DHR-998 is designed in accordance to recommendations of AASM (American Academy of Sleeping Medicine)
Recording time:24 hours

DHR-998 Sleep Diagnosis System is designed in accordance to recommendations of AASM (American Academy of Sleeping Medicine). As a portable device smaller than your palm, DHR-998 is able to detect multiple parameters including oral/nasal flow, snoring, SpO2, pulse rate and body position, thoracical effort and abdominal effort effectively during sleep.

Basic technical specifications of DHR-998 are listed as the following:

Lead: Air flow, SpO2, position

Output Interface: Air flow, SpO2, mini-USB

Screen: No

Relative Humidity: 20%~85% (no condensation)

Working Temperature: 545

Security Type: Internal electric source BF-type

Battery: AAA rechargeable lithium battery

Recording time: 24 hours

Size: 93×70×25