Detection of High Concentration Ammonia


The Maxell Oxygen Sensor KE Series (KE-12, KE-25, and KE-50) are unique galvanic cell type oxygen sensors.

Their most notable features are long life expectancy, excellent chemical durability, and no influence by CO2. KE Series oxygen sensors are ideal to meet the ever increasing demand for oxygen monitoring in various fields such as combustion gas monitoring, the biochemical field, domestic combustion appliances, etc.



  • Long life - 2.5~10 years in ambient air
  • Virtually no influence from CO2, CO, H2S, NOx, H2
  • Low cost
  • Operates in normal ambient temperatures
  • Stable output signal
  • No external power supply required for sensor operation
  • No warmup time is required


  • Biotechnology - Oxygen incubators
  • Food industry - Refrigeration, greenhouses
  • Safety - Air conditioners, oxygen detectors, fire detectors

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