IsoStat Wrist Strap
The IsoStat Wrist Strap comprises of a coiled cord
and an elastic, adjustable wrist band. The coiled cord is made of polyurethene
cable available in
6,8,10 or 12 feet long. The measurement of the coiled cord is taken
from the end of the banana plug up to the end of the female snap. The
elastic
and adjustable wrist band is made of conductive filament of 20mm width
8 treats of acrye texture yarn running throughout the entire band length
to ensure positive skin contact and integrity of grounding.
Test Results
1. Pull-force test
Using the push-pull gauge , pull the wrist strap from the bottom. Required
pull force to remove shown on the gauge as below:
| Test
No. |
Force |
| 1 |
2.0kg |
| 2 |
2.1kg |
| 3 |
1.6kg |
| 4 |
1.7kg |
| 5 |
2.0kg |
Conductivity Test
Connected both ends of the cable to the multimeter
| Test
No, |
Resistance
(M Ohm) |
| 1 |
0.972 |
| 2 |
0.968 |
| 3 |
0.978 |
| 4 |
0.970 |
| 5 |
1.003 |
Stretch Test
Speed 30 times / min
10,000 time stretching
stretch length: 5 times longer than test piece
| Test
No |
Close
Coil Length |
%
Ratio Change |
| Before
|
After |
| 1 |
150mm |
150mm |
0.0 |
| 2 |
150mm |
152mm |
0.3 |
| 3 |
140mm |
142mm |
0.3 |
| 4 |
147mm |
147mm |
0.0 |
Bending Test on Strain Relif
-bending arc =120°
-speed = 33 operations per minute
-Load= 500g
| Test
No, |
No.
of time loss electrical continuity |
| 1 |
400,532 |
| 2 |
527,267 |
| 3 |
411,754 |
| 4 |
500,789 |
| 5 |
422,733 |
