Lambda Transmitter LT2

  • Universal O2 measuring
  • Semi- and fully automatic calibration
  • Applicable up to 450 °C
  • Detection of CO/H(COequivalent)
  • Ocontrol integrated
  • Also available in Ex-version
Tecnical Data
Measuring accuracy
(with Lambda Probe LS2)

+/- 10% of measured value
Max. +/-0,3% by vol. O2

Settling time (90% time)T90 < 15s
Ambient temperature
– Operation
– Transport and storage



Power supply230 V AC und 115 V AC
+10% / -15%, 48 Hz…62Hz
Power consumptionTypically 50 VA, short-term 150 VA (probe heating-up phase)
Time for operational status
to be achieved with
Approx. 10 minutes after “POWER ON”

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The LT2 Lambda transmitter is a universal, microprocessor based O2 measuring instrument for the direct measurement of O2 concentration in exhaust gases from oil and gas combustion facilities in the superstoichiometric domain ( λ >1), in conjunction with the LS2 Lambda probe.
Optionally, the KS1D combination probe can be activated to record combustible gas components (CO/H2) – see separate publication. It is possible to set up direct coupling with the compound/firing management system and ETAMATIC. This allows the implementation of an improved control procedure for optimising oil and gas combustion facilities, and for automatic combustion system tuning to variable combustion conditions.

In addition to Omeasurement, the LT2 Lambda transmitter also offers the following functions:

  • Measurement of flue gas and air temperature intake, and calculation of combustion efficiency
  • Detection of unburnt residue (CO/H2), shown as CO equivalent (COe)
  • Calculation and display of CO2 concentration
  • Load-dependent and fuel-specific boundary curves / limit values
  • O2-regulation
  • Combustion chamber pressure regulation
  • Field bus connection

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Selection Criteria
Housings and typesDisplay and operationAccessory
Wall mounting housingLCD graphic displayHousing heating
Panel installationMaintenance switches and 2 LED lines with 6 LED’s eachPurge unit
(Option to clean pre-filters of probe with pressure air from inside to outsite)
Sheet metal mounting platesRemote display softwareCO/Omonitoring and control

Pump for reference air