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ELLI is an innovative, portable laser methane (CH4) measuring device that can easily monitor difficult or impossible to reach areas and hazardous areas from a distance. By the TDLAS (Tunable Diode Laser Absorption Spectroscopy) detection technology, it is possible for the user to determine methane safe from a distance. For this purpose, the laser beam must be directed only to the post to be checked. This detection technology therefore provides a high added value for the user who does not have to enter a potential hazardous area for the inspection of pipelines. Only in the event of a gas leak properly trained staff must be employed by an Identified leak check and seal. Previously it was very difficult and especially time-consuming and costly to detect gas leaks using conventional flame ionization or semiconductor gas detectors. By this significantly reduced verification effort the review of gas leading systems or pipelines is very cost effective compared to conventional verification methods.



  • Colored LCD touch screen
  • Selective detection of methane
  • Integrated GPS and bluetooth functionality
  • User-defined alarm threshold
  • Rugged housing design IP54
  • Very fast reaction for the detection of smallest amounts of methane
  • Detection of methane also by multiple insulating glazing
  • Simple, intuitive operation via function keys and touch screen
  • No cross sensitivity to other hydrocarbons
  • Green laser marker „CLASS 2M“ for optimum visibility measuring range, even in direct sunlight
  • Choice of graphical or numerical display of the measured values
  • Monitoring of reflection quality by appropriate optical and acoustic indication
  • Rechargeable Li-ion Battery for 8 hours working time

Technical data

Calibration gas Methane (CH4)
Display Coloured LCD-Touchdisplay
Reaction time 0,1 seconds
Detection method Tuneable diode laser absorption spectroscopy (TDLAS)
Operating time 8 hours per charge (6 hours charging time)
Power supply Rechargeable Li-ion Battery
Scanning range 30 m standard, 50 m under good reflection conditions
Weight 1,6 kg
Dimensions 237 x 167 x 74 mm
Measuring range 0 ... 50.000 ppm x m
Temperature range -17 °C to 50 °C
Humidity 5 to 90 % rel. humidity
Protection class IP54
Connections USB, earphone, DC jack, GPS, bluetooth
Data storage measured values, GPS
Scope of delivery Earphones, carrying strap, rugged carrying case, charger
Guarantee 24 month
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