SPIROMETER is a hand-held equipment for checking lung conditions, adopts the infrared mode for measuring relative items, and is applicable for hospital, clinique, family for routine test.

• Wireless transmission.
• Flow rate-volume chart, volume-time chart display.
• Data memory, delete, upload and review.
• Trend chart display.
• Scaling(Calibration).
• Information prompts when volume or flow goes beyond the limits.
• Automatic power off when there is no operation in one minute.
• Rechargeable lithium battery and with charging tips.
• Battery power display.