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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.
| Power supply | rechargeable lithium battery 2000mah |
| Sensor type | Electret Condenser microphone |
| Test range | 30-130dBA |
| Frequency response range | 31.5Hz - 8.5KHz |
| Frequency weighting | A |
| Accuracy | ±1.5dB |
| Resolution | 0.1 dBA |
| Display Parameters | Decibel,Temperature, Humidity |
| data logging | support |
| data download | support |
| Storage format | * CSV |
| Storage Capacity | 4000 pieces of datas |
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.
At present, the factory is mainly producing and supplying :
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
our ceritificates : CE, ROHS, PSE Battery MSDS
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 customers .
FAQ :
1 Q: What is the unit of the testing ?
A : Sound Noise Level ,Temperature , Humidity
2 . Q: What is the standard range?
A : 30-130dBA
Customized standard grade about the smile face :
59.99 and below = Green color
60.00-74.99 = Yellow color
75.00-84.99 = Orange color
85.00 and above = Red color
3.Q: What is the accuracy of the test ?
A : +/-1.5dBA
4. Q: What is the standard range for Temperature and Humidity ?
A : Temperature Test Range: 0-50ºC
Humidity Test Range 0-95%RH ;
5. Q: How to charge it?
A: DC 5V(1A-2A) port charging line which is included in the standard accessories .
We also offer adapter(Like US adapter, Europe adapter...) if add extra cost.
6. Q: How about OEM or custom?
A: Sure, As professional and stable manufacture for manufacture factory, we can support many custom contents as below;
a Printing logo on product .
b Package, support custom pacakge(We can send neutral artwork to client to design package)
c Manual, support custom maual for many language,like English, German, Japanese, Spanish, Dutch, Polish
d. some custom sticker, like Amazon FBA upc label... To meet clients requirement.
e. Customized software is also possible such as change the standard value , such as shoot logo display , such as customized language display Etc .
7. Q: what's certificate include?
A:
1.CE and Rohs
2. MSDS and UN38.3
3. ISO9001
8. Q: What products your factory produce ?
A:
-Multifunctional Air quality monitor test CO2 pm2.5,PM1.0,PM10,HCHO,TVOC
-CO2 Meter with wirelss TUYA WIFI app
-WALL mount CO2 Meter
-Mini Smart CO2 Meters
-Decibel Meter
-Decibel & CO2 Meter
-Ozone ( O3 ) Meter
-NH3 Detector Meter
-Weather station
-Alcohol Tester
-Radiation detector
-Multimeter
-Electromagnetic radiation detector
-Radon detector
9.Q: What is the delivery time ?
A:
After confirm the order, it will take about 2-30 days to delivery goods depend on the order quantity .
some models we have stocks , so 1-3 days will delivery goods
some models not in stocks, if quantity is small , 5-10 days
Customized order, it will take 20-25 days normally
for bulk orders up to 30000pcs , it will take 30 days .
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