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Observator 100 years

VOC Probes

VOC probes are pre-calibrated, plug-and-play accessory probes for multi-purpose meters: models 7575 Q-TRAK monitor, 9565 VelociCalc meter and Airflow Instruments TA465 ventilation meter. When combined with these meters, long-term data analysis can be performed and reported which is useful for monitoring or investigating the indoor environment.

Additional documents


  • Pre-calibrated plug-and-play accessory probes for TSI Models
  • Compact design with ergonomic handle meter
  • Four versions available with multiple measurement capability
  • Calculates VOC exposure in mass concentration
  • Two-year factory warranty


These VOC probes can be used for several applications, such IAQ investigations, industrial hygiene surveys, building commissioning and track down emissions to their source.

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