HP M2249AU, M2401EA, M2405LA manual Typical Electrostatic Voltage Levels, Static-Shielding Materials

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

Material

Use

Voltage Protection Level

Antistatic plastic

Bags

1,500 V

Carbon-loaded plastic

Floor mats

7,500 V

Metallized laminate

Floor mats

5,000 V

4–8

Maintenance and Service Guide