19665 Desco, 19665 Datasheet
19665
Manufacturer Part Number
19665
Description
MONITOR DUAL WIRE CONTINOUS 120V
Manufacturer
Desco
Type
Monitorr
Specifications of 19665
Features
Monitors Two Operators
Power Supply Type
120V AC
For Use With/related Products
Wrist Straps
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
TB-3019 October 2007 Page 1 of 3
Dual-Wire Workstation Continuous Monitor
Installation, Operation, and Maintenance
Figure 1. Desco 19665 Dual Wire - Dual Operator Programmable
Monitor
Description
Continuous monitors pay for themselves, by improving quality,
productivity, and eliminating daily wrist strap testing and test
result logging. Per ESD-S1.1 paragraph 6.1.3 Frequency of
Functional Testing, “The wrist strap system should be tested
daily to ensure proper electrical value. Daily testing may be
omitted if constant monitoring is used.”
Per ESD Handbook TR20.20 paragraph 5.3.2.4.4, “Typical test
programs recommend that wrist straps that are used daily
should be tested daily. However, if the products that are being
produced are of such value that knowledge of a continuous,
reliable ground is needed, and then continuous monitoring
should be considered or even required.”
The Desco Dual Wire - Dual Operator Programmable Monitor
can maintain two work surfaces and two operators at ground
potential to virtually eliminate the risk of ESD damage. The
highly visible LED display and audible alarm makes it easy to
monitor the status of the work surfaces and operators. The
Dual-Wire Dual-Operator Programmable Monitor uses Desco’s
patented* dual resistive loop technology. No other method is as
direct and reliable. Both work surfaces, and individual operator
resistance limits, can be programmed and re-configured as
required. If the ground potential of either work surface or
operator is lost the, monitor immediately alarms (both audible
and visual). The monitor is unaffected by capacitance
variations associated with personnel and environmental
conditions.
The Dual Wire - Dual Operator Programmable Monitor
features:
• Monitoring of two operators independently.
• Monitoring of two ground connections (work surfaces)
• Fully independent alarming conditions: audible and visual.
• Independent LED status lights for each operator and each
• Two independent operator wrist strap ground point remotes
*U.S. Patents 6,052,053 and 6,205,408
independently.
ground connection (work surface.)
with 10’ cables.
DESCO EAST - 90 Hudson Road, Canton, MA 02021-1407 • (781) 821-8370 • Fax (781) 575-0172 • Web Site: Desco.com
TECHNICAL BULLETIN TB-3019
DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178 • Fax (909) 627-7449
Figure 2. Dual Wire - Dual Operator Programmable Monitor
rear view
Packaging
1 Dual Wire - Dual Operator Programmable Monitor
1 Snap Kit
1 Power Adapter
2 Operator Ground Cables (black and white)
2 Monitor-to-Mat Ground Cords (black and white)
1 Monitor Ground Cord (green with yellow stripe)
2 Mat Ground Cords (green with yellow stripe)
Installation
A. Determine the mounting location of the monitor. The front
B. Determine the mounting location of the operator remotes.
C. Attach the operator remotes to the bench or other surface
D. Attach the tinned wire ends of the mat wires to the
E. If not already done, attach the work surface to workstation
F. Attach the tinned wire end of the black ground-reference
panel should be visible to a supervisor.
The white remote is for operator #1 and the black remote is
for operator #2. Make sure that each remote is located so
that the remote leads reach the monitor but are convenient
for the operator.
using the provided screws.
appropriate screw terminal connection on the rear of the
unit. (See Figure 2). The white wire is for operator #1 and
the black wire is for operator #2.
common point ground using the pictured ground wires. For
mats, attach the grounding point snaps at the ends of the
ground monitor cords to the grounding point snaps on the
work surface. These ground monitor cords are used for
sensing whether or not the unit is properly grounded. Refer
to figure 3 for snap-plate fitting diagram and for laminates or
ther hard surfaces with a buried conductive layer.
wire to the center position of the screw terminal block on
the rear of the unit. Attach the ring terminal end to an
alternate ground point. It is important that this ground wire is
attached to a separate ground point other than the work
surface ground cords from the previous step to ensure
proper independent monitoring. The faceplate screw of a
grounded AC wall outlet may provide a convenient
connection point.
© 2007 DESCO INDUSTRIES INC.
Made in America
Employee Owned
19665 Summary of contents
Page 1
... TECHNICAL BULLETIN TB-3019 Dual-Wire Workstation Continuous Monitor Installation, Operation, and Maintenance Figure 1. Desco 19665 Dual Wire - Dual Operator Programmable Monitor Description Continuous monitors pay for themselves, by improving quality, productivity, and eliminating daily wrist strap testing and test result logging. Per ESD-S1.1 paragraph 6.1.3 Frequency of Functional Testing, “ ...
Page 2
... AC adapter. The monitor should now be powered. DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178 • Fax (909) 627-7449 DESCO EAST - 90 Hudson Road, Canton, MA 02021-1407 • (781) 821-8370 • Fax (781) 575-0172 • Web Site: Desco.com TB-3019 Page Operation ...
Page 3
... I and tested as class II. The power DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178 • Fax (909) 627-7449 DESCO EAST - 90 Hudson Road, Canton, MA 02021-1407 • (781) 821-8370 • Fax (781) 575-0172 • Web Site: Desco.com TB-3019 Page ...