Mainstream CO₂ Sensor two channels
 (1).png "Mainstream CO₂ Sensor two channels")
 (1).png "Mainstream CO₂ Sensor two channels")
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intended to measure FiCO2 and EtCO2 concentration in the mainstream breathing designed to use with anesthesia machines, especially for closed loop systems
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100 Hz sampling rate and 10 ms response deliver the most accurate, diagnostic-grade capnography waveform
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due to the second channel, automatic zero calibration is performed using the ambient atmosphere which eliminates the possibility of error in sensor readings
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reusable polycarbonate/sapphire airway adapters withstand up to 100 sterilization cycles
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compact and lightweight
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for all patient groups
Mainstream CO₂ Sensor two channels
Technical Specification
| Sensor type | CO2 mainstream sensor |
| Operation principle | Non-dispersive infrared (NDIR) |
| Initialization time |
20 s at an ambient temperature of 25° Full specification within 2 min |
| Response time | ~10 ms |
| CO2 measurement range | 0 – 20% (0 –150 mmHg) |
| CO2 accuracy | 0.2 vol.% |
| CO2 resolution | 0.1 vol.% |
| Respiration rate range | 0 – 200 breath per minute (BPM) |
| Respiration rate accuracy | ±1 breath |
| Apnea detection range | 10– 60 s, default 20 s |
| Calibration | No user calibration required |
| Airway adapters |
Reusable adult / pediatric. Reusable pediatric / neonate Material: airway adapter — polycarbonate, optical windows — sapphire glass Dead space: <5 ml (adult / pediatric), <1 ml (pediatric / neonate) Sterilization: ethylene oxide / autoclaving up to 100 times |
| Dimensions & Weight |
Sensor: 38x35x23 mm. Weight: 28 g. Cable length: 3 m |
| Power |
Voltage: 5.0 V±5%. Power consumption: 1.3 W, not more then 3 W at the warm-up |
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Environment / Protection |
Water and splash resistance: IP44 (sensor) Operation: 10 – 35°C, RH 10 – 90%, 390 – 900 mmHg Storage: 5 – 40°C, RH < 80% at 25°C Transportation: (–50)°C–50°C |
| Integration |
Interface: RS-232. Connector: Lemo Redel / ODU Data output: FiCO2, EtCO2, respiration rate. Gas and pressure compensation: available, supplied by host |
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