The device innovation GMS 4000 is the universal device for gas leak detection, network control and gas analysis. With infrared measurement technology, the measuring instrument can determine natural gas and CO2 exactly and without cross-sensitivities. The GMS 4000 detects heavy gas, oxygen, hydrogen sulfide and carbon monoxide (optional sensors). In addition, the ethane / propane analysis with data storage of the measurement results is possible.

A Bluetooth interface and a GPS receiver are available. Data storage with the GPS coordinates and the transfer of the data to the PC to document the route are also possible. The device can of course be controlled wirelessly with the tablet PC. With the new lithium-ion batteries, the operating time and reliability of the device are unmatched.

The GMS 4000 is equally suitable for above-ground gas pipe network checking, measurement of gas and ground gas, gas analysis or room air Monitoring. With its infrared measuring technology this measurement instrument can accurately identify natural gas and CO2 without cross-sensitivity. 


The GMS 4000 gas detector and gas concentration measuring device has:

  • Large LCD display with automatic lighting
  • Digital and analog display possible
  • Very simple operation through automatic measuring range and menu control
  • Selective CH4 measurements with clear measurement results
  • Selective CO2 measurements with clear measurement results
  • Electrochemical measurement technology for O2, CO, H2S (optional)
  • Infrared measurement technology for CH4 and CO2

  • Gas analysis during operation ethane and propane from a few ppm
  • Measurement data storage for inspections, gas analysis and individual measurements
  • Data storage with GPS coordinates, date and time
  • Multifunctional uses for gas detection on pipe networks
  • Determination of damage points in drill / probe holes
  • Concentration measurements in pipelines
  • Long operating time thanks to lithium-ion batteries
  • Integrated GPS receiver with data storage
  • Integrated bluetooth interface
  • Free PC software for file transfer
  • Extremely robust for tough practical use
  • Robust and lightweight metal housing (aluminum)
  • Long-term guarantee of 5 years
  • Individual configuration according to customer requirements

Scope of delivery 

  • GMS 4000
  • 230V charger 
  • 100 Anti-dust filters 
  • Carrying Case 
  • Operating Instructions 
  • Certificate 
Technical data
Display Illuminated LCD Display
Sensor Semicondutor ppm CH4 Infrared sensor Vol.% CH4 Infrared sensor Vol.% CO2 Electrochemical Vol.% O2 Electrochemical ppm CO/H2S Gas chromatography
Alarm Acoustically, optically
Measurement range 1ppm - 2,2 Vol.% CH4 0 - 100 Vol.% CH4 0 - 100 Vol.% CO2 0 - 25 Vol.% O2 0 - 500ppm CO 0 - 100ppm H2S
Gases Methane, Natural gas, Carbon dioxide, Oxygen, Carbon monoxide, Hydrogen sulfide
Calibration Methane (see options for other gases)
Operating Temperature -20° C up to 40° C
Protection class IP 54
Battery Li Ion Battery
Operating Time More than 12 hours
Memory 25 inspections, 40 individual measurements, 64 gas analyzes
Casing Aluminum, powder-coated
Interface serial RS232, Bluetooth, GPS
Weight 1500g
Dimensions 250 x 65 x 120 mm

GMS 4000


Available Options


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