Winsen Mh-410D Ndir Co2 Sensor


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SKU: 1278801
  1. Product: CO2 SENSOR
  2. Model: MH-410D
  3. Working Voltage: 3.6~5V DC
  4. Average Current: <85 mA
  5. Response time: T90<30s
  6. Working Temperature: -20°C ~60°C


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Brand: Winsen
Category: Gas and Dust Sensor

MH-410D infrared CO2 sensor is a miniature universal intelligent sensor, which adopts NDIR theory to detect concentration of CO2 in air and has good selectivity, stable performance, long life, also is independent of Oxygen. The inside temperature sensor could be used for temperature compensation. This miniature infrared gas sensor is developed by the tight integration of mature infrared absorbing gas detection technology, micro machine workout and superior circuit design.

NDIR CO2 sensors monitor and detect for the presence of carbon dioxide based on the absorption of infrared light at a specific wavelength. An NDIR sensor comprises an infrared source, a light tube, a bandpass filter, and a detector. The target gas is determined through the filter wavelength choice.

Why we need it.

Carbon dioxide monitors are a good way to monitor constantly busy rooms and can help in increasing air ventilation to reduce the impacts of COVID-19. It is also vital to monitor CO2 levels to ensure compliance to government notice BB101.


Widely used for HVAC refrigeration, air monitoring indoor, industrial-process control and safety
protection, agriculture and animal husbandry


  1. High sensitivity, high resolution, low power consumption
  2. Output method: UART, analog voltage signal
  3. Fast response time
  4. Temperature compensation, excellent linear output
  5. Excellent stability
  6. Long lifespan
  7. Anti-poisons, anti-vapor interference

Package Includes: 

1 x Winsen MH-410D NDIR CO2 SENSOR

SKU: 1278801 Category:


Detection Gas


Working Voltage

3.6~5V DC

Average Current

<85 mA

Interface Level


Detection range

0-5%vol Optional(refer Fig2.)

Output Signal

UART 0.4~2V

Warm-up time

3 min

Response time


Working Temperature

-20°C ~60°C

Working Humidity

0~95%RH(no condensation)


>5 years

Defense Grade






Shipping Weight 0.034 kg
Shipping Dimensions 11 × 8 × 5 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China