Gastec MAM-2510 Hand Held Methane Gas Detector - Portable LEL

Description

The Gastec MAM-2510 Hand Held Methane Gas Detector operates on an advanced catalytic combustion-type contact sensor. It is specifically calibrated for the exclusive measurement of methane gas, ensuring maximum protection against explosion risks in volatile industrial areas.

While the MAM-2510 model has been officially discontinued, its reputation for reliability in monitoring Lower Explosive Limits (LEL) remains a benchmark in portable gas sensing technology. The unit features an integrated diaphragm pump for active gas sampling and a backlit analog meter, ensuring clear visibility even in low-light conditions. To guarantee immediate response, the device is equipped with a dual alarm system featuring an intermittent sound and a blinking light that triggers once gas concentrations reach the safety threshold.

Brand

Gastec

Although, technology is always evolving, one demand on our products never changes: the demand for customer safety. Whenever we contribute to customer safety, we are presented with an opportunity to develop further.

GASTEC holds this corporate creed of safety and development in high esteem, as it strives to grow while always putting customer safety first.

Specifications

Measurement range	0 – 25%LEL, 0 – 100%LEL
Measurement method	Catalytic combustion gas sensor
Sampling method	Diaphragm pump
Display	Analog metre (backlit)
Indicating accuracy	+/- 5% of full scale
Alarm threshold and signal	20%LEL
Alarm threshold and signal	Intermittent sound and blinking alarm light
Explosion proofing	Certified by Japan Ministry of Health, Labour and Welfare (Class id3aG3 No.T62339)
Operating Temperature	-10 – 40℃
Power source	Three size C manganese dry cell batteries for 4 hours of operation (without alarm signal being emitted) Three size C alkaline dry cell batteries for 8 hours of operation (without alarm signal being emitted)
Continuous working time	Manganese dry batteries 4 hours, Alkaline batteries 8 hours (When an alarm signal is not output, for both types)
Dimensions	151(W) x 71(D) x 115(H) mm
Weight	1.1kg

Features

Methane-Specific LEL Detection: Precisely measures methane (natural gas) concentrations in the 0-100% LEL range, providing a direct indication of explosion risk. (100% LEL for methane is approximately 5% volume in air).
No Power or Calibration Required: Operates purely on a manual piston pump system and disposable detector tubes. This eliminates downtime due to dead batteries, sensor drift, or the need for frequent electronic calibration.
Simple, Direct-Read Tubes: Uses pre-calibrated Gastec detector tubes (#251 for CH₄ LEL). The concentration is read directly from a graduated length-of-stain on the tube after a specific number of pump strokes, providing clear visual results.
Durable & Portable Design: Built into a rugged, lightweight plastic case with a integrated pump and tube tip breaker. It is designed for easy carrying and use in field conditions.
Fast Response & Measurement: Delieves rapid results—typically within 1-2 minutes—allowing for immediate hazard assessment and decision-making during leak surveys and pre-entry checks.

Applications

Leak Survey & Pinpointing: Initial screening and locating leaks in natural gas distribution pipelines, residential gas lines, meter stations, and commercial/industrial gas systems.
Confined Space Entry Checks: Mandatory atmospheric testing prior to entry into manholes, sewers, tanks, pits, and other confined spaces where methane accumulation is possible.
Landfill & Biogas Monitoring: Measuring methane levels at landfill sites, biogas plants, wastewater treatment facilities, and agricultural digesters.
Utility & Maintenance Work: Essential for plumbers, HVAC technicians, and utility workers to ensure safety before and during work on or near gas appliances and lines.
Safety Compliance & Spot Checks: Used for periodic safety inspections, incident investigations, and as a backup or verification tool alongside continuous electronic gas monitors.