EVM
EVM
The EVM Series Particulate Mass Concentration and Air Quality Monitors simultaneously measure particulates and gas concentration in real-time.
- 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
EVM Monitor Specifications
EVM Sensor Specifications
| General | |
| Display Languages | English, French, German, Italian, Portuguese, and Spanish |
| User Interface | 10 pushbuttons and 4 softkeys, menu driven |
| Display Type | Transreflective 128 x 64 LCD with backlighting |
| Software Compatibility | TSI Quest Detection Management Software DMS |
| Standards | CE Mark and RoHS compliant |
| Particulate Impactors Size Fractions | PM2.5, PM4, PM10 or TSP (within the instrument’s measurement range) |
| Flow Rate | 1.67 L/min |
| Displayed Data | |
| Measurements | Level, Minimum, Maximum, Average, Short-Term Exposure Level (STEL), Time Weighted Average (TWA) |
| Real-Time Measurement | Once per second display update rate |
| Time History Data Logging Intervals | Seconds: 1, 5, 15, 30 |
| Minutes: 1, 5, 10, 15, 30, 60 | |
| Trend Graphing Intervals for All Parameters | Minutes: 1.5, 3, 15 |
| Hours: 1.5, 3, 8, 12, 24 | |
| Status Indicators | Battery, Run, Stop, Overload and UnderRange |
| Averaging Time | 1 to 30 seconds |
| Physical Characteristics | |
| Size | 7.5” x 7.5” x 2.75” (19 cm x 19 cm x 7 cm) |
| Weight | 2.9 lb (1.3 kg) |
| Housing | Static dissipative ABS Polycarbonate housing |
| Tripod Mount | Standard photographic mount on bottom, 1/4” - 20 screw heads |
| Operating Conditions | |
| Temperature Range | 32 °F - 122 °F (0 °C to 50 °C) |
| Pressure Range | 65 kPa to 108 kPa |
| Relative Humidity Range | 10% to 90% non-condensing |
| Storage Conditions | |
| Temperature | -4 °F to 140 °F (-20 °C to 60 °C) |
| Humidity | 0% to 95% RH, non-condensing |
| Electrical Characteristics | |
| Intelligent Sensors | Auto-detectable when inserted at power-off mode |
| Battery Pack | Rechargeable lithium-ion |
| Battery Life | Minimum of 8 hours under continuous operation |
| External DC Power Input | 10 to 16 Volt power inlet (nominal 12V DC) 1.5A |
| Power Adapter | Universal AC adapter 100 to 240 Volt AC, 50-60 Hz |
| Method | Base Units | Display Resolution | Display Range | Accuracy Repeatability |
|---|---|---|---|---|
| VOC: 10.6eV Photoionization Detector | ||||
| Low Sensitivity PID | select ppb or mg /m3 | 0.01 | 0.00 - 2,000 | +/-5% / 2%*** at calibration level |
| High Sensitivity PID | select ppb or μg /m3 | 1 | 0 - 50,000 | +/-5% / 2%*** at calibration level |
| CO2 | ||||
| NDIR (Non-Dispersive Infrared) | ppm | 1 | 0 - 5,000 ppm; autoranging (Noncondensing) | +/-100 ppm @ 20 deg C, 1 bar pressure at 2,000 ppm applied gas |
| Temperature | ||||
| Junction Diode | deg C | 0.1 | 0.0 - 60.0 | +/- 1.1 deg C |
| deg F | 0.1 | 32.0 - 140 | +/- 2 deg F | |
| Relative Humidity | ||||
| Capacitive | % humidity | 0.1 | 0.0 - 100 | +/-5% RH* of signal between 10%-90% |
| Air Velocity | ||||
| Omni-directional Heated Thermistor Windprobe | meter/sec | 0.1 | 0.0 - 20 | +/-0.12 m/s + 4.5% of signal |
| feet/min | 1 | 0 - 3940 | +/-23.6 ft/min + 4.5% of signal | |
| Particulates | ||||
| 90° Light Scattering / Integrating Photometer | mg / m3 | 0.001 | 0.000 - 200.0 | +/-15% (rel ARD*) |
| μg / m3 | 1 | 0 - 20,000 | +/-15% (rel ARD*) | |
| Particulates Size Range | μm | N/A | 0.1 - 10 | ** |
| Electrochemical Sensor | ||||
| CO - Carbon Monoxide Sensor | ppm | 1 | 0 - 1,000 | +/-5% / 2% of signal |
| Cl2 - Chlorine Sensor | ppm | 0.1 | 0.0 - 20 | +/-5% / 2% of signal |
| EtO - Ethylene Oxide Sensor | ppm | 0.1 | 0.0 - 20 | +/-5% / 2% of signal |
| HCN - Hydrogen Cyanide Sensor | ppm | 0.1 | 0.0 - 50 | +/-5% / 2% of signal |
| H2S - Hydrogen Sulfide Sensor | ppm | 1 | 0.0 - 500 | +/-5% / 2% of signal |
| NO - Nitric Oxide Sensor | ppm | 0.1 | 0.0 - 100 | +/-5% / 2% of signal |
| NO2 - Nitrogen Dioxide Sensor | ppm | 0.1 | 0.0 - 50 | +/-5% / 2% of signal |
| O2 - Oxygen Sensor | % | 0.1 | 0.0 - 30 | +/-5% / 2% of signal |
| SO2 - Sulfur Dioxide Sensor | ppm | 0.1 | 0.0 - 50 | +/-5% / 2% of signal |
EVM Model Comparison
| EVM-3 | EVM-4 | EVM-7 | |
|---|---|---|---|
| EVM Monitor Types | Particulate Monitor (no indoor air quality monitor) | Indoor Air Quality Monitor (no particulates) | Indoor Air Quality/Particulate Monitor (eliminates the need for separate meters) |
| Temperature | + | + | + |
| Relative Humidity | + | + | + |
| Air Velocity (With Purchase of Optional Accessory) | + | + | + |
| Particulates (Mass Concentration) | + | + | |
| Toxic Gas (Choose from 9 Sensors) | + | + | |
| Carbon Dioxide | + | + | |
| Select Volatile Organic Compounds | + |
