ABB LS1 Lambda Probe
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Lambda Probe / Oxygen Sensor
ABB LS1 lambda probe for precise oxygen measurement in exhaust gases, featuring zirconium dioxide sensing technology and current-mode operation.
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ABB LS1 Lambda Probe / Oxygen Sensor
The ABB LS1 lambda probe is a high-precision oxygen sensor designed for accurate measurement of oxygen concentration in exhaust gases. Using a zirconium dioxide sensor element and a current-mode operating principle, it delivers reliable and stable readings across demanding industrial conditions.
Manufacturer: ABB
Type: Lambda Probe / Oxygen Sensor
Model: LS1
Part Number: GZAH 018650R
Sonden-Nr.: 6481
Warm-Up Time:
¢ 30 min. to peak current for 21 % O‚‚
¢ 180 min. to thermal equilibrium
| Sensor Element | Zirconium dioxide |
| Operation Principle | Current-mode probe |
| Probe Current | Linear function of O‚‚ content |
| Probe Current at 21 Vol. % O‚‚ | 300 to 600 mA |
| Operating Temperature of Sensor | 750 to 850 °C |
| Probe Current Response Time | t‚‰‚ < 15 s using standard intake tube (length 450 mm) |
| Probe Gas Flow | 0.3 to 0.6 l/h, constant by critical nozzle |
| Measuring Range | 0 “ 21 Vol. % O‚‚ after calibration with air |
| Accuracy | ± 0.1 Vol. % O‚‚ after calibration |
| Temperature Sensitivity | 1 % of true value per 10 K case-temperature variation |
| Pressure Sensitivity | 1.3 % of true value per 10 mbar variation |
| Zero Point Drift | None |
| Application | Ideal for measuring O‚‚ in exhaust gases from oil and gas combustion, particularly in leaner-than-stoichiometric conditions |
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