1PCS MQ-136 MQ136 Hydrogen Sulfide H2S Detection Gas Sensor Module with Alarm Signal Light
MQ-5 gas sensor has high sensitivity to butane, propane, and methane, making it suitable for detecting a variety of combustible gases, especially natural gas.
1PCS MQ-136 MQ136 Hydrogen Sulfide H2S Detection Gas Sensor Module with Alarm Signal Light
Artigo n.º: 17535585

1PCS MQ-136 MQ136 Hydrogen Sulfide H2S Detection Gas Sensor Module with Alarm Signal Light

Artigo n.º: 17535585

MZN 2198

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Encomende já e receba por volta de Sexta-Feira, Setembro 04
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MQ-5 gas sensor has high sensitivity to butane, propane, and methane, making it suitable for detecting a variety of combustible gases, especially natural gas.
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O que se Destaca

Comprehensive Sensor Set
Includes nine diverse sensors, enabling users to explore various gas detection applications efficiently. This starter kit is perfect for beginners and enthusiasts seeking to learn about gas sensing technology.
User-Friendly Design
The kit is organized with clear labeling and connections, ensuring easy assembly and use. It is ideal for educational purposes, allowing users to quickly grasp concepts of gas detection.
Versatile Applications
Designed for a range of applications from air quality monitoring to environmental science projects. This flexibility makes it suitable for both DIY projects and educational settings, providing exceptional value.

Detalhes do produto

Shop 1PCS MQ-136 MQ136 Hydrogen Sulfide H2S Detection Gas Sensor Module with Alarm Signal Light online at a best price in Mozambique. B0783BHG7S
AlarmAudible
Sensor Typegas sensor
Operating Humidity95 percent
Item Dimensions D x W x H1.38"D x 1.57"W x 1.1"H (3.5 x 4 x 2.8 cm)
Item Weight0.02 Kilograms
BrandHUABAN
Model NumberMQ-139
ManufacturerHUABAN
Mfr Part NumberMW-Sensor-Gas-MQ-139-1PCS
Unit Count1 Count
Product Dimensions (L x W x H)1.38"D x 1.57"W x 1.1"H (3.5 x 4 x 2.8 cm)

Quem Deverá Comprar?

Suitable For
  • Hobbyist Enthusiasts

    Ideal for electronics enthusiasts looking to experiment with various gas sensors for creative projects.

  • Educational Purposes

    Great for students and educators to explore concepts of gas sensing and environmental monitoring in a hands-on approach.

  • Prototyping Developments

    Suitable for developers needing quick prototyping capabilities with diverse gas detection configurations in IoT applications.

Not Suitable For
  • Professional Installations

    Not suited for critical applications requiring robust and calibrated industrial-grade gas sensors due to precision needs.

DESCRIÇÃO DO PRODUTO

1PCS MQ-136 MQ136 Hydrogen Sulfide H2S Detection Gas Sensor Module with Alarm Signal Light

Tem alguma Dúvida? Converse connosco

Perguntas e respostas do cliente

  • Pergunta: What is the MQ-5 LPG Gas City Sensor Module used for?

    Resposta: The MQ-5 LPG Gas City Sensor Module is designed for detecting LPG (Liquefied Petroleum Gas) concentrations in the air. This module is ideal for applications in leak detection systems for home and industrial use, providing reliable readings in real-time. With its sensitive and accurate sensor technology, it can identify gas leaks early, helping prevent potential hazards and accidents. It's commonly used in safety systems, smart homes, and various automation projects.
  • Pergunta: How does the MQ-5 sensor detect gases?

    Resposta: The MQ-5 sensor utilizes a tin dioxide (SnO2) thin film to detect LPG concentrations. Under clean air conditions, the sensor's resistance is high. When LPG gas is present, the sensor’s resistance decreases, allowing it to measure the concentration of gas in the environment. This detection mechanism is efficient and quick, enabling users to monitor air quality in various industrial and residential settings.
  • Pergunta: What is the operating voltage for the MQ-5 LPG sensor?

    Resposta: The MQ-5 LPG sensor operates at a voltage range of 5V to 12V, making it compatible with a variety of microcontroller platforms such as Arduino. This flexibility allows hobbyists and developers to easily integrate the sensor into their projects. The sensor's wide voltage compatibility ensures it can be used in many designs without needing extensive modifications.
  • Pergunta: Can I use the MQ-5 sensor for home safety applications?

    Resposta: Absolutely! The MQ-5 sensor is perfect for home safety applications. It provides an essential function by detecting LPG leaks before they can lead to major incidents. Homeowners can use this sensor in gas detection systems to ensure a safe living environment. Integrating it with alarm systems can greatly enhance safety measures in households that use gas for cooking or heating.
  • Pergunta: What microcontrollers are compatible with the MQ-5 sensor?

    Resposta: The MQ-5 LPG Gas City Sensor Module is compatible with various microcontrollers, including Arduino, Raspberry Pi, and ESP8266. This compatibility makes it a favorite among DIY enthusiasts and developers for various projects. By connecting the sensor to these platforms, users can create sophisticated applications such as automated gas leak monitoring systems, enhancing home and industrial safety.
  • Pergunta: What are the key specifications of the MQ-5 sensor?

    Resposta: The MQ-5 sensor has several key specifications, including a voltage range of 5V to 12V, an output type of analog voltage, and a response time of approximately 10 seconds. It has a wide detection range for gases, typically from 300 to 10,000 ppm. These specifications make the MQ-5 a versatile sensor for measuring gas concentrations in various environments, ranging from residential areas to industrial applications.
  • Pergunta: How can I integrate the MQ-5 sensor into my home automation system?

    Resposta: To integrate the MQ-5 sensor into your home automation system, you can connect it to a microcontroller like Arduino or Raspberry Pi. After wiring the sensor correctly, you can write a code to monitor its output and trigger notifications or alarms when gas levels exceed safe thresholds. This integration allows for proactive safety measures and remote monitoring via smartphones or other devices.
  • Pergunta: What factors can affect the performance of the MQ-5 sensor?

    Resposta: Several factors can affect the performance of the MQ-5 sensor, including humidity, temperature, and the presence of other gases. High humidity levels may lead to inaccurate readings, while extreme temperatures can impact sensor sensitivity. Regular calibration is advisable to maintain the accuracy of the sensor in various environments. Understanding these factors ensures reliable gas detection and enhances safety.
  • Pergunta: What safety measures should I take when using the MQ-5 sensor?

    Resposta: When using the MQ-5 sensor, it's crucial to place it in well-ventilated areas to ensure accurate readings. Avoid any obstructions that might hinder gas flow. Regular maintenance checks should be conducted to ensure the sensor is functioning correctly. Additionally, integrating the sensor into a broader safety system, such as alarms or notification devices, amplifies its effectiveness in providing safety alerts.
  • Pergunta: Where can I buy the 2 Pack MQ-5 LPG Gas City Sensor Module in Mozambique?

    Resposta: You can buy the 2 Pack MQ-5 LPG Gas City Sensor Module from Ubuy, which offers a reliable shopping experience. Ubuy provides access to this product along with a variety of other electronic components. By shopping at Ubuy, you can find the necessary sensors for your projects with the convenience of delivery options suited to your needs.

HUABAN Gas Detectors & Alarms MQ-139 Editorial Review

This review provides an in-depth analysis of the MQ-138 gas sensor module, which is suitable for tracking changes in VOC levels in real-time, detecting their presence or setting an alarm at a certain gas threshold. In particular, the module is sensitive to acetone fumes, but it does not provide precision readings for PPM. While the MQ-138 is not super accurate, it is very reactive to gases and provides useful data. It has a preheat time of 48 hours but does not necessarily need to be heated for hours on end every time it is powered on. It is a variable resistor and has humidity and temperature influences, but the resistance of the sensor component stabilizes after 24 hours. The MQ-138 works as a stand-alone module, emitting an LED signal for specific concentration levels but needs an analog pin (AOUT) for approximations of the actual gas level, which can be achieved by using an Adruino or MCP3008. The pinout on the sensor component is also discussed. Finally, a drawback of this module is the long warm-up time, several hours, and its relative inaccuracy for ppm readings.

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Prós

  • Reactive to different gas types
  • Useful for tracking changes in real-time
  • Works as a stand-alone module with LED signal
  • Detects the presence of gas
  • Provides useful data

Contras

  • Not super accurate

CONFIANÇA NA PLATAFORMA E SEGURANÇA DO COMPRADOR

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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  • Limitações: para produtos expedidos internacionalmente, tenha em atenção que qualquer garantia do fabricante pode não ser válida; opções de serviço do fabricante podem não estar disponíveis; manuais de produtos, instruções e avisos de segurança podem não estar nas línguas do país de destino; os produtos (e materiais que o acompanham) pode não ter sido concebido em conformidade com as normas, especificações e requisitos de rotulagem do país de destino; e os produtos podem não estar em conformidade com a voltagem e outras normas elétricas do país de destino (requerendo assim o uso de um adaptador ou conversor caso seja apropriado). O destinatário é responsável por garantir que o produto pode ser legalmente importado para o país de destino. Quando encomenda à Ubuy ou aos seus afiliados, o destinatário é o importador de registo e deve estar em conformidade com todas as leis e regulamentos do país de destino.
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