MQ 750TR Product Overview

Introduction

The MQ 750TR is a versatile electronic component that belongs to the category of gas sensors. This sensor is widely used in various applications to detect and measure the concentration of specific gases in the surrounding environment. The MQ 750TR is known for its reliable performance, precise measurements, and ease of integration into different systems.

Basic Information Overview

• Category: Gas Sensor
• Use: Detection and measurement of specific gases
• Characteristics: Reliable, precise, easy to integrate
• Package: Compact design
• Essence: Gas detection and measurement
• Packaging/Quantity: Typically sold individually or in small quantities

Specifications

• Operating Voltage: 5V DC
• Power Consumption: <150mW
• Heater Resistance: 31Ω ± 3Ω
• Sensing Resistance: 2KΩ - 20KΩ in 100ppm H2S
• Sensitivity: >3%
• Response Time: <10s
• Recovery Time: <30s
• Operating Temperature: -10°C to 50°C
• Operating Humidity: <95% RH

Detailed Pin Configuration

1. VCC (5V)
2. GND (Ground)
3. Analog Output
4. Digital Output

Functional Features

• Gas Detection: Capable of detecting various gases such as H2S, CO, LPG, and more.
• Analog and Digital Output: Provides both analog and digital signals for flexibility in integration.
• Fast Response Time: Rapid detection and measurement of gas concentration changes.
• Low Power Consumption: Energy-efficient operation for prolonged use.

Advantages and Disadvantages

Advantages

• Precise and accurate gas detection
• Easy to interface with microcontrollers and systems
• Compact and robust design
• Wide range of detectable gases

Disadvantages

• Sensitivity may be affected by environmental factors
• Regular calibration may be required for optimal performance

Working Principles

The MQ 750TR operates based on the principle of gas absorption onto the sensor's surface, which leads to a change in its electrical conductivity. When the target gas is present, the sensor's resistance changes, allowing the measurement of gas concentration. This change is then converted into an electrical signal for further processing.

Detailed Application Field Plans

The MQ 750TR finds extensive application in various fields, including: - Industrial safety monitoring - Environmental monitoring - Gas leakage detection in domestic and commercial settings - Automotive emissions control systems - Air quality monitoring in smart cities

Detailed and Complete Alternative Models

1. MQ-2: General purpose gas sensor
2. MQ-3: Alcohol vapor sensor
3. MQ-7: Carbon monoxide sensor
4. MQ-135: Air quality sensor

In conclusion, the MQ 750TR gas sensor offers a reliable and efficient solution for gas detection and measurement across diverse applications. Its advanced features, precise functionality, and compatibility with different systems make it a valuable component in the field of gas sensing technology.

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