HP SlateBook 10-h010nr HP SlateBook 10 x2 PC Maintenance and Service Guide - Page 23

Removing DIPS from Styrofoam, Typical electrostatic voltage levels, Relative humidity, Event

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Event Motions of bench worker Removing DIPS from plastic tube Removing DIPS from vinyl tray Removing DIPS from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box Typical electrostatic voltage levels Relative humidity 10% 40% 6,000 V 800 V 2,000 V 700 V 11,500 V 4,000 V 14,500 V 5,000 V 26,500 V 20,000 V 21,000 V 11,000 V 55% 400 V 400 V 2,000 V 3,500 V 7,000 V 5,000 V Grounding guidelines 17

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Typical electrostatic voltage levels
Relative humidity
Event
10%
40%
55%
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
Grounding guidelines
17