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

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Dienmern offers a wide range of innovative products with numerous advantages. The Gas Detector ensures safety by promptly detecting any gas leaks, preventing potential hazards. The Noise Detector measures the sound level in various environments, allowing for optimal noise control. The Radiation Detector accurately detects and measures radiation levels, ensuring the well-being of individuals. The Recorder and Recorder Pen provide reliable and convenient ways to capture and document important audio and written information. The Surveillance Camera offers enhanced security and surveillance capabilities for both residential and commercial spaces. Lastly, the Digital Thermometer provides accurate and quick temperature measurements for various purposes, ensuring the well-being of individuals. With these advanced products, Dienmern helps customers address their unique needs effectively and efficiently.

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High-Precision New Handheld Air Quality Detector
lt is an advanced multifunctional air quality monitor that combines numerous different types of high-quality air sensors with a built-in fan to allow real-time monitoring of dust PM2.5/10/1, formaldehyde (HCHO), total volatile organic compounds(TVOC), air quality index(AQI) indication, temperature, humidity and time on its digital LCD display. It is easy to operate, quality assurance worth buying.
Portable Air CQuality Detector PM2.5/HCHO/TVOC Sensor Tester
lt is an advanced multifunctional air quality monitor that combines numerous different types of high-quality air sensors with a built-in fan to allow real-time monitoring of dust PM2.5/10/1, formaldehyde(HCHO), total volatile organic compounds(TVOC), air quality index (AQI) indication, temperature, humidity and time on its digital LCD display. It is easy to operate, quality assurance worth buying.
NH3 (ammonia) detector
In many gas environments, the presence of Ammonia is often overlooked,but its potential hazards should not be underestimated.This Ammonia detector integrates ammonia concentration, temperature,and humidity detection, using advanced sensor technology to accurately measure ammonia concentration.
O3 (ozone) meter Multifunction Air quality detector
This product is a multifunctional air quality detector that detects Ozone( O3), Total Volatile Organic Compounds (TVOC),Particulate Matter
( O3 ) Ozone detector
This advanced detector integrates ozone concentration, temperature, and humidity detection, using advanced sensors to ensure accurate measurement
of ozone concentration to tiny units.
Voice Recorder Pen
This is a superior voice recorder pen, a good partner in your business life. A pen shape won't bring so much attention when you are ready to record especially in some important business conferences.One click recording and 15 hours for lasting help to record the vital information timely. No afraid of losing files, when the power is low, it will save files automatically. Support voice activation. And it can be connected to the computers to transfer the recording files to the computer via USB cable. Very convenience and secret great quality voice recorder pen.
Voice Recorder
This is a highquality voice recorder that emphasizes strong portability and concealment, while still maintaining strong battery capacity and can be used for up to 70 hours for extended periods of time. Large internal storage of 128GB. Mini and light size with magnet built in adapts to classroom, office, business meeting records and other extensive occasions.
Wall mounted Alarm clock with temperature and humidity
It is a wall mounted time alarm clock with a clear and bright large screen. You can set three different alarm clocks for different times,Real time display of indoor temperature and humidity values provides important references for your health and comfortable life.The simple and stylish wall hanging style makes it easy to install on the walls of bedrooms, living rooms, study rooms,or offices, without occupying desktop space. The simple and intuitive operation interface allows you to easily set time,alarm clocks, and check temperature and humidity without cumbersome steps, and enjoy a convenient life.
Choose this wall mounted time alarm clock to make time management easy and efficient, keep track of environmental changes, and add order and warmth to your life.
Digital mini thermometer
It is an intelligent desktop temperature and humidity meter that clearly displays the current time, monitors and accurately displays the ambient
temperature and humidity in real time, records the maximum and minimum values of temperature and humidity, helps you fully understand the magnitude of environmental changes, and provides important references for your life and work.It supports Tuya WiFi and can be connected to a mobile phone to view
temperature and humidity data anytime, anywhere. Even when not at home, it can remotely monitor the environmental conditions at home,making care seamless.It is not only a measuring tool, but also an essential product for improving your quality of life and pursuing a comfortable environment.
Wall Mount Decibel Meter & Time Clock with WiFi
This product is a sound level decibel noise meter 5 in One.It adopts advanced acoustic sensors and precise measurement technology,real-time display noise, time,temperature and humidity on its LED screen.
Wall Mount sound level Decibel Meter 4 in one
This product is a sound level decibel noise meter 4 in One.It adopts advanced acoustic sensors and precise measurement technology, real-time display noise, time,temperature and humidity on its LED screen.
Wall Mount Decibel Meter
This product is a sound level decibel noise meter 3 in One.It adopts advanced acoustic sensors and precise measurement technology,real-time display noise, temperature and humidity on its LED screen.
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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
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