PS-3234 wireless spirometer
The PS-3234 wireless spirometer lets students safely and conveniently collect breathing data, including airflow rate, air pressure, and lung volume. Single-user disposable mouthpieces keep particles out of the sensor, maintaining long-term accuracy and hygienic use. Ideal for health and human-physiology studies, it provides live data, interactive graphs, and analysis tools on almost any device, simplifying experiments. It includes 3 mouthpieces; additional mouthpieces are sold separately in packs of 10. Students can measure exhaled gas volume through the tube, total lung volume, and influencing factors. Combined with data from a PASCO wireless oxygen or carbon-dioxide (CO₂) sensor, they can estimate blood oxygen content and overall lung oxygen-use efficiency. Analysis of lung efficiency and total respiratory volume can even estimate calories consumed during an activity. This product is not a medical device. PASCO products are designed solely for education and must not be used in life-support equipment, medical testing, patient diagnosis, industrial control/testing systems, or related apparatus.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Maximum sampling rate | 1 kHz |
| Maximum air-flow rate | ±14 L/s |
| Air-flow resolution | 0.01 L/s |
| Single-breath volume | 10 L |
| Volume resolution | 0.04 L |
| Cross-contamination protection standard | Exceeds all American Thoracic Society (ATS) / European Respiratory Society (ERS) standards |
| Cross-contamination protection efficiency | 99.99% (i.e., a one-in-a-million probability of contamination) |
| Mouthpiece resistance [At an airflow rate of 12 L/s] | Resistance 0.2 mbar/L/Sec at an airflow rate of 12 L/s |
| Mouthpiece dead-space volume | 31 ml |
| Connection Method | USB and Bluetooth 5.2 |
| Data Logging Function | Supported |
| Battery Type | Rechargeable Lithium-Polymer Battery (LiPo) |
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