202LD Methanometer
New and improved portable methane detector for underground mining
- The most robust and poison-resistant sensor on the market
- Lightweight and durable polycarbonate case
- Highly accurate sensor for increased safety
Machine-mounted and handheld monitors for harsh environments
New and improved portable methane detector for underground mining
The industry's best performing machine-mounted methane detector
Highly accurate and simple to operate
Calibration test stands and equipment designed for ease of maintaining CSE gas monitors
CSE Corporation specializes in gas detection systems that safeguard workers and equipment in potentially explosive environments. Our machine-mounted gas detectors are engineered to automatically shut down equipment when methane concentrations reach hazardous levels—helping prevent ignition and ensuring compliance with mine safety regulations. For mobile and spot-check applications, our methane spot checkers provide fast, accurate readings in the field.
All CSE methane monitors are built with proprietary catalytic bead sensor technology, known for its reliability, precision, and performance in harsh underground environments. These systems are rugged, low-maintenance, and easy to operate, minimizing downtime and simplifying service. Whether fixed or portable, CSE’s gas detector solutions help protect workers and operations with trusted performance, proven durability, and a legacy of innovation in mine safety.
A methane detection system is a type of gas detection system designed to identify and alert personnel when methane levels become hazardous. In mining operations, these gas detectors are critical for preventing fires or explosions caused by methane buildup. CSE's advanced systems are built to meet strict safety regulations and provide real-time protection for workers and equipment.
Catalytic bead sensors are a type of gas detection sensor used in methane monitors. When methane comes into contact with the sensor's heated element, it triggers a chemical reaction that generates heat, which is measured and converted into a gas concentration reading. CSE's proprietary catalytic bead sensors are among the most reliable in the gas detection industry, especially in harsh underground environments.
Machine-mounted gas detectors are fixed directly onto mining equipment and are configured to shut down machinery automatically if methane concentrations reach unsafe levels. In contrast, portable gas detection devices—such as CSE’s spot checkers—are handheld and used by personnel to perform mobile inspections. Both types of gas detection systems are essential for layered safety in mining operations.
Yes. CSE Corporation's gas detectors, including the 140B Methane Monitor and the 202LD Methanometer, are MSHA (Mine Safety and Health Administration) approved. This certification confirms that our gas detection systems meet or exceed the safety standards required for underground mining in the U.S.
Like all precision gas detectors, CSE methane monitors require periodic calibration to maintain accuracy and compliance. Fortunately, our gas detection sensors are designed for ease of maintenance, with compatible calibration gas and test stands available. Routine calibration ensures optimal performance and minimal downtime.
Our methane gas detectors are ideal for underground mining, tunneling, industrial facilities, and confined spaces where combustible gas poses a risk. Whether you need fixed equipment or portable gas detection solutions, CSE provides rugged, reliable systems for the most demanding environments.
With durable construction and high-quality gas detection sensors, CSE methane monitors are built for longevity. When properly maintained, our gas detectors provide years of reliable service in extreme underground conditions, making them a smart investment in workplace safety.
CSE has over 50 years of experience designing industry-leading gas detection systems. Our products are engineered for performance, simplicity, and safety—whether you need machine-mounted monitors or portable gas detection devices. Customers trust CSE for advanced sensor technology, MSHA-approved designs, and a strong legacy of innovation in mine safety.