Legend O2/CO2

O2/CO2 gas analyser: suitable for modified atmosphere packaging (MAP)

The O2/CO2 LEGEND is a portable, reliable and durable gas analyser. This measurement device is ideal for starting small modified atmosphere packaging (MAP) productions or other inerting. The last measure on the screen will stay there until the next cycle is started.


  • Performance/Quality/Cost
  • Reliability/Durability/Simplicity
  • Low Sample volumes
  • Runs off batteries (or from a power supply)

Expert advices

  • Air adjustment requires the full attention and skill of a supervisor, given the various environmental variables.
  • In the interest of protecting your device, we would advise you to regularly replace the filters in order to avoid the product flowing back into the device.
  • Safety: For user protection, we would recommend using the sheath supplied with the needle.

Product informations

Ingress protection of enclosureIP 41
Measurement devicePortable
Weight750 g
Width125 mm
Height50 mm
Depth180 mm
BatteryNiMH Battery. Battery autonomous up to 16h (or 6,000 measurements) when used continuously and intensively.100% charge in 4h
Power100-250VAC power supply via external charger – 50/60Hz
Display2 lines of 8 characters LCD
Storage conditions0 - 70°C/0 - 90% HR
Terms of use0 - 40°C/10 - 90% HR
O2 Oxygen measurementTechnology : Electrochemical
Precision : +/- 1% relative 
T90 response time : < 5 s
Resolution : 0.1%
Average service life : < 2 years in air under NTP
CO2 Carbon Dioxide measurementTechnology : NDIR
Accuracy : +/- 2% full scale
Resolution : 0,1%
T90 response time : 7s
Average service life : 10 years
  • Needle cleaning tool
  • Gas bottle
  • 1 power supply
  • 100 septums for gas analysis (ref. 1477)
  • 2 stainless steel needles 0.8 x 15 mm (ref. for renewal 285 per box of 12)
  • 1 sampling kit (ref. 625)
  • 1 filter (ref. 275)
  • 1 transport case
  • Calibration certificate
  • User’s manual
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