Desco ESD Statshield 73600 Service manual

ESD Statshield® Protective Smocks
Grounding, Testing and Maintenance
Description
Statshield Smocks are a Groundable Static Control
Garment System meeting the ANSI/ESD S20.20-2007
required limit of < 3.5 X 10E7 ohm RTG tested per ANSI/
ESD STM2.1.
“While a person may be grounded using a wrist strap or
other grounding methods, that does not mean that insulative
clothing fabrics can dissipate a charge to that person’s skin
and then to ground. Personnel clothing usually is electrically
separate or isolated from the body.” “Groundable Static
Control Garment System, Garments that are used to
establish the primary ground path for a person shall provide
a resistance of less than 35 megohms from the person to
the groundable point of the garment.”[ESD TR20.20-2008
section 5.3.13 Garments]
Outfitting a work force in ESD smocks is an important step
to demonstrate a company’s commitment to their ESD
control program. The Desco Statshield® ESD protective
smock is designed to be antistatic, low tribocharging, and
offers protection from electrostatic fields generated by
clothing on the user’s body. Using high quality material
with a minimum 9% carbon nylon monofilament, the smock
creates a Faraday Cage around the torso of the wearer.
Static charges generated by the wearer and wearer’s
clothing will be shielded from ESD susceptible products.
The dissipative material becomes part of the ground path
to remove static charges. The smock is available in two
lengths -- the lab coat length and the jacket length. Both
lengths are available in two styles - with snaps and with
conductive elastic cuffs. Smocks are available in six colors
-- blue, white, teal, burgundy, black, and camouflage.
COIL CORD TO GROUND
Made in America
The Desco Statshield® premium smock incorporates our
“hip-to-cuff” grounding feature which allows for hands-free
grounding with no tugging at the operator’s wrist. This
feature allows connection of a ground cord to a 4mm
snap stud on the hip. A seam of carbon-suffused threads
provides a secure and direct electrical connection from the
snap stud on the hip to conductive elastic cuffs, providing a
highly reliable connection via the user’s skin. The smock will
quickly and effectively ground the person when used in this
manner.
The smock is constructed of a lightweight dissipative
material which incorporates texturized polyester and a
minimum of 9% carbon nylon monofilament. The conductive
nylon fibers are woven in a chain-link design throughout the
material, providing continuous and consistent charge
dissipation. All of the seams in the garment are designed to
maintain electrical continuity from panel to panel and from
sleeve to sleeve in accordance with the ESD Association
Garment Standard, ESD-STM2.1.
“After verifying that the garment has electrical conductivity
through all panels, the garment should be electrically
bonded to the grounding system of the wearer so as not to
act as a floating conductor.” [ESD TR20.20-2008 section
5.3.13 Garments] The conductive fabric in smock is a
conductor. If not grounded, the smock can become an
isolated charged conductor. If not grounded via a wrist strap
coil cord, ground the ESD garment using ESD footwear to
ESD flooring.
TECHNICAL BULLETIN TB-2055
TB-2055 July 2010 Page 1 of 4 © 2010 DESCO INDUSTRIES INC.
Employee Owned
WRISTBAND (NOT INCLUDED)
SNAPS TO CONNECT TO GARMENT
COIL CORD TO GROUND
NO WRISTBAND
NECESSARY
Figure 2. Desco Statshield® Premium Jacket with Snaps.
Also available in Jacket length.
Figure 1. Desco Statshield® Premium Lab Coat with
Conductive Cuffs. Also available in Jacket length.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com

ESD protective smocks are available in the following styles and sizes:
LAB COATS WITH SNAPS LAB COATS WITH CUFFS
Blue White Teal Chest Sleeve Blue White Teal Chest Sleeve
X Small 73600 73620 73640 30"-32" 33 3/8" X Small 73610 73630 73650 30"-32" 33 3/4"
Small 73601 73621 73641 34"-36" 34" Small 73611 73631 73651 34"-36" 34"
Medium 73602 73622 73642 38"-40" 34 3/8" Medium 73612 73632 73652 38"-40" 34 3/8"
Large 73603 73623 73643 42"-44" 35" Large 73613 73633 73653 42"-44" 35"
X Large 73604 73624 73644 46"-48" 35 1/2" X Large 73614 73634 73654 46"-48" 35 1/2"
2X Large 73605 73625 73645 50"-52" 35 1/2" 2X Large 73615 73635 73655 50"-52" 35 1/2"
3X Large 73606 73626 73646 54"-56" 37 1/2" 3X Large 73616 73636 73656 54"-56" 37 1/2"
4X Large 73607 73627 73647 58"-60" 36 1/2" 4X Large 73617 73637 73657 58"-60" 36 1/2"
5X Large 73608 73628 73648 62"-64" 36" 5X Large 73618 73638 73658 62"-64" 36"
6X Large 73609 73629 73649 66"-68" 36" 6X Large 73619 73639 73659 66"-68" 36"
JACKETS WITH SNAPS
Blue White Teal Chest Sleeve
X Small 73699 73820 73840 30"-32" 33 3/8"
Small 73700 73821 73841 34"-36" 34"
Medium 73710 73822 73842 38"-40" 34 3/8"
Large 73720 73823 73843 42"-44" 35"
X Large 73730 73824 73844 46"-48" 35 1/2"
2X Large 73740 73825 73845 50"-52" 35 1/2"
3X Large 73741 73826 73846 54"-56" 37 1/2"
4X Large 73742 73827 73847 58"-60" 36 1/2"
5X Large 73743 73828 73848 62"-64" 36"
6X Large 73744 73829 73849 66"-68" 36"
JACKETS WITH CUFFS
Blue White Teal Burgundy Black Camo Chest Sleeve
X Small 73749 73830 73850 73900 73860 73870 30"-32" 33 3/4"
Small 73750 73831 73851 73901 73861 73871 34"-36" 34"
Medium 73755 73832 73852 73902 73862 73872 38"-40" 34 3/8"
Large 73760 73833 73853 73903 73863 73873 42"-44" 35"
X Large 73765 73834 73854 73904 73864 73874 46"-48" 35 1/2"
2X Large 73770 73835 73855 73905 73865 73875 50"-52" 35 1/2"
3X Large 73771 73836 73856 73906 73866 73876 54"-56" 37 1/2"
4X Large 73772 73837 73857 73907 73867 73877 58"-60" 36 1/2"
5X Large 73773 73838 73858 73908 73868 73878 62"-64" 36"
6X Large 73774 73839 73859 73909 73869 73879 66"-68" 36"
TB-2055 Page 2 of 4 © 2010 DESCO INDUSTRIES INC.
Employee Owned
Note: Black & Camo Jackets with Cuffs
contain a Badge Holder Tab and Two
Sleeve Pen Pockets.

Installation
Follow the directions below for proper installation and
grounding of the ESD smock.
1. Put on the smock and fasten all of the snaps on the front
of the smock, making sure that clothing is not exposed
outside of the smock.
2. Throughout use, it is essential that conductive cuff be in
intimate contact with wrist skin; conductive cuff should
never be allowed to be pulled up and over shirt sleeve.
3. Install a ground cord to the snap stud located above the
left hand hip pocket. Connect the other end of the ground
cord to a verified ground point such as a grounding
block or common point mat ground.
Grounding Integrity Testing
For daily testing or monitoring of the grounding integrity of
Desco ESD protective smocks and ground cords, we
recommend the use of standard wrist strap testers or
singlewire workstation continuous monitors. Panel-to-panel
conductivity is essential so as not to leave portions of the
smock as isolated charged conductors. Panel-to-panel
conductivity is easy to test using our Surface Resistance
Test Kit Item #19780. Place the two five-pound electrodes
on different panels to test. Unless properly grounded, the
smocks can hold a charge and become a possible source
for discharge to ESD susceptible products. For additional
information, refer to ANSI/ESD S20.20, TR20.20, and the
ESD Association Garment Standard, ESD-STM2.1. Desco
has several testers available for this purpose. For
more information ask for specification drawings or operating
instruction manuals by item number.
TB-2055 Page 3 of 4 © 2010 DESCO INDUSTRIES INC.
Employee Owned
Figure 5. Testing and monitoring of smock and ground
cord assembly
YES! YES!NO! NO!
Figure 3. Proper installation of smock wearer’s body
Figure 4. Grounding the smock
Figure 6. Testers
The user and the smock will now be properly grounded. The
“hip to cuff” grounding feature allows greater freedom of
movement of user’s arms and hands, and a reliable path to
ground while the ESD smock offers extra protection against
damaging electrostatic fields which may be generated by
the user’s clothing.
NOTE: ANSI/ESD S20.20 REQUIRES THAT THE
GROUND CORD SELECTED FOR GROUNDING OF
PERSONNEL CONTAIN A BUILT-IN CURRENT LIMITING
1 MEGOHM RESISTOR.
Heat Sealed Patches
It is possible to heat seal patches to our smocks. The patch
should be small and the smock should be tested before and
after application.
Maintenance
For proper operation, the ESD protective smock must be
laundered periodically. Woolite works well. Liquid
detergents are better than dry in that there is less caking
and frictional wear. Launder garment in cool or warm water,
tumble dry with low heat or hang dry. Launder the smocks
by hand or with a washing machine. Use a standard
household machine on gentle cycle or use an industrial
machine if “Pony” (typically under 200 pound loads)
machines are used. It is not recommended to launder these
garments in heavy industrial laundry machines as it will lead
to premature wear. Garments should be tumbled dry using
low heat. DO NOT BLEACH.
19250 19350 19780

TB-2055 Page 3 of 4 © 2010 DESCO INDUSTRIES INC.
Employee Owned
LIMITED WARRANTY
Desco expressly warrants that for a period of two (2) years from the
date of purchase or (100) one hundred wash cycles, whichever occurs
first, Desco Statshield® ESD Smocks will be free of defects in material
(parts) and workmanship (labor). Within the warranty period, a credit
for purchase of replacement Desco Statshield® ESD Smocks, or, at
our option, the Statshield® ESD Smock will be repaired or replaced
free of charge. If product credit is issued, the amount will be calculated
by multiplying the unused portion of the expected two year or 100
wash cycle life times the original unit purchase price. Call Customer
Service at 909-627-8178 for a Return Material Authorization (RMA) and
proper shipping instructions. You should include a copy of your original
packing slip, invoice, or other proof of purchase date. Any unit under
warranty should be shipped prepaid to the Desco factory. Warranty
repairs will take approximately two weeks.
If your unit is out of warranty, call Customer Service at 909-627-8178
(Chino, CA) or 781-821-8370 (Canton, MA) for a Return Material
Authorization (RMA) and proper shipping instructions and address.
Desco will quote repair charges necessary to bring your unit up to
factory standards.
WARRANTY EXCLUSIONS
THE FOREGOING EXPRESS WARRANTY IS MADE IN LIEU
OF ALL OTHER PRODUCT WARRANTIES, EXPRESSED AND
IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE WHICH ARE SPECIFICALLY DISCLAIMED.
The express warranty will not apply to defects or damage due to
accidents, neglect, misuse, alterations, operator error, or failure to
properly maintain, clean or repair products.
LIMIT OF LIABILITY
In no event will Desco or any seller be responsible or liable for any
injury, loss or damage, direct or consequential, arising out of the use of
or the inability to use the product. Before using, users shall determine
the suitability of the product for their intended use, and users assume
all risk and liability whatsoever in connection therewith.
The carbon-suffused mono-filament nylon is sensitive to
heat and should not be exposed to laundering heat in
excess of 120°F. Use only non-ionic softeners and
detergents when laundering. Under normal wearing and
recommended washing conditions, Desco Statshield® ESD
protective smocks will maintain their usefulness and
effectiveness for a minimum of 100 washings. Some other
ESD smocks have as little as 1% suffused carbon and lose
their ESD protective qualities after a few washings.
Specifications
Fabric Weight 2.2 oz per square yard
Fabric Content Texturized polyester and a
minimum of 9% carbon
mono-filament nylon.
Carbon Mono-filament Conductive at 10E4 ohms,
nonflaking and non-sloughing.
Surface Resistance 10E5 - 10E6 ohms, per
ESD-STM2.1 of Fabric
Static Decay Rate 5000 volts to 500 volts in less
than 0.1 seconds, per FTMS-101C
Glass Transition Temp 250°F
Flash Point 1040°F
Note: Material sample swatches are available upon
request. Fabric lots vary slightly in color and weight. If
you have any question please don’t hesitate to request
a sample material from our Customer Service Team.
99 Washington Street
Melrose, MA 02176
Phone [phone]
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com