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Indoor Air Quality Meters/Monitors

Indoor air quality measurements typically include temperature, humidity, draft, particles (PM2.5) and gases such as CO and CO2. TSI offers several instruments that help you quickly and accurately assess basic IAQ parameters. Maintaining air quality and comfort levels can significantly improve occupant satisfaction (as shown through increased concentration and productivity) and help reduce absenteeism.
 

Health and safety concerns are a growing part of air quality assessment. Energy conservation efforts have made building construction nearly airtight, which, in turn, has made proper ventilation more important than ever.  Gases, vapors and particles can cause adverse reactions in certain individuals, depending on individual sensitivity. Some of these ‘ever-present,’ unwanted contaminants are potentially toxic, infectious, allergenic, irritating or otherwise harmful. Recent studies claim that over one third of the buildings in the United States have air quality problems.
 

It is increasingly important to respond quickly to IAQ complaints and be proactive to identify and resolve potential problems before they get out of control. TSI Indoor Air Quality instruments are designed as high performing instruments to help IAQ professionals identify problems, make corrections and maintain air quality standards in any indoor environment.

Products

Continuous IAQ Monitoring Instruments

Continuous IAQ monitoring for research. Synchronized PM, gas, and comfort datasets with dashboards, QA/QC, and export.

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Indoor Air Quality Meters

Portable IAQ meters for research. Multi-parameter measurements with logging and export for labs, testbeds, and field studies.

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EVM Environmental Monitors

The EVM Series Particulate Mass Concentration and Air Quality Monitors simultaneously measure...

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Research requires dependable data. Whether you are characterizing indoor environments, validating ventilation strategies, or studying exposure proxies, TSI IAQ instruments provide measurement fidelity and workflow flexibility that support rigorous methods.

Where they fit:

  • Academic labs and university testbeds evaluating HVAC performance and IAQ interventions.
  • Industrial R&D facilities running materials testing, product trials, and prototype evaluations.
  • Contract research organizations conducting studies across multiple sites and seasons.
  • Government and nonprofit groups assessing building health programs and policy impacts.

Instrumentation strategy:

  • Handheld IAQ meters provide fast setup verification, spot checks, and portability for cross-site comparisons.
  • Continuous monitors deliver stable time series data for long-term studies, controlled experiments, and campaigns that require synchronized multi-zone measurements.

Parameters and value:

  • PM, CO2, and TVOCs inform source characterization and intervention effectiveness.
  • Temperature and humidity contextualize results and support comfort-related analysis.
  • Differential pressure supports studies on directional airflow and containment strategies.

Data and integration:

  • Onboard logging with simple export to CSV or analysis environments.
  • Dashboards for oversight and quick QA/QC of incoming data streams.
  • Flexible deployment options that scale from benchtop chambers to building-wide networks.

TSI brings decades of precision measurement experience to research customers. Our team collaborates on instrument selection, deployment design, and data workflows that align with study objectives. With reliable instruments and responsive support, researchers can focus on experimental design and insight generation rather than instrument uncertainty.


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