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Items |
GoldWEI MODEL C002A Sidestream ETCO2 module |
Respironics LoFlo™
Sidestream CO2 Sensor |
CPT WFA Sidestream ETCO2 module |
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Price |
$450 |
$630 |
$750 |
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Transducer Type/ Sample Rate |
Sidestream CO2 ，100ml/min(default), 50-200ml/min can be configured |
Sidestream CO2 ，50ml/min |
Sidestream CO2 ，100ml/min(default), 50-200ml/min can be configed |
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Principle of Operation
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Non-dispersive infrared (NDIR) single beam optics, dual wavelength, no moving parts. |
Non-dispersive infrared (NDIR) single beam optics, dual wavelength, no moving parts. |
Non-dispersive infrared (NDIR) single beam optics, dual wavelength, no moving parts. |
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Initialization Time
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Capnogram displayed in less than 5 seconds, at an ambient temperature of 25°C, full specifications within 2 minutes. |
Capnogram displayed in less than 20 seconds, at an ambient temperature of 25°C, full specifications within 2 minutes. |
Capnogram displayed in less than 5 seconds, at an ambient temperature of 25°C, full specifications within 2 minutes. |
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CO2 Measurement Range |
0－20％ |
0－20％ |
0－13％ |
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CO2 Accuracy
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±2mmHg， 0 - 40 mmHg
±5% of reading， 41 - 150 mmHg |
±2 mmHg， 0 - 40 mmHg
±5% of reading 41 - 76 mmHg
±10% of reading 77 - 99 mmHg |
± 2 mmHg，0 - 5.0% CO2
< 10% of reading，> 5.0% CO2 |
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Respiration Rate Range |
2－150BPM |
2－150BPM |
3－150 BPM |
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Temperature and Humidity
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Operating: 0 to 55ºC, 10 to 90% RH, non-condensing
Storage: -40 to 70ºC, <90% RH, non-condensing |
Operating: 0 to 40ºC, 10 to 90% RH, non-condensing
Storage: -40 to 70ºC, <90% RH, non-condensing |
Operating: 0 to 50ºC, 10 to 90% RH, non-condensing
Storage: -40 to 70ºC, <90% RH, non-condensing |
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Baro pressure auto compensations |
Enable |
Unviable, need the host to supply baro pressure value |
Enable |
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Auto offset calibration |
Enable |
Unviable |
Enable |
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IR source |
Long life IR source, 100,000hrs |
Custom-built IR source, 20000hrs |
Common IR source, 20000hrs |
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IR detector |
Thermopile, which can eliminate Interference of temperature fast changing |
Custom-built IR detector, which cannot eliminate Interference of temperature fast changing |
Thermopile, which can eliminate Interference of temperature fast changing |
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Voltage Requirements
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5.00 VDC (± 5%)
480mW (typical with pump on)
1200mW (extreme status) |
5.0 VDC ± 5%
160 mA (800 mW) typical,
290 mA (1.45 W) max.
Ripple not to exceed < 50 mV rms. |
5.00 VDC (± 5%)
1000mW (typical with pump on) |
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Communication interface |
TTL / RS232 Optional |
RS232 Only |
TTL Only |
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Warranty |
2 years |
1 year |
1year |
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Custom Requirements |
Supply custom-built module @ more than 500 modules per order |
Unavailable |
Unavailable |
