參數資料
| 型號： | 14240 |
| 廠商： | Desco |
| 文件頁數： | 5/8頁 |
| 文件大小： | 0K |
| 描述： | GROUNDING SYSTEM LAMINATE |
| 標準包裝： | 1 |
| 附件類型： | 接地五金件 |
TB-2091 Page 5 of 8
the only ESD laminate made with a physical uniform ground
layer, it will monitor the entire Micastat surface ground.
The wires will stay under the bench, maximizing the usable
space on the bench top.
Materials Needed for Item 19212:
2 ea. 14244 Flush Mount Laminate Ground Inserts
1 ea. 14242 Installation Tool for Flush Mount Insert
1 ea. 09857 10mm Socket and Rivet (100 per pack)
2 ea. 8-32 button cap screws
1. Install the 14244 Flush Mount Inserts in the snap pattern
for the monitor.
2. Once installed, remove the 8-32 taper head screw
supplied.
3. Place a 10mm snap socket on top of the installed 14244
brass insert.
4. Screw the 10mm snap socket into place on the insert
using an 8-32 button cap screw.
5. Do this for both inserts and snap attach the 19212 Mini
Monitor into place; it is now grounded to and monitoring
the Micastat.
Grounding Method for Micastat
Pads
Micastat
Pads have the same dissipative characteristics as
Micastat
Sheet. The pads have pressure sensitive
adhesive on the underside for rapid and secure installation.
They are packed complete with an installed, 10mm (.395")
snap socket and a Common Point Ground Cord Item No.
09826. The Common Point Ground provides banana jack
receptacles for two wrist straps.
Figure 9. Proper installation of Micastat
Pad.
1. Remove the protective carrier from the pressure
sensitive adhesive. Lay the Micastat
Pad in position and
snap on the 09826 ground cord. Bring the other end of
the ground cord to a “green earth ground” and attach it
using the ring terminal. A suggested “green earth ground”
is the center screw of a standard outlet. Testing is
recommended to ensure that the screw is properly
grounded. If there is excess wire you may want to cut
and strip the ground wire to a shorter length and attach it
with another ring terminal, which is included with each
09826 ground cord.
Cautions
1. Only one (1) groundable point should exist on any ESD
protective work surface or floormat. ESD protective
workstation components, such as work surfaces, should
never be grounded in series (daisy chained).
Figure 10. Work surfaces should NEVER be daisy chained.
2. The Common Point Ground Cord shipped with the
Micastat
Pad has a 1 Megohm resistor. A non-resistor
Common Point Ground Cord, Item No. 09825 may be
purchased separately.
3. The ESD-S1-1 Standard calls for a 1 megohm current
limiting resistor in the wrist straps used with an ESD
protective work surface such as Micastat
Pads or
Sheets.
4. ESD Handbook TR20.20 worksurface 5.3.1.9.3 High
Pressure Laminates. These materials are rigid and are
applied to a substrate, typically with adhesive systems.
The majority of these materials follow the multi-layer
description above. There are, however, some types that
are basically homogeneous in construction.
Because the electrical properties of many high pressure
laminates have some degree of humidity dependence, all
high pressure laminate materials should be carefully
tested for adequate performance at low humidity prior to
selection and installation.
Multi-layer Micastat with conductive layer is not
homogenous and is not humidity dependent.
Testing
There are two types of tests for monitoring Micastat
surface electrical characteristics. One type of test is RTG -
Resistance To Ground (see Figure 12). In this test you
measure the resistance of the laminate surface to the
installed ground bolt (or snap on a Micastat
Pad). When
DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 (909) 627-8178 Fax (909) 627-7449
DESCO EAST - One Colgate Way, Canton, MA 02021-1407 (781) 821-8370 Fax (781) 575-0172 Web Site: http://www.desco.com
2009 DESCO INDUSTRIES, INC.
Employee Owned
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