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Looking for a reliable methane gas detector (CH4) to prevent gas leaks? Our methane gas detectors — also referred to as gas leak detectors, gas sensors, or gas alarms — are designed to enhance safety in kitchens, boiler rooms, garages, restaurants, and technical environments...
Looking for a reliable methane gas detector (CH4) to prevent gas leaks? Our methane gas detectors — also referred to as gas leak detectors, gas sensors, or gas alarms — are designed to enhance safety in kitchens, boiler rooms, garages, restaurants, and technical environments.
Methane is the main component of natural gas. In the event of a leak, it can create hazardous conditions. A dependable gas leak detector with an alarm helps identify abnormal gas concentrations quickly, enabling fast action to reduce risk. You’ll find options suitable for home, commercial, and industrial applications.
Compare these key factors to pick a top-performing option:
Correct placement matters. Methane typically accumulates in higher areas, so detectors are commonly installed higher in the room, following the manufacturer’s instructions for best performance.
Are methane gas detectors the same as natural gas detectors?
Often yes, because methane (CH4) is the primary component of natural gas. Still, always confirm the supported gases in the product specifications.
Will a methane detector detect LPG (propane/butane)?
Not necessarily. Methane (natural gas) and LPG are different gases and may require different sensors. If you need LPG detection, choose a model that explicitly supports propane/butane.
How can I reduce false alarms?
Follow the manufacturer’s placement guidance, avoid areas with heavy steam/condensation, and keep the unit clean. Sensor quality and stability also matter.
How long do gas detectors last?
It depends on the model and sensor type. Check the manufacturer’s stated service life and follow recommended maintenance/replacement intervals.
Shop methane gas detectors built for performance and safety, and protect your home or business from gas leaks. Browse the category and choose the right solution for your environment.
Methane is a colorless, flammable gas and the primary component of natural gas and marsh gas. It is produced through the bacterial decomposition of plant and animal matter and is commonly found in landfill gas. Methane is widely used as a fuel and as a chemical feedstock in industrial processes.
Synonyms: Marsh Gas, Natural Gas, Carbon Tetrahydride, Hydrogen Carbide.
| Chemical formula | CH4 |
| Molar mass | 16 g/mol |
| Relative gas density (air = 1) | 0.55 |
| Conversion | 1 ppm = 0.65 mg/m³ |
| Boiling point | −161.49 °C |
| Lower explosive limit (LEL), % vol. in air | 4.4* (5.0**) |
| Upper explosive limit (UEL), % vol. in air | 15 |
| Odor | Odorless when pure. Methane supplied for domestic use contains an odorant to aid leak detection. |
Highly flammable; mixtures with air may be explosive. Acts as an asphyxiant in confined spaces. Occupational exposure limits have not been established.
Catalytic Explosive Gas Detector (Methane CH4) 0–100% LEL The D•TEX 3F+ is a catalytic explosive gas detector engineered for continuous monitoring in boiler rooms and technical areas. Used with compatible control units (U•H1 or U•H6), it helps you react early—before gas concentration reaches the LEL (Lower Explosive Limit).