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Appareil de mesure de la qualité de l'air Environnement

Appareil de mesure de la qualité de l'air

Modèle :E-Sampler

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•  Programmable Auto-Zero
•  Programmable Auto-Span
•  Auto-ranging (1 to 100000 µm/m3)
•  Adjustable Ambient Flow Control 1-3.5 LPM
•  Internal Battery (30HRS Operation)
•  Laser-Diode Precise Optical Engine
•  Integral 47mm Analysis Filter
•  Ambient Pressure and Temperature
•  Internal Datalogger
•  PM10, PM2.5, PM1, TSP Monitoring
•  Aluminum Weatherproof Enclosure
•  Sheath-Air protected Optics
•  Completely Self-Contained
•  No Tools Filter Replacement



•  Ambient Air Monitoring
•  Remediation Site Perimeter Monitoring
•  Indoor Air Quality Monitoring
•  Source Monitoring
•  Visibility Monitoring
•  Mobile Monitoring



The E-SAMPLER is a dual technology instrument that combines the unequalled realtime measurement of light scatter with the accuracy standard of filter methods. The simple filter loading process testifies to the seamless blending of both technologies. Filters can be extracted and replaced in less than one minute and filter medium can be selected based on laboratory analysis. Particulate loading on the filter does not reduce performance due to the Met One actual flow control protocol. Ambient temperature and pressure are measured and actual flow is calculated and controlled by the E-SAMPLER microprocessor independent of filter loading change.



The E-SAMPLER provides real-time particulate measurement through near-forward light scattering. An internal rotary vane pump draws air at 1 to 3.5 LPM into the sensing chamber where it passes through visible laser light. Aerosols in the air scatter light in proportion to the particulate load in the air. Scattered light is collected by precise glass optics and focused on a PIN diode. Rugged state of the art electronics measure the intensity of the focused light and output a signal to the CPU. The output is linear to concentrations greater than 100,000 ug/m3. Every E-SAMPLER is factory calibrated using Polystyrene Latex Spheres of known index of refraction and diameter at multiple points to validate linearity.



Each E-SAMPLER has two internal filters (not the 47mm Analysis Filter) to protect sensitive optics and prevent damage to the flow components. Both filters are accessible from the front panel. Coin slots enable these filters to be removed and checked or replaced without any tools. Filter life for both will exceed 1 year in the harshest of conditions. All E-SAMPLERs have sheath air from the internal filters that continually curtain the optics. This sheath air protection allows the E-SAMPLER to be used in adverse environments without performance degradation. Even in harsh conditions the E-SAMPLER will operate to specifications for 2 years without need of recalibration.



Air SoftwareTM and Air Plus SoftwareTM are complete communications, data collection and data reporting tools. This software supports modem, radio, direct connection and the G1002 Data transfer module. Both programs generate summary reports and Air Plus provides graphic recordings and charts.


Concentration Ranges (Auto-ranging) 0-.5, 0-1, 0-10 0-100 mg/m3
Sensitivity .001mg/m3
Sample period 1 sec
Sample Flow Rate 1 to 3.5 LPM
Accuracy 8% of NIOSH 0600
Precision .003 ug/m3 or 2% reading
Particle size sensitivity range .1-100 micron
Long term Stability 5% reading
Sensor Type Forward Light Scatter
Average Period .1 – 60 minutes
Display 4X20 LCD
Power 12 VDC 12 Amp-Hr
Internal Consumption 400 mA
Internal Battery Operation >30 Hours
Battery Type Lead Acid
Size 10.5 x 9.25 x 5.7 in. (267 x 235 x 145 mm)
MOI service Period 2 yrs
Programmable Auto-Zero 15min to 24 hours
Programmable Auto-Span 15min to 24 hours
Traceable testing Gravimetric
Sample Line Heater Configurable RH controlled
Outputs Analog 0-1,0-2.5,0-5,0-10 VDC, RS232
Data Storage Capacity 10000 Records
Temperature Compensation Standard
Temperature Range -10 to 50 C
RH Measurement Internal
Ambient Temperature -30 to +50 C
Ambient Pressure 1040 to 600 mbars
Alarm Contact Closure
Available Cut Points TSP,PM10, PM2.5, PM1



•  Universal Voltage Power Supply/Battery Charger
•  47 mm Filter Holder
•  TUS Software
•  TSP Inlet
•  Digital Output Cable
•  External Battery Cable
•  Instruction Manual


•  PM10, PM2.5,PM1 Sharp Cut Cyclone
•  Extra 47 mm Filter Holders
•  Aluminum Tripod
•  Air and Air Plus Software
•  Radio Modem
•  Phone Modem
•  GOES Satellite
•  Wind Speed/Direction Sensor
•  Ambient RH



Convertisseur d'unités