| After-sales Service: | 1 Year |
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| Warranty: | 1 Year |
| Customized: | Customized |
| Portable: | Portable |
| Certification: | CE, RoHS |
| Gas: | CO2 |
| Samples: |
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| Customization: |
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Audited Supplier This product is an air quality monitor that detects Carbon dioxide (CO2),Temperature, and Humidity.
It combines sensors real-time monitoring of Carbon dioxide (CO2), temperature, and humidity on its digital LCD display.
| DM175 Feature |
-LCD Screen Display. -With CO2 Alarm On/Off Function. -Detecting: CO2 / Temperature / Humidity. -CO2 Alarm Value is 1000ppm, and Alarm Threshold can Adjusted from 800-2000ppm. -2000mAh Capacity Rechargeable Lithium Battery, 5V DC Micro USB Charging Cable. |
Shenzhen Langdeli Technology Co.,Ltd is a modernized comprehensive scientific research enterprise which was established in March 2013, located in Shenzhen City, Guangdong Province China.
It is mainly in the business of research and development, production, sales of all kinds of Testing instruments and tools , It has established extensive cooperative relations with partners in Netherlands,Spain, Germany ,France, Britain, Poland, Switzerland,Italy,Ireland, Romania,Chile, Mexico, the United States,Japan,korea etc.
At present, the factory is mainly producing and supplying of infrared carbon dioxide(CO2) monitor, negative oxygen ion detector, Ozone meter ,Dust PM2.5 monitor with TVOC and HCHO,NH3 meter , Noise meter monitor ,Radon gas analyzer,thermometer, etc. which all have passed CE, ROHS, PSE approved, distributed all over the world and has been highly recognized.
Since its establishment , the Company has won the title of China's national high-tech enterprise and is the top quality merchant of Alibaba for years,Production scale has 3000 square meters, and with 100 employees.
We has a strong independent research and development team, all Products are from its own private designs and have the apperance patents. It not only provides system solutions for various industries, but also provide product design and OEM services for customers .
1. Q: What items can this tester test?
A: It is a multifunctional tester that can test CO2, PM2.5, PM1.0, PM10, HCHO, TVOC, AQI, Temperature, Humidity.
2. Q: What is the test range of these gas?
A: AQI:0-500
CO2:400-5000 ppm
O3:0-5 ppm
NH3:0-50 ppm
PM2.5:0-999 ug/m³
HCHO:0.001-1.999 Mg/m³
TVOC:0.001-9.999 Mg/m³
3. Q:How about OEM or custom?
A:Sure, As professional and stable manufacture for manufacture factory, we can support many custom contents as below;
a. Printing logo on product .
b. Package, support custom pacakge. (We can send neutral artwork to client to design package)
c. Manual, support custom maual for many language,like English, German, Japanese, Spanish, Dutch, Polish
d. Some custom sticker, like Amazon FBA upc label... To meet clients requirement.
e. Customized software is also possible such as change the standard value , such as shoot logo display , such as customized language display Etc.
4. Q:What's certificate include?
A:a. CE and Rohs b. MSDS and UN38.3 c. ISO9001
5. Q:What products your factory produce ?
A:Multi-function Air quality monitor ( CO2 PM2.5,PM1.0,PM10,HCHO,TVOC ), CO2 Meter, Ozone Detector, NH3 Detector, Weather Station , Decibel Meter, Alcohol Tester, Multimeter, Radon Detector, Geiger Detector ( Nuclear Radiation Detector ), Electromagnetic Detector
6. Q:What are the payment methods ?
A:a. alibaba transaction guarantee (2% of the additional cost)
b. TT (Bank wire transfer ,an additional $25 per payment).
7. Q:What is the delivery time?
A:After confirm the order, it will take about 2-30 days to delivery goods depend on the order quantity .
Some models we have stocks , so 1-3 days will delivery goods;
Some models not in stocks, if quantity is small , 5-10 days;
Customized order, it will take 20-25 days normally;
For bulk orders up to 30000pcs , it will take 30 days.
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Audited Supplier 
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