TSI Quest EVM-4 Multiparameter Indoor Air Quality Monitors

The TSI Quest EVM-4 Series has the ability to simultaneously monitor and log carbon dioxide, relative humidity and temperature and one toxic gas. The device has the capability to measure one of nine different user-selectable toxic gases.

This multi-sensor instrument designed for indoor air quality investigations: It lets you simultaneously track, log and monitor multiple indoor air quality parameters, including room air exchange rates and dew point.

EVM-4/CO model available with additional CO sensor.

Key Specifications

  • 1.67 L/min flow rate
  • Measures air velocity (with purchase of optional AirProbe accessory kit)
  • Large, easy-to-read display with trend graphing for measurements
  • Time-history datalogging
  • 12 VDC universal input power supply
  • CE and RoHS approval
  • Compatible with TSI DMS Detection Management Software

Supporting Documentation

Click the file icon to view the file online, or right-click on the file icon and select "Save Target As..." to download the file to disk for later viewing.


3M EVM-4 Series Indoor Air Quality Monitor