Desktop Temperature and Humidity Meter Mini CO2 Detector Exceeding Limit Alarm

• Warranty: One Year Warranty
• Brand: Dienmern
• Customized: Non-Customized
• Portable: Portable
• Certification: CE, RoHS
• Gas: CO2
• Model NO.: DM77
• Type: Infrared Absorption Analyzer
• Product Name: Mini CO2 Meter
• Material: ABS
• Sensor Type: Infrared
• Measure Components: CO2
• Power Supply: 2000mAh Lithium Battery Rechargeable
• Usage: Indoor /in Car /New House /Bedroom
• Certificate: CE RoHS
• Detection Range: CO2 : 400-5000 Ppm
• Transport Package: Color Box
• Specification: 0.25kg
• Origin: China
• HS Code: 9027100090

Product Description

Professional Gas Detector CO2 Temperature Humidity Monitor LED Carbon Dioxide Home Security Protection Detecting Gauge Meter





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.


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
9.Multimeter

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