/m³
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TSP: Optical sensor based
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- Ambient Temperature
- –40°C to +60°C
- Relative Humidity
- 0–100 % RH
- Barometric Pressure
- 800–1100 hPa
- TVOC
- Up to 10,000 ppm
- Analog Output
- 4–20 mA for each gas
- Communication Interface
- RS-232, RS-485
- Protocol
- MODBUS
- Power Supply
- 110 / 230 VAC, 50 Hz
- Operating Temperature
- –20°C to +50°C
- Operating Relative Humidity
- 15–85 % RH
- Dimensions
- 1500 (H) × 600 (W) × 800 (D) mm
- Weight
- 200–300 kg (configuration dependent)
- Urban ambient air quality monitoring
- Environmental impact assessments
- Industrial perimeter air quality monitoring
- Construction site air quality monitoring
- Indoor air quality monitoring
- Park and forest air quality monitoring
- Residential, school and hospital exposure studies
- Near-road and traffic pollution monitoring
- Long-term air quality trend analysis
- Low-cost air quality networks supporting reference AQMS stations
- Technical Brochure
- Manual
- Application Questionnaire
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