1. Air Particle Counter
      2. model no. : DT-9881M


      3. Desc. :

      4. CEM



      5. Application :

      6. To measure amount of particles in air as well as concentration of carbon monoxide & methanal, suitable for scientific research, agriculture, tunnel ventilation, air quality control for hotel room, office, aircraft, shopping centre, sports centre, etc.



      7. Feature :

      8. Easy to use, compact, count 6 sizes of air particles, record photo (JPEG format) & video (3GP format) of environment under monitoring, data storage in micro SD card, data output to PC



  • Particle size (diameter): 0.3, 0.5, 1.0, 2.5, 5.0, 10.0 µm 
    Mass concentration: 0 ~ 500 µg / m³ (PM 2.5 & 10 µm only)
    Flow rate: 2.83 L / min. 
    Counting efficiency: 50% at 0.3 µm; 100% at >0.45 µm 
    Coincidence loss: 5% at 2000000 particles / ft³
    Mode:

    Cumulative, concentration (particles / m³), differential
    Air temperature range: 0 ~ 50°C : ±0.5°C of displayed value
    Relative humidity range: 0 ~ 100% : ±2.5% of displayed value (20 ~ 80%) 
    Methanal range:  0.01 ~ 5.00ppm : ±5% of displayed value ±0.01
    Carbon Monoxide range:  0 ~ 1000ppm : ±5% of displayed value ±10
    Data memory: 5000 sets in built-in memory & micro SD card 
    Digital output:  USB 
    Power source: rechargeable lithium ion battery
    Dimension: 240 x 75 x 57 mm
    Weight: 570 g