TSI Quest EVM Environmental Monitors
Product Features
- 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
The EVM Series Particulate Mass Concentration and Air Quality Monitors simultaneously measure particulates and gas concentration in real-time.
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.
General
- Display Languages- English, French, German, Italian, Portuguese, and Spanish
- User Interface- 10 push buttons 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 VoltAC, 50-60 Hz
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