Thermo Scientific 43iQ SO₂ Analyzer

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Thermo Scientific 43iQ

Measured parameters: SO₂ (Sulfur Dioxide)

Measurement method: UV Fluorescence

Thermo Scientific 43iQ pulsed UV fluorescence SO₂ analyzer for ambient air and process monitoring. Sold, installed and serviced in Türkiye by Tetra.

Installation, calibration, spare parts and service in Türkiye come from Tetra; cabinet and panel integration can be done at our İzmir facility.

Technical information

Measured gas
SO₂
Supply
220-240 VAC, 50/60 Hz
Communication
Serial RS232/RS485
Options
Internal zero/span valves

43iQ is an analyzer that measures sulfur dioxide (SO₂) concentration. In the pulsed UV fluorescence principle, SO₂ molecules in the sample are excited by UV light, and the intensity of the fluorescent light they emit on returning is measured in proportion to SO₂ concentration.

It is used at air quality monitoring stations, in environmental monitoring of power plants and industrial facilities, and in laboratory applications.

43iQ features

  • SO₂ measurement by pulsed UV fluorescence
  • Automatic calibration check with internal zero/span valves
  • Serial RS232/RS485 communication
  • 220-240 VAC, 50/60 Hz supply
  • Renewed user interface and platform of the iQ series

Spare parts and consumables

Write to us for spare parts and consumables; the Tetra service team supplies and replaces the right original parts for your instrument.

Ask about spare parts →
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