MH-411D NDIR Infrared CO₂ Sensor | Industrial Grade Carbon Dioxide Gas Sensor Module

₹14,160.00 Price With Tax

MH-411D NDIR Infrared CO2 Sensor for accurate real-time carbon dioxide monitoring with stable analog output, ideal for HVAC, IAQ, and industrial control systems.

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

SKU: AA-MH411D-CO2 Category: CO2 Sensor Brand: winsen

Model	MH-411D-LOW
Detection Gas	CO2
WorkingVoltage	3.6~5VDC(Need to be powered by safety barrier)
Average Current	<30 mA
Detection range	0-10%volOptional(referTable2.)
Interface Level	3.0V
Output Signal	UART
Output Signal	0.4~2V(Need to be powered by safety barrier)
Warm-up time	3 min
Response time	T90<30s
Working Temperature	-20°C ~60°C
Working Humidity	0~95%RH(no condensation)
Sizes	Φ20 mm×22.2 mm
Weight	35g
Lifetime	>5 years
Defense Grade	IP54
Power, communication terminal Intrinsic safety	Ui=7.5VDC，Ii=265mA， Pi=0.5W，Ci=10μF，Li=0mH

15 Days Warranty

This product comes with a 15-day warranty starting from the date of delivery. The warranty covers manufacturing defects only. If a defect is confirmed, the item will be replaced.

Warranty will not apply if:

The product has been misused, dropped, or damaged.
It has been exposed to water, fire, chemicals, or static discharge.
It has been tampered with, soldered, or altered in any way.

The MH-411D NDIR Infrared CO₂ Sensor is an industrial-grade carbon dioxide detection module designed for accurate and continuous CO₂ monitoring. Built using advanced Non-Dispersive Infrared (NDIR) technology, this sensor ensures high precision measurement, excellent repeatability, and long-term stability.

Engineered for demanding industrial and environmental applications, the MH-411D provides reliable real-time CO₂ concentration data with strong resistance to interference. Its robust design and stable output make it ideal for integration into professional monitoring systems and automation equipment.

The MH-411D is widely used in industrial air quality monitoring systems, HVAC control units, environmental monitoring stations, greenhouses, laboratories, and building automation systems. It supports efficient ventilation management, regulatory compliance, and optimized indoor air quality control.

Key Features:

Advanced NDIR infrared CO₂ sensing technology
High accuracy with stable long-term performance
Wide detection range (model dependent)
Fast response time
Strong anti-interference capability
Analog and digital output options (as per configuration)
Suitable for continuous industrial operation

Applications:

Industrial CO₂ monitoring equipment
HVAC and ventilation control systems
Environmental monitoring stations
Smart building management systems
Agricultural and greenhouse CO₂ monitoring
Laboratory and research instruments

Weight	0.150 kg
Dimensions	12 × 6 × 6 cm

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