DESCO
Frequently asked questions
Common questions about DESCO from 3G Electric.
What is the difference between DESCO heel grounding straps and foot grounders?
DESCO uses the terms 'heel grounding strap' and 'foot grounder' to describe products that perform the same function: providing a conductive path from a person's foot to a grounded floor or mat. The difference is primarily in the design and fastening method. For example, the DESCO 07599 is a heel grounding strap with a stretch fastening and non-marring construction, while the DESCO 17200 is a heel grounder with hook and loop fastening and three layers of tear-resistant rubber. Both are worn over the heel of a shoe and connect to a groundable floor. Selection depends on shoe type, required durability, and whether non-marring properties are needed.
What cord lengths and connector types are available for DESCO antistatic wrist straps?
DESCO antistatic wrist straps are available with various cord lengths and connector types. For instance, the DESCO 09041 metal wrist strap has a coiled cord with a maximum strap length of 13 inches and a snap fastening. The DESCO 09070 elastic wrist strap kit includes a black coiled cord with a maximum length of 6 feet. Coil cords may terminate in snap connectors, banana plugs, or other standard interfaces. When selecting a wrist strap, consider the required reach, the type of connection to the grounding point, and whether a coiled or straight cord is preferred for the work area.
What resistance range does the DESCO 19350 tester adapter cover?
The DESCO 19350 adapter for antistatic wrist strap and footwear testers tests resistance from 750 kiloohm to 10 megaohm. It has a maximum input voltage of 6 V DC and is NIST-traceable. This adapter is used to verify that wrist straps and footwear meet the resistance limits specified in ESD control programs. The NIST-traceable calibration provides documentation for quality systems that require traceability to national standards. The adapter is used with compatible DESCO testers to perform periodic verification of personnel grounding devices.
Are DESCO coil cords available with different plug types?
Yes, DESCO coil cords are available with different plug types to match various grounding points and wrist strap connections. For example, the DESCO 09480 coil cord features a snap connection on one end and a straight banana plug on the other, with a 6-foot coiled cord. Other models may have different combinations, such as snap-to-snap or banana-to-banana. The choice depends on the interface required at the wrist strap and at the grounding point, such as a grounded workbench mat or a common ground hub. Always verify the connector types and cord length needed for your specific setup.
What materials are used in DESCO heel grounding straps?
DESCO heel grounding straps are constructed from various materials depending on the model. The DESCO 07599 features a green, non-marring construction with stretch fastening. The DESCO 17200 is made with three layers of tear-resistant rubber in blue and uses hook and loop fastening. The DESCO 17252 is a blue heel grounder with hook and loop fastening and non-marring materials. The DESCO 07515 is a blue foot grounder with tear-resistant rubber and snap fastening. These material choices affect durability, comfort, and suitability for different environments, such as cleanrooms or areas where surface damage must be avoided.
How do I select the right DESCO wrist strap for my application?
Selecting a DESCO wrist strap involves several factors: the type of strap (metal or elastic), the cord type (coiled or straight), the cord length, and the connector type. Metal wrist straps, such as the DESCO 09041, typically offer durability and a secure fit. Elastic wrist straps, like the DESCO 09070 kit, provide comfort and adjustability. Coiled cords allow for movement without tangling, while straight cords may be preferred for fixed workstations. Connector types must match the grounding point, such as a snap or banana plug. Consider the required reach and the environment (e.g., cleanroom compatibility) when making a selection.
