Testo 535 Ambient CO2 Monitor

Highly accurate 2 channel infrared sensor carbon dioxide monitor with a 0 to 9,999 ppm measuring range.

Features

  • 2 channel infrared absorption principle
  • Range: 0 to 9,999 ppm CO2 (0 to 1 vol. %CO2)
  • Accuracy: ±(50 ppm CO2 +2 % of mv) from 0 to 5,000 ppm and ±(100 ppm +3 % of mv) from 5,000 to 9,999 ppm CO2
  • Resolution: 1 ppm CO2 or 0.001 vol. %
  • Display: LCD, 0.5" digit height

The Testo 535 ambient CO2 meter uses CO2 as an indicator to assess indoor air quality. If the CO2 in indoor air is too high (>1000 ppm), the air feels stuffy and and stale and can lead to fatigue, poor concentration, and illness.

The Testo 535 ambient CO2 meter has a measuring range of 0 to 9,999 ppm CO2 with accuracies of ±(50 ppm CO2 +2 % of mv) from 0 to 5,000 ppm and ±(100 ppm +3 % of mv) from 5,000 to 9,999 ppm CO2.

The Testo 535 ambient CO2 meter comes complete with permanently attached probe, instruction manual, batteries and calibration protocol.

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This product can be used in the following applications: