Ambient SO2 Gas Analyzer (CAAQMS)

Veritcal View
concentration units ppb, ppm, ug/m3,mg/m3
Zero noise o.2ppb
Quantum Noise 0.5% ppb or 0.2ppb or more
Detection limit 0.4ppb
Zero drift(24h) 1 ppb
Zero drift(7 days) < 1ppb
Span drift(7 days) <1%F.S
Linearity <1% F.S
Response time <120s to 95%
Sample gas flow (400±50)sccm
Operating temperature (5-40)Deg C

Ambient SO2 Gas Analyzer

The Ambient SO2 Gas Analyzer from Vasthi Instruments uses the ultraviolet fluorescence principle, combined with the most advanced microprocessor technology, to provide accurate, reliable low PPB-PPM levels of SO2. The analyzer is ideal for atmospheric monitoring and dilution of pollution in online monitoring applications.


  • Measuring range: 0-50ppb to 0-20ppm, user selectable
  • Digital output of the instrument parameters
  • color display, and touch screen operation
  • Large -Capacity memory automatically stores historical data.
  • Dual range and auto range microprocessor multi-function operation.
  • The software allows monitoring data during the operation and continuous detection with an alarm light
  • RS-232 port for remote control
  • With alarm function for continuous self-test feature bi-directional light attenuation.
  • With temperature and pressure compensation with USB and Ethernet interfaces.

Get in Touch

Have a question about our Device? Don’t hesitate to contact us directly using the form on this page or by visiting our office.


Ph. +91 7337418685

Manjeera Trinity Corporate,
Plot No-112, Survey No:1050,
JNTU, Hitech city Rd, KPHB Colony
Kukatpally, Hyderabad-500072

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