เซ็นเซอร์ตรวจจับก๊าซมีเทน

The First Line of Defense Against Explosive Threats
Methane is colorless, odorless, and highly flammable—a silent hazard lurking in underground corridors, wastewater facilities, and industrial storage zones. To mitigate this risk, you need a methane gas detector that combines speed, precision, and durability. The Veswe Methane Sensor (Model: VRS-CH4-&-2-EX) is a rugged, industrial-grade device engineered for reliable performance in the harshest environments. Enclosed in a fully waterproof and dustproof IP65-rated housing, this methane gas sensor delivers an extended service life of up to 5 years with minimal maintenance. Calibrated for a measuring range of 0–100% LEL (Lower Explosive Limit) with an accuracy of ±5% FS, it ensures precise monitoring of flammable gas levels. Whether deployed as a methane leak detector in an oil refinery or a stationary methane gas detector in a public restroom sewage system, its explosion-proof ExdIMb design guarantees safety even in volatile atmospheres. With a rapid response time of ≤15 seconds, this methane sensor reacts instantly to rising concentrations, giving you the critical seconds needed to prevent disaster.

Three Configurations: Tailored for Total Awareness
Every facility has unique risks, which is why our methane gas detector line offers three specialized configurations. First, the Basic Methane Transmitter focuses purely on CH₄ concentration (0–100% LEL), ideal for dedicated gas monitoring zones. Second, the Methane + Temp/RH Transmitter integrates environmental sensing, measuring temperatures from -40℃ to +80℃ and humidity from 0–100% RH. This methane sensor provides comprehensive air quality analysis, crucial for greenhouses or composting facilities where environmental factors influence gas behavior. Third, the Gas Environment Sensor with OLED Display features an onboard screen showing real-time CH₄ values (e.g., “25 %LEL”), allowing for immediate local verification without external tools. Regardless of the model, each methane gas sensor supports versatile outputs (RS485, 4-20mA, 0-5V, 0-10V) and a wide-voltage DC power supply (10–30V). Whether you need a simple methane leak detector or a multi-parameter methane gas detector, Veswe ensures you have the right tool. This flexibility makes our methane sensor adaptable to any safety architecture.

Diverse Applications: From Sewage to Steel
Methane risks exist in surprising places, and our methane gas detector is optimized for diverse industries. 🚇 In Underground Pipeline Corridors, it detects leaks from aging infrastructure. 🅿️ In Underground Parking Garages, it monitors vehicle exhaust and potential fuel leaks. 🚽 In Public Toilets, it tracks biogas emissions from sewage systems. 🏭 In Chemical Plants, it ensures safe working conditions near storage tanks. 🌱 In Greenhouse Farming, it prevents buildup from composting or biomass heating. Visuals of these environments emphasize the adaptability of this methane sensor. Whether deployed as a methane leak detector in a wastewater plant or a methane gas sensor in a workshop warehouse, it is essential for protecting both personnel and assets. This methane gas detector is the universal guardian against flammable gas accumulation.

Unmatched Durability: Built for the Long Haul
Industrial environments are unforgiving, but your methane gas detector is built to withstand them. Featuring a high-strength enclosure with IP65 certification, this methane sensor operates reliably in rain, dust, humidity, and extreme temperatures (-20℃ to 40℃ operating range). The internal design utilizes an explosion-proof ExdIMb sensor element, offering strong anti-interference capabilities against electrical noise from motors or inverters. With a stability rating of ≤7% signal value/year and a zero drift of only ±0.06%, this methane gas sensor maintains its accuracy over long periods, reducing the need for frequent recalibration. As a robust methane leak detector, it is perfect for underground pipeline corridors, mining tunnels, and chemical plants where conditions are harsh. The long service life of up to 5 years in normal environments makes this methane gas detector a cost-effective investment. Trust this methane sensor to remain vigilant year after year, protecting your assets and personnel.
Automated Safety: Closed-Loop Ventilation Control
Detection is vital, but action prevents explosions. Our methane gas detector can be customized with up to two relay outputs to create a closed-loop safety system. When CH₄ levels exceed the set limit, the methane sensor automatically activates exhaust fans, solenoid valves, or alarms. Once levels return to safe zones, the equipment deactivates, preventing energy waste. This seamless automation eliminates the need for complex PLC programming, making it ideal for underground parking garages, tunnels, and workshops where manual intervention is too slow. As a proactive methane gas sensor, it ensures your ventilation system responds instantly to threats. Whether integrated into a large-scale methane leak detector network or a standalone methane gas detector system, this feature bridges the gap between sensing and solving. Rely on this methane sensor to keep your air moving and your facility safe from ignition sources. Smart Connectivity: Four Paths to Integration
Versatility is key in modern safety systems. Our methane gas detector supports four distinct data transmission pathways to suit any architecture:
Direct PC Monitoring: Connect via USB-to-RS485 to your SCADA/HMI software.
Cloud-Based Remote Access: Link to our free environmental monitoring host for live dashboards.
Industrial Automation: Interface with PLCs/microcontrollers for automated logic.
Custom Data Acquisition: Compatible with third-party DAQ systems.
This flexibility ensures that whether you are deploying an industrial methane gas detector in a factory or a commercial methane sensor in a smart building, integration is seamless. The methane gas sensor supports Modbus RTU over RS485, allowing up to 32 devices to be daisy-chained on one bus. As a versatile methane leak detector, it adapts to your existing infrastructure without proprietary hardware. This methane gas detector empowers you to monitor anytime, anywhere, ensuring no blind spots in your safety net. Even remote methane probes can be part of this unified network. End-to-End Visibility: The Free Cloud Platform
Data is only powerful if you can access it. Veswe offers a free cloud-based environmental monitoring platform that transforms your methane sensor into a smart, connected device. The system architecture is simple: the methane gas detector sends values (CH₄, Temp, RH) via RS485/4G/WiFi to a Monitoring Host, which uploads data securely to the cloud. The platform delivers five core functions: 📊 Real-time data display, ⚠️ Overlimit alarm triggers (SMS/email/push), 🕰️ Historical data query, 💾 Data export for compliance, and 📱 Customizable alerting. Ideal for EHS managers, this system provides proactive visibility into gas trends. Whether managing a single methane leak detector or a network of methane gas sensor units across multiple sites, you gain unified oversight. This methane gas detector ecosystem ensures you never miss a trend, keeping your facilities compliant and your team protected. Local Clarity: OLED Display for Instant Readings
In emergencies or routine checks, you shouldn’t need a laptop to know the status of your air. Select models of our methane sensor include an integrated OLED display screen that provides direct, intuitive readout of current CH₄ concentration. The high-contrast panel remains clearly visible even in total darkness, critical for inspections in basements, tunnels, or nighttime operations. This local visualization enhances operational efficiency and reduces response time, serving as a reliable backup if network connectivity is lost. When you need immediate answers, this methane gas detector delivers them instantly. Whether viewed as a standalone methane leak detector or part of a larger methane gas sensor system, the OLED feature adds a layer of independence. It’s a small detail that makes a massive difference in daily safety management for any methane gas detector installation.

Precision Engineering: The ExdIMb Advantage
At the heart of our methane gas detector lies the advanced ExdIMb explosion-proof sensor element. This technology offers fast response speeds (≤15s) and strong anti-interference ability, ensuring accurate readings even in electrically noisy environments. With a resolution of 1% LEL and repeatability of ≤2%, this methane sensor delivers the precision required for regulatory compliance. The default range of 0–100% LEL covers most industrial needs, but as a professional manufacturer, we offer customized ranges upon request. Whether you need a specialized methane leak detector for low-level monitoring or a high-range methane gas sensor for process control, Veswe delivers. This commitment to precision makes our methane gas detector the preferred choice for cost-conscious yet safety-critical applications. Trust the methane sensor that combines premium quality with competitive value.

A Promise of Safety: The Veswe Commitment
(Closing Thought)
At the heart of every Veswe product is a commitment to life. This methane gas detector isn’t just about sensors and enclosures; it’s about ensuring that the air in your tunnel, plant, or garage remains free from explosive threats. From its explosion-proof ExdIMb design to its smart cloud integration and 5-year lifespan, every feature is designed with one goal: your safety. Whether you call it a methane sensor, a methane gas sensor, a methane leak detector, or simply a methane gas detector, the result is the same: peace of mind. With over ten iterations of reliability woven into every unit we ship, we stand ready to protect what matters most. Choose Veswe, and choose a partner dedicated to extinguishing the risk before it ignites.