Name: 2020 New Air Quality Monitor CO2 PM2.5 Detector HCHO/TVOC Tester Sensor Gas Analyzer with RS-485 Communication Output Function
SKU: 397593019181
Price: 115.00 SAR
Availability: InStock

2020 New Air Quality Monitor CO2 PM2.5 Detector HCHO/TVOC Tester Sensor Gas Analyzer with RS-485 Communication Output Function

ر.س115.00

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2020 New Air Quality Monitor CO2 PM2.5 Detector HCHO/TVOC tester sensor gas analyzer with RS-485 communication output function

Product Description

This product is a multifunctional air quality detector that detects Carbon dioxide (CO2),Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), Particulate Matter <2.5 micron-sized particles (PM2.5/1.0/10), Temperature, and Humidity with clock and record function. As a scientific air quality detection device, it combines multiple air sensors with a built-in fan to allow real-time monitoring of Carbon dioxide (CO2),formaldehyde (HCHO), total volatile organic compounds (TVOC), PM2.5/1.0/10, temperature, and humidity on its digital LCD display.

Product specifications:

Product Name	Multi-Function Air Quality Monitor
Measure	CO2+PM1.0+PM2.5+PM10+TVOC+HCHO+Temperature+Humidity+AQI
Data transmission	Support RS-485 communication output
PM2.5/PM1./PM10 technolology	Laser Scattering
HCHO/TVOC technolology	Semiconductor sensor
Size	1457897.2 MM
Weight	235g
Processor	ARM ,High-speed complex calculations
Detection range	PM2.5 ( 0-999 ug/M³ )
	HCHO(0.001-1.999Mg/M³)
	TVOC(0.001-9.999Mg/M³)
	CO2 ( 0-5000 ppm)
	AQI(0-500)
Power supply	Rechargeable Li-battery 3000mah, USB Recharge
Color	Black
Material	Metal + ABS
Display	LCD screen display

Features:
1. HCHO (formaldehyde) detection;
2. TVOC detection;
3. PM2.5/PM1.0/PM10 dust detection;
4. CO2 detection;
5. Temperature detection;
6. Humidity detection;
7. Built-in large capacity lithium battery, USB Recharge;
8. Time display
9. Support RS-485 communication output

Product Specifications:
Display method: TFT LCD screen display, 480X270 pixels
Atmospheric pressure: 86Kpa – 106Kpa
Detection method for PM: Laser Scattering
Sampling time: 1.5 seconds
Product Size: 145*78*97.2 MM
Detection temperature: 0°C to 50°C;
Relative humidity: 20% – 85%
Storage temperature: -10°C to 60°C;
Concentration unit for PM: ug/m³
Concentration unit for HCHO and TVOC: mg/m³
Power source: Lithium battery with 3000 mAh capacity; 5V DC power charging via micro USB port
Product weight: 235g
Detection data range: PM2.5(0-1000)CO2( 0-5000 ppm)
HCHO(0.001-1.999Mg/M3)
TVOC(0.001-9.999Mg/M3)

What are included:
Main Unit
manual
mini USB charging cable

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 Then Measure. If Items Are In Low Battery, The Data May Be Inaccurate

The monitoring factors of the collection sensor include formaldehyde, carbon dioxide, temperature, PM2.5, humidity, etc. These monitoring factors are measured by the front-end independent monitoring instrument using different methods to obtain a very accurate measurement data. This result is transferred to the online monitoring data platform through the GPRS data collection and transmission terminal after data processing and conversion, and the online monitoring data transmission platform To achieve data reception, filtering, storage, processing, statistical analysis and provide real-time data query and other tasks.

air monitor DM72B (18) air monitor DM72B (14) air monitor DM72B (12)

dm72 air monitor (1)

Different switching display interfaces

DM72B-2

RS-485 data transmission line, connect device and computer. Transfer gases data from device to computer.

DM72B-3

applica

Company Information

Langder Technology Co., Ltd.Our company is an integrated economic entity of R&D,manufacturing and trading all kinds of Gas Analyzers and Consumer electronics, with 180 personnel, 30 technicians and managerial staff members.Workshop covers an area of 2,000 square meters, equipped with a complete set of facilities, research and development centers, and production lines of possessing SMT, PCB cards, welding.Through a long time development,we own a national resources system of various professional talents ,strong Technological standardization and a complete quality assurance system.We have set up many of our own brands such as Dienmern,LangKou. in addition. we accept clients’OEM or ODM request in manufacturing,scientific research , market development or want to build their own brand in their country.As a True manufacture , Our price is very competitive.40% of our products are directly exported to Europe, North America, Asia,Australasia,and 30% to China Mainland Trade Companies . 20% products ,We sell online stores in China mainland markets . We see the quality of products very seriously, because we have our own online shopping stores in China , we directly contact consumers, so we know what kind of quality they need.During years of manufacturing and trading and selling experience ,the quality of our products is mature and stable and got good feedback from clients .

Products from our factory have many advantages over other detector factories. Careful inspection and strict supervison before each product going out guarantee you the best quality control. A lot of skillful workmen and advanced equipments in each product department and raw materials in bulk in our warehouse facilitate us to offer you not only promptly sample making, timely delivery but also lower price.

All above are the major factors that enable us to have the long term cooperation relationship with lots of clients (from the US, Australia and other European countries, etc), and win many new clients who are willing to place larger orders with us.

We professional sales team strongly offer best pre-sale to you, sales, after-sales service. We take” CUSTOMER IS OUR SUPREME CONSIDERATION “as our everlasting service purpose. Should you be interested in any of our products, Please never hesitate to contact us for enquiries, and we are honored to be on service of you in 24 hours!

Any questions from you will be Warmly Welcomed and Highly Valued !!! Please feel free to Contact us at any time!!!

Production line:

QQ20180330095149 QQ20180330095146

Certificate

CE-DM72 certificate

FAQ

1 Q: What the test index are include for air quality monitor?

A : PM2.5: is main for smog(PM1.0 and PM10 are the same);

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.

Accuracy	high
Measurement Range	TVOC, Temperature, CO2, PM2.5, Humidity, PM10, AQI, PM1.0, HCHO(Formaldehyde)

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