TDI ESD Chairs Resistance to Groundable Point  Test Positions

Why Choose TDI Chairs?

TDI ESD Chairs & Stools Meet EOS/ESD Specification #ANSI/ESD STM12.1-2006
Reference ESD Association: www.esda.org 

TDI Chairs - ESD Resistance Path to Ground

Figure 1 - Resistance to Groundable Point Test Positions

ESD SPECIFICATIONS:

Surface Resistivity

  • Fabric:  Grade III ESD Fabric - 4.5x106 Average (BS6524: 1984) 
  • Vinyl: Grade III ESD Vinyl - 108 Ohms/Sq or lower (ASTM D-257)

Rate of Decay - 5000 Volts down to 500 Volts 

  • Fabric: Grade III ESD Fabric - .20 Seconds (apex.) 
  • Vinyl: Grade III ESD Vinyl - .35 Seconds (apex.)

ESD Chair Features:

  • CASTERS Standard:  Conductive Die Cast Steel Dual Wheel Caster with Brake
                     Optional:  Conductive Die Cast Steel Dual Wheel Caster with out Brake
  • Removable PCB ESD disk with 1/2 Megohm resister to prevent accidental shock. Accessible 
    and verifiable w/location on outside of cylinder.
  • Spring loaded clip in back upright makes connection between back and control.
  • Footring - Metal to metal cylinder contact.
  • Testing - All chairs are tested for continuous path to ground from seat and back before shipment.

Chair/Workstation Height Guide

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