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The Polywatch YH-600A Pro is a Sleep Study Machine designed to record patient respiratory nasal airflow, snoring, blood oxygen saturation, pulse, and wrist movement during sleep. It can be connected to a CPAP system to record and display continuous positive airway pressure (CPAP). The Polywatch YH-600A Pro Sleep Test Machine is a state-of-the-art sleep study device designed to monitor and assess sleep patterns. The data collected by the device is used to generate a report that can help identify sleep disordered breathing and support a further clinical investigation. This Sleep Study Machine is intended for use both in a hospital or institutional setting (supervised) and in a home environment (unsupervised) for adults.
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 ~ 250 bpm) |
Wavelengths Red Infrared |
660 nanometers 905 nanometers |
Maximal Optical Output Power |
Less than 2 mw 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 |
Wrist movement (sleep / wake) |
Automatic sleep-wake identification from wrist movement |
Temperature Operation Storage / Transportation |
5°C ~ 35°C -20°C ~ 55°C |
Humidity Operation Storage / Transportation |
≤ 80% (non-condensing) ≤ 93% (non-condensing) |
Atmospheric pressure Operation Storage / Transportation |
860 ~ 1060 hPa 700 ~ 1060 hPa |
Power supply |
DC 1.5 V ±0.15 V (1 ×1.5 V LR6 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 with 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 |