Product Introduction
The ET100 Sensor is a highly integrated mainstream CO2 Sensor which developed by RSD medical, who had tens of years IR measurement instrument development experience. It's the one-step capnography solution for patient monitoring system. Within a very compact size, it provides measurement of End-Tidal Carbon Dioxide(ETCO2), respiration rate, capnogram, which can cover most of requirement from the patient monitoring system. With a very simple RS232 interface and industry compatible protocol, it's fairly easy to connect ET100 to any patient monitoring system and other medical treatment system where CO2 sensor is needed.
With the stability, flexibility and easy to use as the built in essence, ET100 is your ideal choice for your capnography subsystem.
Product Features
1.Real time CO2 monitoring and data upload
2.Dual wavelength , non-dispersive infrared(NDIR)
3.With fast electrical modulation MEMS IR source, moving part was avoid and long lifetime was achieved
4.Includes temperature control system, to prevent airway adapter condensing
5.Barometer pressure and Gas temperature compensation
6.Patent on calibration algorithm, no routine user calibration required
7.Small size and lightweight
SPECIFICATIONS
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Transducer Type
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Mainstream CO2 Sensor
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Principle of Operation
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Non-dispersive infrared(NDIR), dual wavelength, no moving parts
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Initialization Time
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Capnogram displayed in less than 5 seconds,full specifications within 2 minutes
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CO2 Measurement Range
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0 - 114 mmHg, 0 - 15 %, 0 - 15.2 kPa(760mmHg)
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Rise Time
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Less than 60 ms - Adult Reusable or Single-Patient-Use Airway Adapter
Less than 60 ms - Infant Reusable or Single-Patient-Use Airway Adapter
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CO2 Resolution
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0.1mmHg 0 to 59 mmHg
0.25 mmHg 60 to 114mmHg
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CO2 Accuracy
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0 - 40mmHg ±2 mmHg
41 - 76 mmHg ±5% of reading
77 - 114 mmHg ±8% of reading
Above 80 BPM ±12% of reading
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CO2 Stability
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Short term drift: Drift over four hours shall not exceed 1 mmHg maximum
Long term drift: Accuracy specification will be maintained over a 120-hour period
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Sampling Frequency
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100 Hz
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Respiration Rate Range
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2 to 150 Breaths Per Minute (BPM)
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Respiration Rate Accuracy
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±1 breath
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Compensations
(Supplied)
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Barometric pressure: 400 mmHg to 800 mmHg
Operator selectable O2, N2O, He and agent compensation
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Calibration
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No routine user calibration required. An airway adapter zero is required when changing
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Airway Adapters
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Single-patient-use or reusable, < 5 cc dead space (adult), < 1 cc dead space infant
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Voltage Requirements
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5.0 VDC ±5%
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Power Consumption
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1.2Watts typical (Steady State)
Up to 1.8 Watts maximum on power up (Warm up)
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Interconnection
(The RS232 connector version is also provided)
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Standard - Redel 8-pin plastic connector
Pin out:
1. VA 5.0VDC
2. Shield Shield
3. DGND Digital return
4. VSRC 5.0VDC
5. TxD Serial data from Sensor
6. RxD Serial data from Host
7. AGND Analog return
8. SYNC Unused
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Data Interface
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RS232 , bi-directional, 19200 baud rate, standard N-8-1.
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Data Output
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CO2 gas concentration(mmHg), End-tidal CO2, Inspired CO2, Respiratory Rate. Gas and barometric pressure compensated when supplied by host.
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Temperature and Humidity
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Operating: 0 to 45ºC, 10 to 90% RH, non-condensing
Storage: -40 to 70ºC, <90% RH, non-condensing
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Water Resistance
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IPX4 - Splash-proof (sensor head only)
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