Quest EVM-4 Indoor Air Quality Monitor

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Item #: EVM-4
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Product Details

Quest EVM-4 Indoor Air Quality Monitor

The EVM-4 is designed for indoor air quality analysis with its ability to simultaneously monitor and log carbon dioxide, up to 2 toxic gases, relative humidity, and temperature. The EVM-4`s compact size and its displayed overview of parameters help simplify indoor air quality assessments.

This versatile monitor features a tripod mount and security code protection for unattended studies. Additionally, the EVM-4 offers calculation of room air exchange rates with carbon dioxide trending algorithms for air quality evaluations (when used with Detection Management Software).

All models include:

  • 12V DC Universal Input Power Supply
  • USB Cable
  • Toxic Calibration Adapter
  • Storage Case

Available options:

  • EVM-4: Base unit with CO2 sensor and 2 dummy sensors
  • EVM-4/CO: Base unit CO2 sensor, CO sensor, and 1 dummy sensor

Quest EVM-4 Indoor Air Quality Monitor

Battery Life
8 Hours
Battery Type
Data Logging
Kits & Systems
Kit Type
Air Quality Monitor Kit
Measurement Parameters
Avg, Level, Max, Min, STEL, TWA
Net Weight
18 oz
Net Weight (Metric)
18 kg
Product Series
Product Type
Kits, Particulate Monitor
Sensor Type
Included Sensors: Relative Humidity, Temperature, CO2

Available Sensors: CO, O2, H2S, NO, NO2, HCN, EtO, CL2, SO2, Air Velocity


Quest EVM-4 Indoor Air Quality Monitor

There are no reviews yet.