YH-600B Pro


YH-600B Pro records the following data: patient respiratory nasal airflow, snoring, blood oxygen saturation, pulse, respiratory effort,
body position and wrist movement during sleep. It can also be connected to a CPAP system to record and display continuous
positive airway pressure. The device uses these recordings to produce a report that may aid in the diagnosis of sleep-disordered breathing or for further clinical investigation. The device is
intended for the hospital / institutional environment (supervised) and the home environment (unsupervised) for adults.


• Sleep study is the test used to diagnose sleep disorders. • IT records brain activity and oxygen level in your blood heart rate and breathing as well as eye and leg moment during the study. • The normal process of falling asleep begins with a sleep stage called Non rapid eye moment sleep. • Sleep apnea or another sleep related breathing disorder: It breathing repeatedly stops and starts during sleep. • Periodic limb movement’s disorders: It involuntarily flex and extend your leg while sleeping. It sometimes associated with restless leg syndrome. • Narcolepsy: It overwhelming daytime drowsiners and sudden attack of sleep in that condition. • REM sleep behavior disorder: This sleep disorder involves acting out dreams as you sleep. • Unusual behavior during sleep: It unusual activities during sleep such as walking moving around lot of rhythmic movements. • Chronic insomnia: It trouble falling asleep or staying asleep. • A sleep lab monitors the following parameters like brain waves, Eye movements, Heart rate, Breathing pattern, Blood oxygen level, Body position, Chest and abdominal movement, Limb movement, Snoring and other noise you make as you asleep.

Benefits & Specifications

The performance and functional characteristics of YH-600B Pro include all the user-friendly features of the predicate device. YH-600B Pro is powered by one 1.5 V AA battery. Testing was performed to demonstrate that the performance of YH-600B Pro in its intended environment is as safe and effective as that of the legally marketed predicate devices. The safety and effectiveness of YH-600B Pro have been verified through performance-related testing that consisted of Electrical Safety, Electromagnetic Compatibility, Mechanical and Environment Testing. The recorded data, such as SpO2, pulse rate, airflow waveform, snore and CPAP pressure, can be replayed on a computer via the PolyLogic Analysis Software which is provided with YH-600B Pro. The device can be used as a standalone unit for recording data. It can also interact with a commercially available IEC60950-1 compliant computer, which can be used to review data. The device does not have any audible alarms, and, therefore, should not be used for continuous monitoring. Patient is an intended operator, who can safely use all functions and can perform all maintenances






0% ~ 100% ≤±3%(70% ~ 85%), ≤±2%(85% ~ 100%)

Pulse rate



30 ~ 250 bpm

 ≤2 bpm (30 ~ 100 bpm)

≤2% (100 bpm ~ 250 bpm)





663 nanometers

890 nanometers

Maximal Optical Output Power

Less than 1.5mw maximum average

Airflow waveform


 Margin of error


10 ~ 40 times per minute

≤±1 time

CPAP pressure


 Margin of error


4 ~ 20 hPa

≤±1 hPa


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






5°C ~ 35°C

-20°C ~ 55°C




Transportat ion

≤80% (non-condensing)


 ≤93% (non-condensing)

Atmospheric pressure



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


78 mm × 60 mm × 21 mm (main device)


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


Working mode

Continuous operation


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