Landtec SEM 5000
Operation Manual
Specification Sheet
SEM 5000 FAQs
Landtec SEM 5000 $450 $1050 $3,000


The SEM 5000 Portable Methane Detector is the ideal instrument for landfill surface emissions monitoring, reporting and detecting potential leaks at wellheads and surface penetrations. The SEM 5000 is lightweight and ergonomically designed for hours of hands-free operation. The single selector dial design makes it easy to use and understand. The SEM5000 has an audible alarm and LED warning lights and features integral GPS and Bluetooth in a single unit.


  • Specific to Methane
  • Wide Measurement Range (0.5ppm to 100% volume)
  • Rapid Response (Less than 2 seconds)
  • Integral GPS and Bluetooth
  • GPS Accuracy: 2-4 Meters
  • Meets EPA Method 21 Requirements
  • ATEX Certified – Zone 1
  • Laser Technology
  • Selector Dial Interface
  • Proprietary Software
  • Hot Swap Battery
  • Expanded Memory
  • Biennial Calibration


  • No Cross-Gas or False Readings
  • Accurate Reporting
  • More Efficient
  • No Additional Devices Required
  • Accurate Reporting
  • Maintains Compliance
  • Intrinsically Safe
  • Highly Accurate, No Flame, No Hydrogen
  • Weighs Half as Much as Competing Technologies
  • Easy, Hands-Free Operation
  • Easy to Use
  • Multiple Reporting Functions
  • More Efficient
  • Holds up to 480 Hours of Scan Data
  • Saves time and money