M-12 Medical Oxygen Sensor

High-Stability O₂ Sensor with Low Cross Interference and NTC Compensation

The M-12 Medical Oxygen Sensor is a high-precision electrochemical sensor optimized for medical oxygen concentration measurement in ventilation and monitoring applications. Known for its low cross-sensitivity to anesthesia gases, superior signal stability, and excellent linearity, the M-12 incorporates NTC temperature compensation and is equipped with a 3-pin Molex® connector for easy integration.

Technical Specifications:

• Sensor Type: Electrochemical oxygen sensor with NTC temperature compensation
• Initial Output Signal: 8.0 to 12.5 mV in dry ambient air
• Measurement Range: 0 to 100 Vol.% O₂
• Response Time (T90): < 15 seconds
• Expected Operating Life: > 500,000 Vol.% O₂ hours
• Sensor Lifetime: < 3 years in ambient air (application dependent)
• Drift: < 1 % Vol. O₂/month in air, averaged over 12 months
• Linearity Error: ≤ 3 % at 100 % O₂ (5-minute exposure)
• Zero Offset Voltage: ≤ 0.3 Vol.% O₂ at 100 % N₂ (5-minute exposure)
• Repeatability: ± 1 % Vol. O₂ at 100 % O₂ (5-minute exposure)
• Operating Temperature Range: 10 to 40 °C
• Recommended Temperature Range: 5 to 30 °C
• Maximum Temperature: -20 to 50 °C (≤10 hours)
• Pressure Range: 700 to 1250 hPa
• Humidity Range: Up to 100 % RH, non-condensing
• Influence of Humidity: -0.03 % relative O₂ reading per % RH
• Electrical Connector: 3-pin Molex®
• Recommended Load Resistor: ≥ 10 kOhm
• Material in Contact with Media: PA, PPS, PTFE, stainless steel
• Weight: Approximately 24 g
• Shelf Life: < 6 months recommended

Product Variants:

• M-12 – Part No. 41 00 17 (white housing)
• M-12 – Part No. 41 01 17 (white, double pack)
• M-12 – Part No. 41 03 17 (white, flow diverter with 6 chambers)
• M-12 – Part No. 41 05 17 (white, flow diverter with 5 chambers)
• M-12T – Part No. 47 00 29 (translucent housing)
  
  

Device Compatibility:

The M-12 sensor is suitable for medical ventilators and oxygen analyzers that require a high-performance oxygen sensor with 3-pin Molex® connection and temperature compensation.

The M-12 Medical Oxygen Sensor supports a wide range of devices including Aeonmed® Shangrila 510S and VG70 (installed with S+VOX), Airshields® (Dräger) Infant Incubator Isolette C2000, 8000, and 8000 plus (MU24903) in matched 2-piece configurations, and Biovent Ventilator units (model compatibility should be verified by the sensor currently in use). The sensor is also compatible with City Technologies® MOX-01, Criticare® 644 oxygen cell, and Criticare® models 8100Poet Plus, 8500 Poet, 8500 Poet IQ, and IQ2.

Further supported devices include Draeger® MU24903 (also used with Airshields®), EnviteC® models OOM102, OOM102-C, and OOM103, GE® Carestation 30 sensor R-22Med, Hamilton® G5, S1, and Multinex systems, Heinen und Loewenstein® OOM102, and Henleys® 5566.

Additional compatibility extends to Hudson® models 5566 and V-12, IT-Gambert® M-12, Maxtec® Max-12A, and Ohmeda® (GE®) Centiva S/5 using oxygen sensor 6051-0000-216. The sensor also integrates with Siriusmed® R-30, Spacelabs® models using oxygen sensor 015-0132-03 and the 90514 gas analyzer, Taema® Cesar (new model), and Teledyne® models R22MED and R-36.

Key Features:

• High signal stability with minimal drift
• Full-scale measurement from 0 to 100 Vol.% O₂
• Fast T90 response under 15 seconds
• Low cross-interference to anesthesia gases
• Accurate and repeatable readings with low zero offset
• Multiple housing variants including flow diverters and translucent design
• Lightweight and compact with easy plug-and-play installation

Download the M-12 Complete Specifications Sheet

Download the M-12 Material Safety Data Sheet