Dual Conductor Ground Cord
2300 Series
2391-2392-2393
2360R-2370R-2371R
2360-2370-2371
The 3M
™
Dual Conductor Ground Cord is part of a personnel ground monitoring system. The 3M
™
Workstation Monitor product line (Models 724, 725, and 790) uses a dual conductor type wrist strap system
consisting of a dual conductor wristband and ground cord. The dual system allows for a monitored loop
resistance measurement, which includes the wristband contact to the wearer and a redundant grounding path.
If one conductor of the system fails, the other can still function maintaining the grounding of the person. As a
result, this prevents static from being generated by the person, eliminating possible damage to static-sensitive
electronic components. The series includes cords available in 5, 10, or 20 feet lengths and are compatible with
all existing 3M dual conductor fabric, metal, and thermoplastic wristbands.
3M
™
Dual Conductor Cord 2300 Series features a new cord construction with a double insulated jacket which
improves the cord’s durability to repeated flexing and provides for a lighter weight cord. In addition, the
“positive” plug grip makes it easy to insert and remove the cord from a remote input jack. The 3M
™
Dual
Conductor Ground Cords 2360, 2370, and 2371 are a straight plug design.
Two new series of right angle plug connection designs have been added. The 3M
™
Dual Conductor Ground
Cords 2360R, 2370R, and 2371R, which use a 3.0 mm diameter plug tip, are recommended for use with 3M
monitors and some other monitor manufacturers that use a smaller input jack design. The 2360R, 2370R, and
2371R ground cords are identified by gray overmolded ends.
The 3M
™
Dual Conductor Ground Cords 2391, 2392, and 2393, which use a 3.4 mm diameter plug tip, are
recommended for use with other manufacturers' monitors that use a larger input jack design. The 2391, 2392,
and 2393 ground cords are identified by blue overmolded ends.
Feature
(Typical Value)
Model Number
Usable Working Length
P = Practical E = Extended
P 5 ft.
P 10 ft.
P 20 ft.
E 7 ft.
E 12 ft.
E 24 ft.
3M
TM
Dual Conductor Ground Cords 2300 Series
2360
2360R
2370
2370R
2371
2371R
2391
2392
2393
x
x
x
x
x
x
x
x
x
Cord Design
Double Insulated Jacket
External: Hytrel
Internal: Polypropylene
Color
Overmolded Ends Design
Hytrel
Color
Plug End Type
Straight
Right Angle
Plug Contact
Tip: Stainless Steel
Barrel: Ni Plated Phos/Bronze
Plug Tip Diameter
(Remote Plug End)
3.0 mm (+/-0.08 mm)
3.4 mm (+/- 0.08 mm)
Plug Barrel Diameter
0.135 in. (+/-0.003 in.)
Flex Life
(3M Test Method)
Number of Flexes (>100,000)
Electrical Resistance
(End to End)
Tip to Tip / Barrel to Barrel
1 Megohm (+/-10%)
Ground Cord Compatibility
(With Dual Conductor Wrist
Strap Monitors)
3M
Credence Technologies
Novx Corporation
Semtronics
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
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x
x
x
x
x
x
x
x
x
x
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x
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x
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x
x
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x
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x
Gray
x
Gray
x
Gray
x
Gray
x
Gray
x
Gray
x
Blue
x
Blue
x
Blue
x
Gray
x
Gray
x
Gray
x
Gray
x
Gray
x
Gray
x
Gray
x
Gray
x
Gray
3M is a trademark of 3M Company.
Important Notice
All statements, technical information, and recommendations related
to 3M’s products are based on information believed to be reliable,
but the accuracy or completeness is not guaranteed. Before using
this product, you must evaluate it and determine if it is suitable
for your intended application. You assume all risks and liability
associated with such use. Any statements related to the product
which are not contained in 3M’s current publications, or any
contrary statements contained on your purchase order shall have
no force or effect unless expressly agreed upon, in writing, by an
authorized officer of 3M.
Warranty; Limited Remedy; Limited Liability.
This product will be free from defects in material and manufacture
for a period of one (1) year from the time of purchase.
3M MAKES
NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED
TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE.
If this product is
defective within the warranty period stated above, your exclusive
remedy shall be, at 3M’s option, to replace or repair the 3M
product or refund the purchase price of the 3M product.
Except
where prohibited by law, 3M will not be liable for any indirect,
special, incidental or consequential loss or damage arising
from this 3M product, regardless of the legal theory asserted.
Electronic Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000
www.3M.com/electronics
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© 3M 2006 98-0799-0777-4-A
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