O3 Detection Device Air Quality Detector Handheld O3 Concentration Detector

• Customization: Available
• After-sales Service: Yes
• Warranty: a Year
• Model NO.: DM509-O3
• Customized: Customized
• Portable: Portable
• Certification: FCC, CE, RoHS
• Gas: O₃
• Type: Electrochemical Gas Analyzer
• Transport Package: Toolbox
• Specification: 26*20*6CM
• Trademark: not have
• Origin: Shenzhen, China
• HS Code: 9027100090
• Production Capacity: 50000 Pieces/Year

Product Description

Company Profile



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 tester test? 
A:  It is a multifunctional tester that can test CO2, PM2.5, TVOC, HCHO(Formaldehyde), Temperature and Humidity 



2.Q: What is the test range of CO2? 
A: CO2 test range: 400-5000ppm


3.Q: What is the test range of PM2.5, TVOC and HCHO(Formaldehyde)? 
A: 
PM2.5 test range: 0-999 ug/M3
TVOC test range: 0.001-9.999mg/M3
HCHO test range: 0.001-9.999mg/M3


4.Q: What is the standard range for CO2?
A:         Good        400-1000
           Medium      1001-2000
           Unhealthy   >2000


5.Q: What