Honeywell MIDAS Sensor Cartridge for Oxygen (O2) 0.2-25% v/v, 3 year warranty



Honeywell MIDAS Sensor Cartridge for Oxygen (O2) 0.2-25% v/v, 3 year warranty

Several Honeywell MIDAS® cartridges can be configured to read a number of different gases based on a common chemical family. Actual details for the sensor detection range are included in the sensor cartridge specification sheet and the MIDAS® technical manual. MIDAS® sensor cartridges can be ordered as part of a Kit with the universal MIDAS® transmitter, or as a replacement part. The detectable range is listed. With the exception of O2 (where ambient concentration is typically 20.9%), the sensors will display zero when no gas is present. All Cartridges with the format MIDAS-E-XXX are supplied with a 2 year (24 month) warranty.
Gas MeasuredOxygen (O2)
Cartridge Part NumberMIDAS-L-O2S3 year warranty
Sensor Technology3 electrode electrochemical cell
Measuring RangeO20 – 25% v/v
Minimum Alarm 1 Set Point5% v/v
Repeatability< ± 0.1% v/v
Linearity< ± 0.2% v/v
Response Time t62.5< 10 seconds
Sensor Cartridge Life Expectancy≥ 36 months under typical application conditions
Operating Temperature0°C to +40°C (32°F to 104°F)
Effect of TemperatureZeroTBA
Sensitivity< ± 0.3% of measured value / °C
Operating Humidity (continuous)15 – 90% rH
Effect of HumidityZeroFollows actual concentration of O2 present
Sensitivity(eg. 20.9% v/v @ 30% rH, 20.04% v/v @ 99% rH / 40°C)
Operating Pressure70 – 110kPa
Effect of PositionNo effect in typical application
Long Term DriftZeroNo Drift
Sensitivity<5% signal loss over operating life
Calibration GasOxygen (O2)
Challenge Gas (Bump Test)Air mixture
Warm Up Time< 30 minutes
Storage Temperature+5°C to +25°C (+41°F to +77°F)
Cross Sensitivities

Each Midas sensor is potentially cross sensitive to other gases and this may cause a gas reading when exposed to other gases than those originally designated. The table below presents typical readings that will be observed when a new sensor cartridge is exposed to the cross sensitive gas (or a mixture of gases containing the cross sensitive species).
Gas / VaporChemical FormulaConcentration applied (ppm)Reading (% O2)
Carbon DioxideCO2Enhance O2 reading by 0.3% / % CO2
HydrogenH2100% v/v-9
MethaneCH4100% v/vNo response
Nitrogen DioxideNO225 ppm in airNo response

Additional information

Weight 1 lbs