CEM DT-9881M 6CH Particle Counter PM2.5 PM10 IR Air Temperature 5 in1 Meter

CEM DT-9881M 6CH Particle Counter PM2.5 PM10 IR Air Temperature 5 in1 Meter
Notice:
  The standard package don't include batteries.Because,the international air shipping forbid to ship liquid,powder and batteries,we can not put them in the package box.Hope you can understand buy them in your local store or supermarket.
At the same time, please forgive us that we are unable to provide the English user manual. If you need it, please contact the customer service after purchase.
Thanks for your support!
Features:
1. 2.8" TFT 320x240 pixels Color LCD display
2. Images (JPEG) & Video (3GP)
3. Simultaneously measure and display 6 channel of particle sizes, measure particle size down to 0.3µm; PM2.5/PM10 quality concentration test 
4 IR temperature measure & Laser targeting
5. Air temperature and humidity, Dewpoint & Wet bulb temperature
6.Max, Min, DIF, AVG record, Date/time setup controls, High and low alarm
7. Adjustable emissivity & Trigger lock
8 .Micro SD (MAX. use 8GB) memory card, USB interface
9. Auto Power Off
10. Selectable sample time, count data, programmable delay
11 .Store 5000 records of date, time, counts, relative humidity, temperature, sample volumes, alarms and location label
12. Language selection English, Chinese, French, German, Spanish
Specifications:
PM2.5/PM10 quality concentration measuring range: 0-500ug/M3
Display resolution: 1ug/M3
Particle Counter
Channel 0.3, 0.5, 1.0, 2.5, 5.0, 10µm
Flow Rate 0.1ft3(2.83L/min) controlled by internal pump
Count Modes Totalize, Concentration, Audio
Coincidence Loss 5%, 2000000 particles per ft3
IR Temperature Measure
IR Temp. Range -20.0oC to 500.0oC/-4.0oF to 916oF ;
Basic Accuracy: ±1.5% of reading
Optical Resolution 8:1 Distance to Spot size
Emissivity Adjustable 0.10~1.0 Adjustable
Response Time 500mS
Air Temperature Measure
Air Temp Range 0 to 50oC/32 to 122oF; Basic Accuracy:±0.5oC/1oF
Humidity Range 0 to 100%RH; Basic Accuracy:±2.5%RH(20%~80%RH)
Dew Point Temp. Range -30~100oC/ -22~199oF
Wet Bulb Temp. Range 0~80oC/ 32~176oF
HCHO measuring range: 0.01 - 5.00ppm; Accuracy: ±5% ±0.01ppm
CO measuring range: 0 - 1000ppm; Accuracy: ±5% ±10ppm