The following table shows how humidity affects the electrostatic voltage levels generated by
different activities.
CAUTION:
A product can be degraded by as little as 700 V.
Typical electrostatic voltage levels
Relative humidity
Event
10%
40%
55%
Walking across carpet
35,000 V
15,000 V
7,500 V
Walking across vinyl floor
12,000 V
5,000 V
3,000 V
Motions of bench worker
6,000 V
800 V
400 V
Removing DIPS from plastic tube
2,000 V
700 V
400 V
Removing DIPS from vinyl tray
11,500 V
4,000 V
2,000 V
Removing DIPS from Styrofoam
14,500 V
5,000 V
3,500 V
Removing bubble pack from PCB
26,500 V
20,000 V
7,000 V
Packing PCBs in foam-lined box
21,000 V
11,000 V
5,000 V
ENWW
Preliminary replacement requirements
35
Содержание Pavilion g6-2200
Страница 1: ...HP Pavilion g6 Notebook PC Maintenance and Service Guide ...
Страница 4: ...iv Safety warning notice ENWW ...
Страница 8: ...viii ENWW ...
Страница 27: ...Computer major components ENWW Computer major components 19 ...
Страница 67: ...Reverse this procedure to install the top cover ENWW Component replacement procedures 59 ...
