Dienmern DM103B Air Quality Monitor Laser PM2.5 Detector tester Gas monitor/Gas analyzer/Temperature humidity meter Diagnostic

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Overview
Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Dienmern
Model Number:
DM103B
Product name:
PM2.5 Detector
Detecting Gas:
PM2.5 temp hum
Sensor:
Laser
Display:
LCD Screen
Warranty:
12 Months
Application:
Test PM2.5 Indoor
Power supply:
rechargeable Lithium Polymer Batteries
Material:
ABS + TFT LCD Screen
Certificate:
CE.Rohs.ISO9001
OEM:
Acceptable

Packaging & Delivery

Selling Units:
Single item
Single package size: 
19X18X10 cm
Single gross weight:
0.6 kg
Package Type:
Gift box package
Picture Example:
package-img
package-img
Lead Time :
Quantity(Piece) 1 - 10 11 - 500 501 - 1000 >1000
Est. Time(days) 7 15 20 To be negotiated

Dienmern DM103B  Air Quality Monitor Laser PM2.5 Detector tester Gas monitor/Gas analyzer/Temperature humidity meter Diagnostic tool

 

Product name Air quality detector PM2.5
MODLEDM103B
MeasurePM2.5  temperature humidity
Power supply USB Charging 
Material ABS 
Product size100*95*47MM 
PM2.5 technolology : 

Laser Scattering                                                                             

Colorwhite black
Packing20pcs/ctn
Standard accessoriesMain Unit+ manual+charging cable

 

Laser sensor for PM2.5 to detect dust Smog.

Semiconductor sensor for TVOC/HCHO.

CO2 sensor

Temperature and Humidity sensor.

AQI for Integrated air quality index.

Support time and date, self-calibration function.

 

 

 

 

Why use this product:

In  many cities, they  have pollution so need to verify air quality.
An ideal multi-function testing tool to monitor the air quality, a safeguard for family health If you worried about the air quality around you or your children. If exceed standard, prompt alarm ! 
Also we need to detect inner room air quality especially new decoration house
Don't forget, HCHO/TVOC formaldehyde is the healthy-killerespecially for kids and small baby.
When we detect the unhealthy air quality(especially completely closed room, like cool air conditioing room or heat room. The air must be very unhealthy), we must be open the door or windows, or use air purifier to clean the air to make sure we have a good healthy air environment.

Note:

1.Items Must Be Placed on The Indoor Static More Than An Hour Then It 

Will Show The Actual Data. If Randomly Moved, The Data Will Be Inaccurate.

2.If You Can Ensure A Clean Environment, The Goods Can Be The Calibration Data, And Them Measure. If Items Are In Low Battery, The Data May Be Inaccurate

Certifications:

 

 

FQA

1 Q: What the test index are include for air quality monitor?
   A : PM2.5: is main for smog;
         HCHO: is for formaldehyde;
        TVOC: is main for benzene,etc Volatile organic compounds;
        AQI: is for Integrated air quality index.

 

2. Q: What is the safe range for formaldehyde (HCHO) and TVOC?
    A : HCHO≤ 0.10mg / m3
          TVOC≤ 0.60mg / m3
          According to ("indoor air quality standards" GB / T 18883-2002 and
          GB 50325-2001 Class II civil construction).

 

3 Q: What is the standard range for PM2.5?
    A:   Good 0~12
           Medium 12~35
           safe value 35~70
           Unhealthy more than 70

 

4 Q: Why do I need to calibrate(Just HCHO and TVOC need to calibration, PM2.5 and AQI no need)?
   A :Our products work in the form of outdoor formaldehyde-free air sampling as a benchmark, and then get indoor air formaldehyde content as a comparison, so the new machine products for a long time not used, the detection of environmental temperature changes, need to calibrated first and then tested, the value of this calibration for the subsequent detection of the accuracy of a great relevance.Calibration environment must avoid spices,perfumes, paint, cigarettes, air fresheners,alcohol and other chemical pollutants, so as not to damage the sensor.

 

5.Q: Why PM2.5 readings with the published value on the site is not the same?
   A : Because the location and conditions of the test is difficult to reconcile with the weather station in the city there are several sampling points, each sampling point measured data are also very different, the sampling point of the location is strictly required; height 3 to 30 meters, air circulation, can not be close to the chimney, furnace and other obvious sources of pollution. And there are no high-rise buildings, trees or other obstructions that can impede the flow of ambient air around the instrument.

 

6 Q: Why is the PM2.5 test value always changing?
   A : PM2.5 data are changing all the times, with the air, wind, humidity and other environmental factors change, in the room smoking, cooking fumes, car exhaust emissions, coal, chimney,furnace Such as pollution sources will change the PM2.5 value of this area, resulting in differences in the detection data.

 

7  Q: Why does the products make a sound when working?
    A : As PM2.5 detection need to collect a lot of mobile air, 
          the inner fan needs strong operation to ensure accurate detection.

 

8 Q: How much range of detection of formaldehyde concentration detector,how many square meters?
   A : Test area≤ 50m3, room should be set 1~3 testing points;
          50m3 ≤ Test area≤ 100m3, room should be set 3~5 testing points;
          ≥100m3, the points should more than 5 ponits.
   Testing points is on a diagonal or plum blossom evenly distributed, would more better.
   The height of the sampling point: in principle,consistent with the human breathing.
   Relative height of 0.5m ~ 1.5m between.

 

9 Q: which kinds of air index exceeded, would lead to Alarm sound?
   A: Just HCHO data more than 0.10mg / m3, would lead to Beep sound.

 

 

Standard Accessories : 
-Main device
-USB Charging cable 
-User guide