--- product_id: 149404984 title: "MH-Z19 Infrared CO2 Sensor Module MH-Z19B Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B" brand: "icquanzx" price: "€ 0.01" currency: EUR in_stock: false url: https://www.desertcart.hr/products/149404984-mh-z19-infrared-co2-sensor-module-mh-z19b-carbon-dioxide store_origin: HR region: Croatia --- # Anti-water vapor interference Multi-output modes: UART, PWM, Analog Built-in temperature compensation MH-Z19 Infrared CO2 Sensor Module MH-Z19B Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B **Brand:** icquanzx **Price:** € 0.01 **Availability:** ❌ Out of Stock ## Summary > 🌬️ Breathe smarter, monitor sharper — the future of air quality sensing is here! ## Quick Answers - **What is this?** MH-Z19 Infrared CO2 Sensor Module MH-Z19B Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B by icquanzx - **How much does it cost?** € 0.01 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/149404984-mh-z19-infrared-co2-sensor-module-mh-z19b-carbon-dioxide) ## Best For - icquanzx enthusiasts ## Why This Product - Trusted icquanzx brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust & Reliable:** Gold-plated gas chamber resists corrosion and water vapor for long-lasting performance. - • **Energy Efficient Design:** Low power consumption (<20mA avg) keeps your projects sustainable and cost-effective. - • **Plug & Play Integration:** Compact, 5V compatible module with quick 3-minute warm-up for rapid deployment. - • **Precision CO2 Detection:** NDIR tech delivers accurate 400-5000ppm readings for smarter air quality insights. - • **Versatile Signal Outputs:** Seamlessly integrates with UART, PWM, and analog interfaces for flexible system design. ## Overview The MH-Z19B is a compact, high-sensitivity NDIR CO2 sensor module designed for precise air quality monitoring within 400-5000ppm range. Featuring built-in temperature compensation, multiple output modes (UART, PWM, analog), and a corrosion-resistant gold-plated gas chamber, it offers reliable, low-power operation ideal for HVAC, smart home, and environmental applications. ## Description The MH-Z19B carbon dioxide gas sensor (hereinafter referred to as sensor) is an intelligent all-purpose small sensor that uses the NDIR (Non-Dispersive Infrared) principle to detect the presence of CO2 in the air with good selectivity and anaerobic properties, gas dependence, long life and other properties. Built-in temperature compensation. Simultaneously with serial output, analog output and PWM output, easy to use. The sensor is a high-performance sensor that combines sophisticated infrared absorption gas detection technology with precise beam path design and sophisticated circuit design. Parameters: Product Model Number:MH-Z19B Gas detection: carbon dioxide. Supply voltage: 4.5 ~ 5.5 V DC. Average current: <20 mA (at 5 V power supply). Peak current: 150 mA (at 5 V supply). Interface Level: 3.3V (5V Compatible) Measuring range: 400~5000ppm can be selected within the range Warm-up time: 3 minutes. Response time: T90 <120s. Operating temperature: 0 - 50 °C. Humidity: 0 to 95% RH (non-condensing). Features Gas chamber with gold plating, waterproof and corrosion resistant. High sensitivity, low power consumption. Excellent stability Temperature compensation, excellent linear output Provides serial (UART), analog (DAC) and PWM signal output methods Long-lasting. Water vapour interference, no poisoning. Applications: HVAC refrigeration technology Air Quality Monitoring Equipment Fresh air system. air purifying devices Smart Home SCHOOL Vin: Power Positive (Vin) GND: Negative Power Supply (GND) Vo: analogue output. PWM: PWM. HD: HD (zero for school, low for more than 7 seconds) Rx: TTL level data input for UART (RXD) Tx: TTL data output with UART (TXD) level. Pin 1: Analog Output Vo ## Features - This gas sensor MH-Z19 C02 has a high sensitivity and resolution. - Provide a variety of output modes for forms, e.g. UART and PWM Wave. - Anti-water vapor interference, no poisoning. - With temperature compensation, excellent linear output. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07VD15YRP | | Alarm | Visual | | Best Sellers Rank | 585,457 in DIY & Tools ( See Top 100 in DIY & Tools ) 148 in CO2 Detectors | | Brand | ICQUANZX | | Colour | Yellow | | Customer Reviews | 3.9 3.9 out of 5 stars (90) | | Item Weight | 0.02 Kilograms | | Manufacturer | ICQUANZX | | Model Number | 00963 | | Operating Humidity | 95 percent | | Part Number | 00963 | | Power source | Corded Electric | | Product Style | Compact | | Sensor Type | gas sensor | | Unit Count | 1.0 count | | Upper Temperature Rating | 50 Degrees Celsius | ## Product Details - **Alarm:** Visual - **Brand:** ICQUANZX - **Colour:** Yellow - **Item weight:** 0.02 Kilograms - **Operating humidity:** 95 percent - **Power source:** Corded Electric - **Sensor type:** gas sensor - **Style:** Compact - **Unit count:** 1.0 count - **Upper temperature rating:** 50 Degrees Celsius ## Images ![MH-Z19 Infrared CO2 Sensor Module MH-Z19B Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B - Image 1](https://m.media-amazon.com/images/I/61zEfNSrMOL.jpg) ![MH-Z19 Infrared CO2 Sensor Module MH-Z19B Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B - Image 2](https://m.media-amazon.com/images/I/61cdwpQ8SmL.jpg) ![MH-Z19 Infrared CO2 Sensor Module MH-Z19B Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B - Image 3](https://m.media-amazon.com/images/I/61GI3psGzsL.jpg) ## Frequently Bought Together - ICQUANZX MH-Z19 Infrared CO2 Sensor Module MH-Z19B Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B - Elegoo 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/149404984-mh-z19-infrared-co2-sensor-module-mh-z19b-carbon-dioxide](https://www.desertcart.hr/products/149404984-mh-z19-infrared-co2-sensor-module-mh-z19b-carbon-dioxide) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-14*