■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.
Trustpilot
3 days ago
3 weeks ago
