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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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Multifunctional Air quality monitor
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 (PM2.5/10), Formaldehyde (HCHO), Total Volatile Organic Compounds(TVOC), Temperature, and Humidity with time on its digital LCD display.
Desktop CO2 Quality Detector LED Display
It is an advanced carbon dioxide detection instrument built in high-quality Infrared ( NDIR ) sensor to allow real-time monitoring of carbon dioxide (CO2), temperature and humidity on its digital LED display.Accurate measurement technology and reliable data display allow you to easily understand the changes in carbon dioxide in the air. By monitoring the concentration of carbon dioxide,you can adjust the ventilation system reasonably, improve indoor air quality, and create a healthy and comfortable environment for you and others.
Desktop Portable Quality Detector PM2.5/HCHO/TVOC/AQI LCD Display
This detector is equipped with advanced sensors that can accurately detect PM2.5, PM10, PM1,formaldehyde(HCHO), TVOC (volatile organic compounds), temperature, and humidity key indicators in the air. With a unique historical recording function, it automatically stores detection data for a period of time, allowing you to easily trace the changes in air quality A concise and clear display screen, presenting detection results and historical data with clear charts and intuitive numbers. Without complex operations, you can easily understand the current situation of air quality and grasp key information at a glance.
CO2/PM.5 Quality Detector
This product is a desktop multi-functional air quality detector, which can detect carbon dioxide (CO2), as well as particles less than 2.5 microns (PM2.5/1.0/10).Intuitive numerical display shows temperature, humidity, time, electricity, air quality index, and carbon dioxide alarm function
Air Quality Co2 Temperature Humidity Detector Quick Sensing
This product is a multifunctional 8 in one air quality monitor that detects Carbon dioxide (CO2), Particulate Matter
Wall Mounted Decibel Meter with Tuya Wifi
This detection instrument adopts advanced sensor technology, which can accurately measure the concentration of carbon dioxide in the air and the level of environmental noise.
Wall Mounted Infrared Sensor Noise Meter
This detection instrument adopts advanced sensor technology, which can accurately measure the concentration of carbon dioxide in the air and the level of environmental noise.
Hot Selling Portable Digital Alcohol Detector
It adopts advanced sensor technology to ensure that every measurement accurately reflects the alcohol concentration in your body. Whether drinking in moderation or in large quantities, it can provide accurate and precise results, allowing you to have a thorough understanding of your own condition.
The innovative result download function is an exclusive service that we have thoughtfully created for you. The test results can be easily downloaded and saved, forming a personal drinking data file. You can visually see the trend of changes in alcohol consumption and concentration, which not only helps you self monitor and manage your drinking habits, but also provides strong evidence and reference when necessary.Simple design and easy operation. The process of downloading test results is also extremely simple, without complex steps, allowing you to enjoy convenience while feeling the caring
care brought by technology.
Air quality monitor 8 in one
It is a handheld multifunctional air quality detector that adopts advanced sensor technology. It can not only accurately detect the concentrations of PM2.5, PM10, and PM1.0 particles in the air, but also monitor formaldehyde, TVOC (volatile organic compounds), temperature, and humidity indicators in real time.High definition display screen, concise and clear operation interface, clear and intuitive icon and numerical display,allowing you to understand the air quality status at a glance.Whether it's a newly renovated house, a smoke filled conference room, or a damp basement, it can quickly identify potential air issues.
Professional CO2 Detector LED Display
CO2 Quality Detector LED Display Temperature and Humidity Sensor Tester Air Monitor,with USB Charing Port
Air Quality Detector Three Colors
This product is an Square shaped CO2 Meter without display.It is built in infrared (NDIR) sensor real-time monitoring of Carbon dioxide (CO2).It has different colors dispay to visualizes the CO2 air quality. It not only measures CO2 in real time, but also supports intelligent connection through Tuya WiFi, After connecting your phone, you can view real-time data anytime and anywhere.
CO2/PM2.5 Quality Detector Large LED Dispaly
Say goodbye to the cramped and blurry small screen, we bring you a large, clear, and bright screen. No matter where you are in the room,you can easily obtain various key indicators of current air quality at a glance. PM2.5,CO2, temperature, humidity datas are presented in intuitive numbers and vivid 3-color emoji symbols, allowing you to have a thorough understanding of indoor air conditions.
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Factory Address : 1st-2th-3th-4th-5th-6th Floor, Building 1, No. 13 Lefeng Fourth Road, Henglan Town, Zhongshan City, Guangdong Province China


office Address :703, Building A, Fenghuang Zhigu, No. 50, Tiezai Road, Gongle Community, Xixiang Street, Shenzhen City, Guangdong Province China

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Contact person: Grace Tan 
Tel: +86-0755-2912-8682
E-mail:sales@Langder.com
             sales01@hotgooo.cn
Wechat ID: +8613602516192             Whatsapp: +8613602516192          Mobile: +8613602516192  
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