The EVM-7 measures both particulates and air quality, and provides a lower cost of ownership by combining three instruments into one. Additional models include the EVM-3, specializing in direct reading of particulate mass concentrations, and the EVM-4, designed for indoor air quality studies.
| EVM-7 | EVM-4 | EVM-3 | |
|---|---|---|---|
| EVM Monitor Types | Indoor Air Quality/Particulate Monitor (eliminates the need for separate meters) | Indoor Air Quality Monitor (no particulates) | Particulate Monitor (no indoor air quality monitor) |
| Temperature | + | + | + |
| Relative Humidity | + | + | + |
| Particulates (Mass Concentration) | + | + | |
| Toxic Gas (Choose from 9 Sensors) | + | + | |
| Carbon Dioxide | + | + | |
| Select Volatile Organic Compounds | + |
Features and benefits
- Particulate, gas and photoionization detector (PID) measurement from a single device
- Less equipment to carry to job site; compact, user-friendly design
- 90-degree light scattering laser photometer measures particulates in real-time
- Proprietary technology for selecting particulate settings; no need for external cyclones
- Built in sampling pump allows for gravimetric analysis
- Large, easy-to-read display with trend graphing for measurements
- Time history data logging and compatibility with Detection Management Software makes analysis efficient
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