WELCOME TO
|
|
|
|
ESD VELCRO WRIST STRAP
SPECIFICATIONS
|
1) WRIST BAND : Conductive Strap sew onto the Velcro Band 2) COILDED CORD : PU(Polyurethene) cable. Straight cord 8ft 3) OUTER DIAMETER : 2.5 +/-0.1 MM 4) RESISTOR: 1 Meg Ohm ¼ watt (Crimped and soldered on top of the socket) +/-2% 5) INSULATION : Polyurethene 6) BANANA PLUG/SNAP BASE HOUSING: Moulded with strain relief and cord restrain 7) FEMALE SNAP : 4mm |
1) PULL FORCE TEST
- Use the push-pull gauge pull the button from wrist strap. Pull force require to remove shown on the gauge as below:-
|
Test No. |
Force |
|
1 |
1.9 kg |
|
2 |
2.0kg |
|
3 |
2.1kg |
|
4 |
1.5kg |
|
5 |
1.5kg |
Required Spec : 1lb - 5lb (0.45 – 2.25kg)
2) CONDUCTIVITY TEST
-Connect the both ends of the
cable to the multimeter.
|
Test No. |
Resistance(M Ohm) |
|
1 |
0.983 |
|
2 |
0.999 |
|
3 |
1.003 |
|
4 |
1.000 |
|
5 |
0.995 |
Required Spec : 1 M Ohm
3) STRETCH TEST
- Speed 30 times per minute
- 10 000 times stretching
- Stretch length : 5 times longer than test piece
|
Test No. |
Close coil length Before After |
% Ratio Change |
|
1 |
280mm 280mm |
0 |
|
2 |
270mm 272mm |
0.3 |
|
3 |
275mm 277mm |
0.3 |
|
4 |
280mm 280mm |
0 |
4) BUTTON ROTATE TEST
-Button rotate 360 deg on wrist strap
-Direction clock wise anti-clock wise
|
Test No. |
Rotate arc 360 deg |
|
1 |
Pass |
|
2 |
Pass |
|
3 |
Pass |
|
4 |
Pass |
|
5 |
Pass |
Copyright © 2006 ESD
MANUFACTURING & SUPPLY. All rights reserved