Indoor Handheld HCHO TVOC Smart Air Quality Detector gas monitor with Electrochemistry sensor High sensitivity

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  • 50 - 99 Units
    US $35.00
  • 100 - 299 Units
    US $32.00
  • 300 - 499 Units
    US $30.00
  • >=500 Units
    US $28.00
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Overview
Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Dienmern
Model Number:
DM105A
Product name:
Handheld Formaldehyde HCHO Meter Tester Monitor
Color:
Blue,Black
Lcd Screem:
2.8" 320*240Pixels
Power:
Built-in Li battery
Sensor type:
Electrochemical
Rated Input:
5V/1A
Battery Capacity:
1000mA
Charging Time:
2-3 Hours
Supply Ability
Supply Ability:
1000 Unit/Units per Day
Packaging & Delivery
Packaging Details
Gift Box Packing
What is Included: 1*Main Device,1*USB Cable,1*User Manual
48Pcs/Ctn
Carton Size: 64 X 28 X 34 Cm
G.W.:15Kgs/Ctn
Port
ShenZhen
Lead Time :
7-15 days

Indoor Handheld HCHO TVOC Smart Air Quality Detector gas monitor with Electrochemistry sensor High sensitivity 

 

-Model:DM105A
-Lcd Screem:2.8" 320*240Pixels

-Sensor type : Electrochemical
-Rated Input: 5V/1A
-Battery Capacity:1000mA

-Power : Built-in Li battery -USB Charging cable
-Charging Time:2-3 Hours
-The Device Will Shut Off Automatic (Optional)

-Product Color: Blue,Black
Gift Box Packing
What is Included: 1*Main Device,1*USB Cable,1*User Manual
48Pcs/Ctn
Carton Size: 64 X 28 X 34 Cm
G.W.:15Kgs/Ctn Functions: Air quality monitoring Result for HCHO,TVOC,TEMP,HUM,AQI indicate

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QA :

 

1 Q: Why do I need to calibrate?


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 change First calibrated 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.

 

 

2 Q: the test value has been 0, spray perfume will rise?


A: Please re-calibrate outdoors. Detection of spices, perfume, paint, cigarettes, air fresheners, alcohol and other chemical pollutants, so as not to damage the sensor.

 

3 Q: How much range of detection of formaldehyde concentration detector,how many square meters?
A:
1) The principle is less than 50m3 ,the room should be set 1 to 3 points;50 ~ 100m3 Set 3 to 5 points;More than100m3 at least 5 points. On a diagonal or plum blossom evenly distributed.
2) Sampling points should avoid the ventilation, from the wall distance greater than 0.5m.
3) The height of the sampling point: in principle, consistent with the human breathing.Relative height of 0.5m ~ 1.5m between.

 

4 Q: Why is the product sounding when working?


A: The device need to collect a lot of mobile air, in order to ensure accurate detection of the fan needs strong operation, so a little sound is normal.

 

5 Q: What is the standard for formaldehyde (HCHO)?


A: ≤ 0.10mg / m3 ("indoor air quality standards" GB / T18883-2002)


6 Q: What is the standard for total volatile organic compounds (TVOC)?


A: ≤ 0.6mg / m3 (GB / T 18883-2002 and GB 50325-2001 Class II civil construction)