It's EASY to generate a static charge! Static electricity is generated by the contact and separation of the technician's clothes against their skin or their shoes contacting and separating against flooring as they walk. A person's skin is moderately conductive allowing the static charge to flow around the human body but to eliminate this charge the skin needs to be continually grounded. Our ESD Wrist Straps feature a conductive strap that makes 360 degree contact with the user's wrist while our heavy duty wrist strap coil cord and hardware insures the static charge is grounded in a fast, efficient and RELIABLE manor.
Shoe soles are insulative! Our ESD Heel Straps have a conductive ribbon the tucks into the technician's shoe and makes contact with the skin. The static charge flows from the technician's skin, to the conductive ribbon, around the insulative shoe sole, to the conductive heel strap cup and is grounded by the conductive floor (or esd floor mat). Lets look at a case study. This client has an ESD tile floor but his technicians aren't wearing heel straps! The have a carpeted area they walk across before entering the ESD area. They wear Tennis shoes. They've generated around 3,900 volts on the carpet. How long does it take for the charge to decay to an acceptable limit of under 100 volts? Answer: 94 Seconds!
They decided to start wearing heel straps because it was EASY for a person to walk over to an assembly bench and grab a board in a minute or two. Next Question: How long does it take for a static charge of 5,000 Volts to dissipate to ZER0 when wearing ESD heel grounders? Answer: 1/10 of a second!
NOTE: It's important to wear a heel strap on each foot! When walking one heel is not touching the grounded floor (or mat) hence the charge needs to be dissipated by the other foot that's making contact. Tech Tip: For compliance, seated technicians should always wear a wrist strap - even if they are wearing heel grounders! Why? Many stools have a rail and the technician could possibly rest their shoes on the rail - disconnecting the connection of the heel strap to the grounded floor (or floor mat) thus negating the heel strap's effectiveness.
All ESD straps are NOT created equal! OUR straps are professional grade and achieve the perfect balance of price, longevity, performance and ULTIMATE Static Control.