Continuous Ambient Air Quality Monitoring System (CAQMS)

Engineering & Environmental Solutions has independently designed this system, leveraging years of research and development expertise in both domestic and international environmental and industrial monitoring and online analysis applications.

  • Gases: O₃, NO₂, CO, CO₂, SO₂, VOCs, H₂S
  • Particulate Matter: TSP, PM₁₀, PM₂.₅
  • Meteorological Parameters: Temperature, humidity, noise level, barometric pressure, rainfall, solar radiation, wind speed, and wind direction

Technical Specifications

Materials Powder Coated MS
Cover Screws Stainless Steel, brass fitting
Ingress Protection IP67
Impact Resistance IK08
Rated Insulated Voltage AC:220V
Ambient Temperature Range -20°C to 60°C
Sensor Specifications
Type Details
Working Principle Ultrasonic Transit Time
Transducer Resonant Frequency 1 Mhz
Temperature Range +5C to +55°C
Pressure Range 0.03MPa to 1.6 Mpa
Accuracy ±2%
Ingress Protection Ip68
Connectivity LTE (4G)
Display LCD/ 60x40(35) mm
Enclosure Material ABS (DN25) Above DN40, die caste Aluminium
Technology
Module Over air programming (OAP) of nodes at once (via Wi-Fi or 4G telemetry)
Communication RS485 or printer cable for sensor suite to control unit, USB port for downloading data
File Output Format Customizable (e.g., CSV, JSON)
Sensor
Principle UV Fluorescence
Standard Range Min: 0-100 ppb F.S. Mix: 0-20 ppm F.S. (Selectable)
Zero Noise <0.4 ppb (RMS)
Span Noise <2.5 ppb
Lower Detectable Limits <0.5 ppb
Zero Drift (24 hrs) <1 ppb
Span Drift <1% F.S.
Response Time <80s (T90)
Precision <1%
Linearity <1% F.S.
Sample Flow Rate 650 cc/min ±10%
Operating Temperature 20-30°C range (per US EPA Guidelines)