729 ULTRAKERA™ TO IS METHANE SENSOR

729 ULTRAKERA™ TO IS METHANE SENSOR

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SENSOR FEATURES
  • New low power design: 42 mA @ 1.18V
  • Innovative chemiresistor technology with possibility of integration into intrinsically safe devices
  • Environmental temperature range of –40 to 60°C with appropriate heater control
  • Thermistor heater allows active control of sensor temperature based on environmental temperature
  • Environmental humidity range of 0 to 95% RH, non-condensing
  • Sensor packaged on low profile TO-46 header

ELECTRICAL CHARACTERISTICS

PropertySymbolValueRemarks
Heater Power ConsumptionPH ~50 mWContinuous At VH = 1.18
Heater VoltageVH1.18 VDCTsensor ~230°C
Heater CurrentIH42 mATsensor ~230°C
Heater ResistanceRH15 to 17 OhmsAt Room Temparature
Sensing VoltageVc2.5 VDCTypical
Typical Resistance in AirRa1 MΩ/20 MΩ*Min / Max
Typical Resistance in 1.0% CH4R1.050 kΩ/800 kΩ*Min/Max
Repeatability±5% Full Scale/±10% ReadingWhichever is greater
Accuracy± 5% of Full Scale0-5% CH4