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ESD Elastic Wrist Strap

BENEFITS AND FEATURES

  • Affordability & Reasonability priced
  • Ensure wrist strap in good working condition
  • Light weight
  • Reliable & effective
  • User friendly

SPECIFICATIONS

  1. WRIST BAND   : Elastic adjustable and with conductive filament throughout the entire band length to ensure position skin contact and integrity of grounding. Conductive filament is made up of the conductive wrist strap of 20mm width 32 treat of acrye texture yarn.
  2. COILDED CORD  : PU(Polyurethene) cable. Coil cord 6ft, 8ft, 9ft,10ft, 12ft or 15ft
  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. Fixed stainless steel swing copper alloy.
  7. FEMALE SNAP : 10mm / 4mm

TESTING

  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 
    12.0kg
    22.1kg
    31.6kg
    41.2kg
    52.0kg

    Required 
    Spec : 1lb -  5lb (0.45 – 2.25kg)

  2. CONDUCTIVITY TEST
    Connect the both ends of the cable to the multimeter. Reading shown as below :

     Test No.  Resistance(M Ohm) 
    10.972
    20.968
    30.978
    40.970
    51.003

    Required Spec : 1 M Ohm


  3. 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 
    BeforeAfter
     1 150mm 150mm 0
     150mm
     152mm 0.3
     140mm 142mm 0.3
     147mm 147mm 0


  4. 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 
    10400 532
    11527 267
    12411 754
    13500 789
    14422 773
  5. BUTTON ROTATE TEST
    a. Button rotate 360 deg on wrist strap
    b. Direction clock wise anti-clock wise

    Test No.Rotate arc 360 deg
    1Pass
    2Pass
    3Pass
    4Pass
    5Pass
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