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Since 2013, we have more than 10 years of professional experience in producing measuring instruments.

Instrumentation

Dienmern's instrumentation offers numerous advantages for professionals in various industries. First and foremost, our instrumentation is designed with cutting-edge technology, ensuring accurate and reliable measurements.Additionally, our instrumentation is highly durable and built to withstand harsh environments, making it suitable for use in demanding conditions. Furthermore, our instruments are user-friendly, with intuitive interfaces and easy-to-use features, reducing the learning curve for operators.  Finally, our instrumentation is backed by excellent customer support, providing prompt assistance and guidance to ensure that customers have a seamless experience. With these advantages, professionals can trust Langdeli's instrumentation to enhance their workflow and drive efficiency in their operations.

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Mini CO2 Meter Color LED Screen Display
It is a CO2 Meter built in Infrared (NDIR) sensor real-time monitoring of Carbon dioxide (CO2),temperature,humidity on its display.It is with the 3-color symbols, which visualizes the CO2 level. when the CO2 concentration reaches the alarm value, then the monitor will trigger a danger alarm. Its small and exquisite body design makes it convenient for you to carry around. Whether placed in a pocket,backpack, or in a car, it can be checked anytime, anywhere.
Whether traveling, on a business trip, or in a newly renovated house, it can become your caring air quality guardian, safeguarding your health.
CO2 Meter
It is an advanced CO2 Meter built in high-quality Infrared ( NDIR )sensor to allow real-time monitoring of carbon dioxide (CO2),temperature and humidity.
Accurate measurement technology and reliable data display allow you to easily understand the changes in carbon dioxide in the air.If the CO2 concentration reaches the(set) all-alarm value, then the monitor will trigger a danger alarm.By monitoring the concentration of CO2 ,you can adjust the ventilation system reasonably, improve indoor air quality, and create a healthy and comfortable environment for you and others.
PM2.5 dust sensor monitor with tuya wifi
This product is a simple air quality detector that detects Particulate Matter PM2.5,Temperature and Humidity.It combines laser dust air sensor with a built-in fan to allow real-time monitoring of PM2.5 ,temperature and humidity on its display. It not only measures datas in real time, but also supports intelligent connection through Tuya WiFi, After connecting your phone, you can view real-time data anytime and anywhere.
PM2.5 Air quality detector 3 in one
This product is a simple air quality detector that detects Particulate Matter PM2.5,Temperature and Humidity.It combines laser dust air sensor with a built-in fan to allow real-time monitoring of PM2.5, temperature and humidity on its display. It is with the 3-color symbols, which visualizes the PM2.5 air quality. If the PM2.5 reaches the(set) all-alarm value, then the monitor will trigger a danger alarm.
PM2.5 Air quality detector
This product is a simple air quality detector that detects Particulate Matter PM2.5,Temperature and Humidity.It combines laser dust air sensor with a built-in fan to allow real-time monitoring of PM2.5 ,temperature and humidity on its display.If the PM2.5 reaches the(set) all-alarm value, then the monitor will trigger a danger alarm.
Multifunction Air quality Monitor 11 in One
This product is a multifunctional air quality detector that detects Carbon dioxide (CO2 ), Formaldehyde (HCHO) Total Volatile Organic Compounds(TVOC)Particulate Matter
Multi-function 11 in One Air quality monitor wireless with tuya wifi app
This product is an advanced multifunctional air quality monitor that combines various high-quality air sensors with a built-in fan to provide real-time monitoring of Carbon Dioxide (CO2),Particulate Matter (PM2.5/1.0/10), Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), Temperature, and Humidity with time on its digital LCD display. It not only measures various air quality datas in real time, but also supports intelligent connection and convenient operation through Tuya WiFi, After connecting your phone, you can view real-time data anytime and anywhere, making you familiar with the air quality around you.
Multi-function Air quality monitor 8 in one
This product is a multifunctional air quality detector that detects Formaldehyde (HCHO), Total Volatile Organic Compounds(TVOC), Particulate Matter
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Contact person: Grace Tan 
Tel: +86 13602516192
Monday - Friday: 9am - 7pm  Saturday: 10am-5pm
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