-
Detection Gas: Carbon Dioxide (CO₂)
-
Detection Range: 400 – 5000 ppm
-
Detection Principle: Non-Dispersive Infrared (NDIR)
-
Accuracy: ±(50 ppm + 5% of reading)
-
Output Interface: UART (3.3V TTL), PWM
-
Operating Voltage: 4.5 – 5.5V DC
-
Current Consumption: ≤ 20 mA (average), ≤ 150 mA (peak)
-
Response Time (T90): < 120 seconds
-
Operating Temperature: 0°C to +50°C
-
Operating Humidity: 0–90% RH (non-condensing)
-
Dimensions: 33 × 20 × 9 mm
-
Life Span: ≥ 5 years (typical indoor use)
Gas sensor, Gas sensors modules
MH-Z19B Sensor Module
₹2,549.00 Price With Tax
-
High-accuracy NDIR CO₂ sensor module
-
Measures 400 – 5000 ppm CO₂ concentration
-
UART and PWM output signals
-
Automatic baseline calibration (ABC)
-
Ideal for air purifiers, HVAC, smart home, and education
Availability: 54 in stock
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-Z19B is a compact, high-performance CO₂ sensor that uses NDIR (Non-Dispersive Infrared) technology to detect carbon dioxide concentrations in ambient air. With features like auto-calibration, low power consumption, and multiple output interfaces, it is perfectly suited for use in HVAC systems, air purifiers, IoT devices, smart homes, and educational kits.
It provides stable and accurate readings and is easy to integrate via UART or PWM output, making it ideal for indoor air quality monitoring.
| Weight | 0.100 kg |
|---|---|
| Dimensions | 1 × 1 × 5 cm |
Only logged in customers who have purchased this product may leave a review.
Reviews
There are no reviews yet.