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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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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. When the ammonia concentration exceeds the standard, the detector will quickly sound an alarm, allowing you to take measures in the first time and avoid potential dangers.it is with historical recording function, it automatically stores detection data for a period of time, allowing you to easily trace the ozone concentration changes in air.Whether in industrial sites, agricultural warehouses, or laboratories, it can quickly capture subtle changes in ammonia gas, ensuring that you are well aware of the environmental conditions.
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. Whether it is the presence of low concentrations of ozone or potential threats at high concentrations, they can be
keenly captured to provide you with reliable data support. Once the ozone concentration exceeds the safe range, a clear sound alarm will be immediately
issued, allowing you to quickly take measures to ensure personnel safety and environmental quality.Lightweight and portable appearance design, high-end suitcase packaging,convenient for you to carry to any place that needs to be tested.With historical recording function, it automatically stores detection data for a period of time, allowing you to easily trace the ozone concentration changes in air.
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. It is with the 3-color emoji and bar symbols, which visualizes the noise level.It doesn't take up space and can be easily hung on the wall. It not only measures 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. It allows you to have a clear understanding of the noise level in order to take effective noise reduction measures,it creates a peaceful and comfortable environment for you, safeguarding your living and working space.
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. It is with the 3-color emoji and bar symbols, which visualizes the noise level. It doesn't take up space and can be easily hung on the wall. Whether it's an office, factory workshop, school, or hospital, it can provide you with reliable noise data.
It allows you to have a clear understanding of the noise level in order to take effective noise reduction measures.such wall mounted noise meter creates a peaceful and comfortable environment for you, safeguarding your living and working space.
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. It is with the 4-color emoji symbols, which visualizes the noise level. It doesn't take up space and can be
easily hung on the wall. Whether it's an office, factory workshop,school, or hospital, it can provide you with reliable noise data.It allows you to have a clear understanding of the noise level in order to take effective noise reduction measures. such wall mounted noise meter creates a peaceful and comfortable environment for you, safeguarding your living and working space.
Nuclear Radiation Geiger Detector
It is a radiation dose alarm instrument also called Geiger Muller counter,built-in high sensitivity Geiger tube as a detector, mainly used for monitoring the radiation of x, y and hard beta rays in various radioactive workplaces, with fast response and wide measurement range. It can display the current dose rate and accumulated dose rate. Widely used in nuclear power plants,accelera-tors, iron and steel, chemical industry, isotope application,industrial X-y, radiological medical treatment, cobalt source treatment, y radiation, radiological laboratories.
Multi-function Air quality monitor 9 in One
This product is a multifunctional air quality detector that detects Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC),Particulate Matter
Mini Metal CO2 Air Detector
It is a carbon dioxide detection instrument made of metal material,built in high-quality Infrared ( NDIR ) sensor to allow real-time monitoring of carbon dioxide (CO2), temperature and humidity on its 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.
Metal CO2 Air Detector
It is a carbon dioxide detection instrument made of metal material,built in high-quality Infrared ( NDIR ) sensor to allow real-time monitoring of carbon dioxide (CO2), temperature and humidity on its 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.
MINI CO2 Meter 3 in one
This product is a CO2 Meter 3 in One that detects Carbon dioxide (CO2),Temperature, and Humidity. it combines Infrared (NDIR) sensor real-time monitoring of Carbon dioxide (CO2) with temperature, and humidity on its display.It is with the 3-color emoji symbols, which visualizes the CO2 air quality. if the CO2 concentration reaches the(set) all-alarm value, then the monitor will trigger a danger alarm.
Mini CO2 Meter 3 in one  Carbon dioxide (CO2) temperature humidity
This product is a CO2 Meter ,it combines Infrared (NDIR) sensor real-time monitoring of Carbon dioxide (CO2), temperature, humidity on its display. It is with the 3-color emoji symbols that visually display the concentration of CO2. if the CO2 concentration reaches the(set)all-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.
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Contact person: Grace Tan 
Tel: +86 13602516192
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