BENEFITS AND FEATURES
Affordability & Reasonability priced
Ensure wrist strap in good working condition
Light weight
Reliable & effective
User friendly
SPECIFICATION
WRIST BAND : Stainless Steel adjustable throughout the entire band length to ensure position skin contact and integrity of grounding.
COILDED CORD : PU(Polyurethene) cable. Straight cord 8 FT or 12 FT.(Optional: -6ft, 10ft, 12ft, 15ft, 20ft)
OUTER DIAMETER : 2.5 +/-0.1 MM
RESISTOR : 1 Meg Ohm ¼ watt (Crimped and soldered on top of the socket) +/-2%
INSULATION : Polyurethene
BANANA PLUG/SNAP BASE HOUSING : Moulded with strain relief and cord restrain. Fixed stainless steel swing copper alloy.
FEMALE SNAP : 10mm OD Stainless Steel.
ALLIGATOR CLIP : 0.4mm
PROCEDURE
TESTING
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 |
2.0kg |
|
2 |
2.1kg |
|
3 |
1.6kg |
|
4 |
1.2kg |
|
5 |
2.0kg |
Required Spec : 1lb - 5lb (0.45 – 2.25kg)
CONDUCTIVITY TEST
Connect the both ends of the cable to the multimeter. Reading shown as below :
|
Test No. |
Resistance(M Ohm) |
|
1 |
0.972 |
|
2 |
0.968 |
|
3 |
0.978 |
|
4 |
0.970 |
|
5 |
1.003 |
Required Spec : 1 M Ohm
STRETCH TEST
a. Speed 30 times per minute
b. 10 000 times stretching
c. Stretch length : 5 times longer than test piece
|
Test No. |
Close coil length |
% Ratio Change |
|
|
Before |
After |
||
|
1 |
150mm |
150mm |
0 |
|
2 |
150mm |
152mm |
0.3 |
|
3 |
140mm |
142mm |
0.3 |
|
4 |
147mm |
147mm |
0 |
BENDING TEST ON STRAIN RELIEF
a. Bending arc = 120deg
b. Speed = 33 operation per minute
c. Load = 500gm
|
Test No. |
No. of time Loss Electrical Continuity |
|
10 |
400 532 |
|
11 |
527 267 |
|
12 |
411 754 |
|
13 |
500 789 |
|
14 |
422 773 |
BUTTON ROTATE TEST
a. Button rotate 360 deg on wrist strap
b. Direction clock wise anti-clock wise
|
Test No. |
Rotate arc 360deg |
|
1 |
Pass |
|
2 |
Pass |
|
3 |
Pass |
|
4 |
Pass |
|
5 |
Pass |
