TSI Quest Environmental Monitor – Air Quality & Particulate Sensor – EVM-4
Product Description
The TSI Quest EVM-4 is built for effective indoor air quality monitoring, capable of simultaneously measuring carbon dioxide, up to two toxic gases, relative humidity, and temperature. Its compact design and easy-to-read display provide a quick overview of key parameters, streamlining air quality evaluations in workplaces, schools, and other indoor environments.
Ideal for unattended monitoring, the EVM-4 includes a tripod mount and security code protection. When paired with Detection Management Software, it also supports CO₂-based calculations of room air exchange rates—helpful for analyzing ventilation performance over time.
What’s included:
-
12V DC universal power adapter
-
USB connection cable
-
Toxic gas calibration adapter
-
Protective storage case
Available configurations:
-
EVM-4: Base unit with CO₂ sensor and two placeholder sensors
-
EVM-4/CO: Base unit with CO₂ and CO sensors, plus one placeholder sensor
Product Description
| Battery Life | 8 Hours |
| Battery Type | Rechargeable |
| Data Logging | Yes |
| Kits & Systems | Kits |
| 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 | EVM |
| 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 |
Standards/Approvals
- CE.
- CE.
- RoHS.
