MQ-W3
Photoelectric proximity sensors with PNP/NPN outputs for industrial applications
Manufacturer： panasonic
series introduction
# Introducing the MQ - W3 Product Series: Precision Gas Sensing Redefined
## Overview
The MQ - W3 product series stands at the forefront of gas sensing technology, offering a comprehensive and reliable solution for detecting and monitoring specific gases in a wide range of applications. Engineered with cutting - edge technology and meticulous attention to detail, these sensors are designed to provide accurate, real - time data, ensuring safety and efficiency in various environments.
## Key Features
### High Sensitivity
One of the most remarkable features of the MQ - W3 series is its high sensitivity to target gases. Whether it's detecting trace amounts of alcohol vapor in a breathalyzer application or monitoring the presence of volatile organic compounds (VOCs) in an industrial setting, these sensors can quickly and precisely identify even the slightest concentrations. This high - level sensitivity is achieved through advanced semiconductor technology, which allows the sensors to react rapidly to changes in gas levels.
### Wide Detection Range
The MQ - W3 sensors cover a broad detection range, making them suitable for diverse applications. They can detect gas concentrations from very low parts - per - million (ppm) levels to relatively high percentages, depending on the specific model. This wide range flexibility enables users to customize the sensors according to their specific needs, whether it's for environmental monitoring, safety systems, or quality control in manufacturing processes.
### Fast Response and Recovery Time
In critical applications where timely information is crucial, the MQ - W3 series excels with its fast response and recovery times. When exposed to the target gas, the sensors can reach a stable output signal within seconds, providing real - time data for immediate decision - making. After the gas source is removed, the sensors quickly return to their baseline state, ready to detect the next gas event. This rapid response and recovery ensure continuous and reliable monitoring.
### Long - Term Stability
The MQ - W3 sensors are built to last, offering long - term stability in performance. They are designed to resist the effects of environmental factors such as temperature, humidity, and dust, which can often degrade the performance of other sensors over time. With proper calibration and maintenance, these sensors can provide accurate and consistent readings for an extended period, reducing the need for frequent replacements and minimizing downtime.
### Low Power Consumption
In today's energy - conscious world, the MQ - W3 series is designed with low power consumption in mind. These sensors operate on a relatively low voltage and consume minimal power, making them ideal for battery - powered applications or devices where energy efficiency is a priority. This not only reduces operating costs but also extends the battery life of portable devices, enhancing their usability and convenience.
## Technical Specifications
### Sensor Material
The MQ - W3 sensors are based on a metal oxide semiconductor (MOS) material. This material has unique electrical properties that change when exposed to certain gases, allowing the sensors to detect and measure gas concentrations. The MOS material is highly stable and can withstand harsh environmental conditions, ensuring reliable performance over time.
### Operating Temperature and Humidity Range
These sensors can operate effectively within a wide temperature range, typically from - 20°C to 50°C. They can also tolerate a relatively high humidity range, from 10% to 95% relative humidity. This wide operating range makes the MQ - W3 series suitable for use in various indoor and outdoor environments, including industrial plants, laboratories, and residential areas.
### Output Signal
The MQ - W3 sensors provide an analog output signal that is proportional to the concentration of the detected gas. This analog signal can be easily interfaced with microcontrollers, data loggers, or other monitoring equipment, allowing for seamless integration into existing systems. Additionally, some models may also offer digital output options for more advanced applications.
## Applications
### Breathalyzer Devices
The high sensitivity and fast response time of the MQ - W
Images for reference
MQ-W3A-DC12-24V
MQ-W3C-DC12-24V
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