Landtec SEM5000 Portable Methane Detector
Landtec SEM5000 Portable Methane Detector

Landtec SEM5000 Portable Methane Detector

Pine Item #56112

The SEM5000 Portable Methane Detector is the ideal instrument for landfill surface emissions monitoring, reporting and detecting potential leaks at wellheads and surface penetrations. Thanks to our patented laser technology, the SEM5000 is selective, specifically to methane and is able to detect methane emissions from 0.5ppm to 100% concentration. The SEM5000 is ATEX Zone 1 certified and meets all Method 21 requirements, making it the perfect tool for regulatory compliance. 


Specific to Methane no cross-gas or false readings

Wide measurement range (less than 2.5 seconds)

Integral GPS and Bluetooth

GPS accuracy: 2-4 meters

Meets EPA method 21 requirements

ATEX certified - Zone 1

Laser technology

Hot swap battery


Landfill surface emissions monitoring

Reporting and detecting potential leaks at wellheads and surface penetrations

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Technical Specifications

Target GasMethane (CH4)
Detection MethodTunable Diode Laser Absorbtion Spectroscopy
Measurement Range0.5ppm to 100% volume
Instrument Resolution0.1ppm (0 - 100ppm), 1ppm (100 - 1000ppm), 5ppm (1000 - 5000ppm), 10ppm (5000 - 10000ppm)
Pump Flow Rate0.6 to 1.0 l/min
Sampling Probe Outside Diameter4mm
Intrinsic SafetyAtex Zone: II 2 G Ex ib op is IIB T3 Gb -25°C
Response TimeT90 = 2.5 seconds T90 = 3.5 seconds (w/probe)
GPS Accuracy2 to 4 meters
Power SupplyLithium Ion Rechargeable Battery Pack (3.7V - 4000mA/h)
Battery Autonomy10 hours at 68°F (with backlight activated). 8 hours at extreme temperatures
Battery Charge Duration8 to 10 hours to full charge
Temperature Range-13°F to 122°F
Warm Up Time30 to 60 seconds
WeightUS: 3.5 lbs Metric: 1.6kg
Manuals & Data Sheets