M-15M Medical Oxygen Sensor

Long-Life Electrochemical O₂ Sensor with 3.5 mm Mono Jack

The M-15M Medical Oxygen Sensor is a long-life electrochemical sensor engineered for accurate and reliable oxygen concentration measurement in clinical respiratory and anesthesia devices. It combines high signal stability, low interference from anesthesia gases, and excellent linearity, making it ideal for continuous oxygen monitoring. Equipped with a 3.5 mm mono jack and NTC temperature compensation, the M-15M ensures dependable performance over a wide environmental range.

Technical Specifications:

• Sensor Type: Electrochemical oxygen sensor with NTC compensation
• Measurement Range: 0 to 100 Vol.% O₂
• Initial Output Signal: 8.0 to 13.0 mV in dry ambient air
• Output Signal Range: 5 to 15 mV in dry ambient air
• Response Time (T90): < 12 seconds
• Expected Operating Life: > 750,000 Vol.% O₂ hours
• Sensor Lifetime: < 3 years in ambient air, depending on application
• Output Signal Drift: < 1 Vol.% O₂/month in air, averaged over 12 months
• Zero Offset Voltage: < 0.3 Vol.% O₂ at 100 % N₂ (5-minute exposure)
• Linearity Error: < 3 % at 100 Vol.% O₂ (5-minute exposure)
• Operating Temperature Range: 0 to 40 °C
• Recommended Temperature Range: 5 to 30 °C
• Maximum Temperature: -20 to 50 °C
• Ambient Pressure Range: 600 to 1750 hPa
• Humidity Range: < 98 % RH, non-condensing
• Influence of Humidity: -0.03 % relative O₂ reading per % RH
• Electrical Connector: 3.5 mm mono jack
• Recommended Load Resistor: ≥ 10 kOhm
• Material in Contact with Media: PA, PPS, PTFE, stainless steel
• Weight: Approximately 26 g
• Shelf Life: < 6 months recommended
• Product Part-No.: 41 08 23 (white housing)

Device Compatibility:

The M-15M is compatible with medical devices requiring a 3.5 mm mono jack connection for oxygen measurement. It is well-suited for ventilators and oxygen monitoring systems operating in varied clinical environments.

The M-15M Medical Oxygen Sensor supports a range of systems including City Technologies® MOX-02, IT-Gambert® M-15/M, and Maxtec® Max-15M. Additional compatibility includes Mindray® MOX-2 and Mindray A3/A5 WATO series, as well as Teledyne® R17VI.

Key Features:

• Long-life operation with high signal stability
• Low cross-sensitivity to anesthesia gases
• Superior output linearity across full oxygen range
• Fast T90 response time under 12 seconds
• Integrated NTC temperature compensation
• Compact white housing and standard 3.5 mm mono jack
• Reliable performance under broad pressure and humidity conditions

Download the M-15M Complete Specifications Sheet

Download the M-15M Material Safety Data Sheet