·Imported fan and electronic flow sensor allow for more accurate flow control.
·Automatically stop sampling when the sampling flow cannot reach (insufficient power or blocked sampling head).
·Built-in high-capacity lithium battery, which can sample for 6 hours of continuously.
·Historical data can be queried at any time and exported through USBflash disk.
·The shell is anodised aluminium, solid and durable, fashionable and beautiful.