BK/GMQ-4 English Editing Encyclopedia Entry

Product Overview

BK/GMQ-4 is a sensor module designed for gas detection and measurement. This product falls under the category of gas sensors and is widely used in various industrial and commercial applications. The sensor module is known for its high sensitivity, accuracy, and reliability. It comes in a compact package and is essential for monitoring and controlling gas levels in different environments.

Basic Information Overview

• Category: Gas Sensor Module
• Use: Gas detection and measurement
• Characteristics: High sensitivity, accuracy, reliability
• Package: Compact design
• Essence: Monitoring and controlling gas levels
• Packaging/Quantity: Standard packaging with specified quantity

Specifications

The BK/GMQ-4 sensor module is equipped with the following specifications: - Detection Gas: Liquefied petroleum gas (LPG), natural gas, coal gas - Sensitivity: Adjustable - Operating Voltage: 5V DC - Analog Output Voltage: 0V to 5V - Digital Output Voltage: 0V or 5V (TTL logic) - Preheat Time: Over 20 seconds - Response Time: Less than 10 seconds - Recovery Time: Less than 30 seconds - Working Temperature: -10°C to 50°C - Working Humidity: Less than 95%RH

Detailed Pin Configuration

The BK/GMQ-4 sensor module features the following pin configuration: 1. VCC (5V DC power input) 2. GND (Ground) 3. DOUT (Digital output) 4. AOUT (Analog output)

Functional Features

• Adjustable sensitivity for different gas types
• Dual output modes (analog and digital)
• Fast response and recovery times
• Wide operating temperature range
• High level of accuracy and reliability

Advantages and Disadvantages

Advantages

• High sensitivity to target gases
• Versatile with adjustable sensitivity
• Reliable and accurate measurements
• Dual output modes for flexibility

Disadvantages

• Limited to specific gases (LPG, natural gas, coal gas)
• Requires periodic calibration for optimal performance

Working Principles

The BK/GMQ-4 sensor module operates based on the principle of gas absorption. When exposed to the target gas, the sensor's conductivity changes, leading to variations in the analog and digital output signals. These signals are then processed to determine the gas concentration, providing real-time data for monitoring and control purposes.

Detailed Application Field Plans

The BK/GMQ-4 sensor module finds extensive application in various industries and settings, including: - Industrial manufacturing plants - Commercial kitchens and restaurants - Gas leakage detection systems - Environmental monitoring stations - Residential gas safety systems

Detailed and Complete Alternative Models

For users seeking alternative gas sensor modules, the following models can be considered: 1. BK/GMQ-5: Enhanced sensitivity and wider gas compatibility 2. BK/GMQ-6: Ultra-compact design with rapid response times 3. BK/GMQ-7: Advanced digital interface for precise gas measurements

In conclusion, the BK/GMQ-4 sensor module offers reliable gas detection and measurement capabilities, making it an essential component in various industrial and commercial applications.

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