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The Polywatch YH-600B Pro Sleep Test Machine is a sophisticated device designed to track and evaluate sleep patterns. It measures various physiological parameters during sleep, such as patient respiratory nasal airflow, snoring, blood oxygen saturation, pulse, respiratory effort, body position and wrist movement during sleep. Additionally, it can be connected to a CPAP system to measure and display CPAP levels. Polywatch YH-600B Pro sleep study machine can be used in both supervised hospital or institutional settings and unsupervised home environments for adults, and the data it produces can be used to identify sleep-disordered breathing and further clinical investigation. This Sleep Apnea Monitoring Device is a lightweight, user-friendly device with interactive human-computer interfaces and real-time displays of waveforms and parameters. It is also equipped with professional analysis software with cross-platform data compatibility, allowing it to create diagnostic reports for clinical review.
SpO2 Range Accuracy |
0% ~ 100% ≤±3%(70% ~ 85%), ≤±2%(85% ~ 100%) |
Pulse rate Range Accuracy |
30 ~ 250 bpm ≤2 bpm (30 ~ 100 bpm) ≤2% (100 bpm ~ 250 bpm) |
Wavelengths Red Infrared |
663 nanometers 890 nanometers |
Maximal Optical Output Power |
Less than 1.5mw maximum average |
Airflow waveform Frequency Margin of error |
10 ~ 40 times per minute ≤±1 time |
CPAP pressure Range Margin of error |
4 ~ 20 hPa ≤±1 hPa |
Snore |
150 ~ 300 Hz |
Thorax/Abdomen effort Range Margin of error |
10 ~ 40 times per minute ≤±3 times per minute |
Body position |
Supine position, sleep on left or right side, and prone positons can be detected |
Wrist movement (sleep / awake) |
Automatic sleep-awake identification from wrist movement |
Temperature Operation Storage/ Transportation |
5°C ~ 35°C -20°C ~ 55°C |
Humidity Operation Storage/ Transportat ion |
≤80% (non-condensing)
≤93% (non-condensing) |
Atmospheric pressure Operation Storage/ Transportat ion |
860 ~ 1,060 hPa 700 ~ 1,060 hPa |
Power supply |
DC 1.5 V ±0.15 V(1×1.5 V R6 AA) |
Minimum record duration |
No less than 8 hours |
Data storage |
64 records can be stored on TF card |
Dimensions |
78 mm × 60 mm × 21 mm (main device) |
Weight |
75 g (main device without battery) |
Type of protection against electrical shocks |
Internal power supply |
Classification of protection against electrical shocks |
Type BF applied part |
Waterproof rating |
IP22 |
Working mode |
Continuous operation |