It can show both writing stains and dust footprints, and the voltage can be adjusted to suit the needs of different objects and different uses. Static footprint indentation
Instrument is the principle of static electricity to show indentations on paper or other traces such as water stains, fingerprints, footprints and other traces of the instrument.
Technical parameters: Corona voltage:≥18KV Vacuum negative pressure is better than0.02Mpa Volume:55*29*34cm
Weight:18kg
Power:220V 50Hz
Power consumption:＜200W