| Model No. | MH-Z1311A |
| Detection gas | CO2 |
| Working Voltage | 5.0±0.1V DC |
| Average Current | 150uA (@5V power supply) |
| Peak Current | 90mA (@5V power supply) |
| Interface Level | 3.3 V(Compatible with 5V) |
| Detection range | 0~10000ppm(optional) |
| Output Signal | Serial Port (UART)(TTL level 3.3V) |
| Preheat Time | 10s |
| Response Time | T90 <60 s |
| Working Temperature | -10 ~ 50℃ |
| Working Humidity | 0 ~95% RH (No condensation) |
| Weight | 5g |
| Life Span | >10 years |
CO2 Sensor
MH-Z1311A NDIR CO₂ Sensor Module | Compact Infrared Carbon Dioxide Gas Sensor for HVAC
₹6,714.00 Price With Tax
MH-Z1311A NDIR CO2 Module for precise real-time carbon dioxide monitoring with stable digital output, ideal for HVAC, IAQ systems, and smart devices.
| Detection range: | 0~10000ppm optional |
| Detection principle: | non-dispersive infrared (NDIR) principle |
| Characteristics: | 1. The air chamber adopts electroplating treatment, waterproof and anti-corrosion 2. High sensitivity, low power consumption 3. Excellent stability 4. Temperature compensation, excellent linear output 5.RESET compliant |
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-Z1311A NDIR CO₂ Module is a compact and high-precision carbon dioxide gas sensor designed for accurate indoor air quality monitoring and ventilation control applications. Built using advanced Non-Dispersive Infrared (NDIR) technology, this module ensures stable performance, fast response, and long-term reliability.
The MH-Z1311A is engineered for seamless integration into HVAC systems, smart ventilation units, building automation systems, air purifiers, fresh air systems, and environmental monitoring devices. Its small form factor and low power consumption make it ideal for portable as well as fixed air quality monitoring equipment.
With built-in temperature compensation and automatic baseline calibration (ABC function), the MH-Z1311A delivers consistent and drift-resistant CO₂ readings. It provides real-time carbon dioxide concentration data, enabling improved ventilation efficiency, better indoor air quality management, and optimized energy savings.
Key Features:
- Advanced NDIR infrared CO₂ sensing technology
- Compact and lightweight module design
- High accuracy with excellent repeatability
- Wide detection range (model dependent)
- UART / PWM output options
- Automatic baseline calibration (ABC logic)
- Built-in temperature compensation
- Low power consumption for embedded systems
Applications:
- Indoor Air Quality (IAQ) monitoring devices
- HVAC and ventilation control systems
- Smart home and building automation
- Greenhouse CO₂ monitoring
- Environmental monitoring equipment
- Air purification and fresh air systems
| Weight | 0.200 kg |
|---|---|
| Dimensions | 12 × 6 × 6 cm |
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