Langder 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 :
1. All kinds of air quality montior detectors
including :
-CO2 Meter with wirelss TUYA WIFI app
-WALL mount CO2 Meter
-Mini Smart CO2 Meters
-Mult-function Air quality monitor test CO2 pm2.5,PM1.0,PM10,HCHO,TVOC
2. Decibel Meter
3.Decibel & CO2 Meter
4.Ozone ( O3 ) Meter
5.NH3 Detector Meter
6.Weather station with TUYA WIFI APP
7.Alcohol Tester
8.Radiation detector
our ceritificates : CE, ROHS, PSE Battery MSDS
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.
Langder 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 .
FAQ
1.Q: What items can this detector test?
A: It is a multifunctional radiation detector, it's mainly used to detect the radiation of X, γ and hard β rays in various radioactive workplaces, and can display the current dose rate and cumulative dose rate of the workplace.
2.Q: Where can this detector be used?
A: The detector can be used for ionizing radiation monitoring for staff in various fields, such as nuclear power plants, accelerators, steel, chemical industry, isotope applications, industrial X-γ radioactive medical treatment, cobalt source therapy, gamma radiation, and iodine 131 radioactive laboratory, environmental monitoring around nuclear facilities.
3.Q: What's special about this product?
A:
Test variable: can detect the radiation of X, γ and hard β rays in various radioactive workplaces.
Can measure and display both dose rate and cumulative dose at the same time.
User can switch multiple radiation dose rate units such as μSv/h,μGy/h, mR/h, cps, cpm
With sound alarm when dose rate and cumulative dose are over threshold.
User can adjust the threshold of dose rate and cumulative dose.
With date and time display, user can adjust the date and time.
User can adjust the screen brightness.
4.Q: What is the test range of dose rate and cumulative dose?
A:Dose rate: 0.01~1000μSv/h
Cumulative dose: 0.01 μSv~500.0 mSv
5.Q: What is the standard range for radiation do rate?
A: The recommended safe value is below 0.5μSv/h. However, different countries may have different standard and regulations on this, and there may also be special standard and regulations in specific occasions.
6.Q: What is the operation temperature and humidity?
A:
Operation temperature range: -10°C - 45°C
Operation humidity test range: <85%
7.Q: How to charge it?
A: DC 5V(1A-2A) port charging line which is included in the standard accessories.
We also offer adapter(Like US adapter, Europe adapter...) if add extra cost.
8.Q: How about OEM or customization?
A: 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 package(We can send neutral artwork to client to design package)
c> Manual, support custom manual 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 .
9.Q: What certifications are included?
A:
a> CE and Rohs
b> MSDS and UN38.3
c> ISO9001
10.Q: What products your factory produce?
A:
- Portable ionizing radiation detector /Nuclear radiation detector
-Radon detector
-Electromagnetic radiation detector
-Multifunctional Air quality monitor test CO2 pm2.5,PM1.0,PM10,HCHO,TVOC
-CO2 Meter with wirelss TUYA WIFI app
-WALL mount CO2 Meter
-Mini Smart CO2 Meters
-Decibel Meter
-Decibel & CO2 Meter
-Ozone ( O3 ) Meter
-NH3 Detector Meter
-Weather station
-Alcohol Tester
-Multimeter(AVO meter)
11.Q: What are the payment methods?
A :
(1) Alibaba transaction guarantee (2% of the additional cost)
(2) TT (Bank wire transfer ,an additional $25 per payment).
12.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
Audited Supplier 
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