Product Overview
The DESCO 2209 Disposable Wrist Strap is a disposable grounding strap made of non-woven material, designed to provide personnel grounding. The product has been tested and meets the required limits for ANSI/ESD S20.20 wrist strap systems according to ESD TR53 and is UL-listed (90P1).
Construction and Function
- Disposable strap made of white, spunbonded polyester non-woven materials.
- Hypoallergenic adhesive around the entire contact surface to minimize skin-to-band resistance.
- Black conductive Velostat™ strip as a path to ground with a nominal total resistance of 5 x 10^6 ohm (specified per ANSI/ESD STM2.1 and ESD TR53).
- Conductive copper foil at one end with water-based acrylic adhesive for connection to a grounding point or chassis.
- Built-in current-limiting resistor in the plastic band under the wrist section.
- Each unit is individually packaged in a clear printed polybag.
Documentation
Technical documentation and additional product data can be found in the manufacturer's datasheet: See datasheet from the manufacturer.
Typical Applications
- Used for personnel grounding as a disposable strap for visitors in an ESD-protected area, as specified in the manufacturer's description.
- Suitable for shipping with ESD-sensitive items to provide grounding for personnel opening ESDS packaging and installing contents.
Safety and Limitations
- UL Listing 90P1 — rated for 250 VAC. The product is not recommended for use on equipment with an operating voltage above 250 VAC (stated in the manufacturer's documentation).
- WARNING: The ESD series does not reduce the risk of electric shock. Follow general safety precautions when working on electrical equipment.
Specifications
- Product: 2209 Disposable Wrist Strap
- Manufacturer: DESCO
- Type: Disposable, non-woven wrist strap (spunbonded polyester)
- Length: 1.5 meters (drawing indicates 60.5")
- Total resistance: 5 x 10^6 ohm (nominal) per ANSI/ESD STM2.1 and ESD TR53
- Exterior: White spunbonded polyester non-woven (meets ANSI/ESD S1.1 exterior => 10 megohm requirements)
- Ground connection: Copper foil with water-based acrylic conductive adhesive
- Built-in current-limiting resistor: Yes (in plastic band under the wrist)
- Individual packaging: Yes, clear printed polybag
- Standards/declarations: Tested according to ANSI/ESD S20.20 requirements per ESD TR53; UL listed (90P1)
- Country of origin: USA
- Note: Not recommended for equipment with operating voltage above 250 VAC
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