08.Workstation Monitoring
19246 - MONITOR, DUAL OPERATOR - Desco
Leading
companies use continuous monitors as a cost effective component in satisfying
the section 6.1.3 Compliance Verification Plan requirements of ANSI/ESD S20.20.
The Desco Dual Operator Continuous Monitor with Satellites continuously
monitors the grounding integrity of two operators, and two ESD worksurfaces’
path to ground. The monitor will provide instantaneous notification of static
control equipment failures, and eliminates the need of costly and difficult to
supervise wrist strap logging record keeping. This unit is highly cost
effective as it is designed to monitor any conventional single-wire wrist strap
and ground cord system.
Specification
Test range of monitored circuit: 500K - 10M ohms†
Supervisor Jack Resistance
to Ground: 47k ohms
typical
Worksurface Limit*: Set to 10 Megohms
(1
x 107 ohms)
Operating Voltage: 120 VAC, 50-60 Hz (19246)
220-240 VAC, 50-60 Hz (19247)
Wrist strap open circuit voltage: 1.2 volts peak to peak @
1-2 MicroAmps
Mat test open circuit voltage: 5 to 7.5 volts
Response time to alarm: < 50 mS
Operating Temperature: 0 - 40°C
Long Term Drift: <0.5% per Decade
(1st Decade is 1 hr)
Features
·
Dual Station Continuous Monitor for 2 Operators and 2 Work
Surfaces Continuously
monitors the integrity of both operators and ESD workstations, eliminating the
need for periodic testing and recording. Ideal for adjacent workstations for
assembly, test, packaging, or other applications.
·
NEW Improved Banana Jack Creates a more consistent connection
and helps to prevent accidental disconnects with operator’s wrist strap.
·
Wave Distortion Technology Provides Real-Time Continuous
Monitoring for Operator Path to Ground and Presence Of 1 Meg Resistor True continuous monitoring (versus
pulsed or intermittent) of wrist strap functionality and operator safety
according to accepted industry standards.
·
Ready To Use Unit Includes Control Unit and Two Satellite Remote
Monitors. Control unit can be
mounted at eye level away for work area so that current status is easily
monitored and satellite remotes can me mounted in desired locations up to 7
feet from control unit. Each satellite includes a monitored wrist strap ground,
parking snap, and unmonitored ground for guest, cart, equipment or other
grounding applications.
·
Park Snap Feature for Each Operator on Satellite Remote Provides means for operator to
disconnect wrist strap cord when normally leaving the workstation without
audible (false) alarm sounding.
·
Full Time Status LEDs and Audible Alarm for Operator and
Workstation Monitoring. Audible and LED visual alarms activate instantly when a failure
occurs, alerting user and supervisor of problem, allowing immediate corrective
action
·
Miniscule Electrical Current Required to Generate Waveform Monitoring Signal
Safe to use with sensitive components
and no reported case of skin irritation
·
Easy to Install Housing with Screws or Adhesive Backed Hook and
loop Strips Optional mounting
suitable to most machinery and work area, even in hard to reach locations
·
Calibration Unit Available For Accurate Performance And
Conformity Testing In The Field (See Desco 98220 Click Here)
·
Replacement Satellite Remote Monitors (See Desco 19248 Click Here)
·
Use with Single-Wire Wrist
Straps
·
NIST Calibrated with Certificate Included Calibrated with accepted procedures
and standards traceable to the National Institute of Standards and
Technology. For more information on calibration of Desco products,
see Calibration
·
Made in the United States of America
Picture > 19246 - MONITOR, DUAL OPERATOR - Desco Picture
Download > 19246 - MONITOR, DUAL OPERATOR - Desco Sheet
50528 - ZERO VOLT MONITOR - Desco
· Dual
Wire Continuous Monitors provide redundancy; even if one dual wire wrist strap
conductor is severed, operator has reliable path-to-ground with the other wire.
·
Most
advanced means of monitoring the ground path for operators, workstations, and
equipment
·
Zero Volt
technology applies equal and opposite test voltage on each
dual-wire line, yielding near zero volts on the operator
·
Adjustable
audible alarm level
·
For
use with dual-wire wrist straps
·
Replaceable
remote jacks
·
Durable
stainless steel enclosure
·
Operator
test voltage: 1.25 VDC
·
Operator
charge detection
·
Test for
proper calibration with the 50524 Dual-Wire Monitor Limit Comparator
·
Made
in the United States of America
US Patents
6,205,408 and 6,502,053
Note: Work surface must have a
conductive layer such as Dual Layer Rubber or Dual Layer or Dissipative 3-Layer
Vinyl or Micastat® Dissipative Laminate with conductive buried layers. Our
Continuous Monitors are not recommended for use with homogeneous matting.
“Activities that handle items that are susceptible to less than 100 volts HBM
may require additional control elements or adjusted limits.” [ANSI/ESD S20.20
section 2.0]
Download > 50528 - ZERO VOLT MONITOR - Desco Sheet
50544 - FULL-TIME CONTINUOUS MONITOR WITH 09070 WRIST STRAP KIT - Desco
Leading
companies use continuous monitors as a cost effective component in satisfying
the paragraph 6.1.3 Compliance Verification Plan requirements of ANSI/ESD
S20.20. The EMIT Full Time Continuous Monitor provides 100% monitoring of both
the operator and the work surface. This unit provides continuous monitoring of:
• One user
wearing a wrist strap
• ESD
worksurface
• Ground (50543
only)
Specification
Test range of
monitored circuit: 500K - 10M
ohms†
Worksurface
limit*: Set to 10
megohms
Power Source: 50543: 120 VAC
50544: 220 VAC
50-60 Hz
Current Drain: <15 mA RMS
Wrist strap
open circuit voltage: 1.2 volts peak to peak @
1-2 MicroAmps
Mat test open
circuit voltage: 5 to 7.5
volts
Response time
to alarm: <50 mS
Standby
“parking” snap delay: 6-8 seconds
Long Term Drift: 1/2% per decade
(1st decade is 1 hr)
Temperature: 10-40 degrees C
Field
Adjustment: None required
Size: .75" x 3.25" x
4.38"
(1.9cm x 8.3cm x 11.1cm)
Features
·
Single Station Continuous Monitor for Operator, ESD Work
Surface, and the Operator’s Electrical Ground Continuously monitors ground integrity of a single operator,
ESD workstation and the electrical ground that the monitor is connected to.
Eliminates the need for periodic testing and record keeping.
·
Wave Distortion Technology Provides Real-Time Continuous Monitoring
for Operator Path to Ground and Presence of 1 Meg Resistor True continuous monitoring
(versus pulsed or intermittent) of wrist strap functionality and operator
safety according to accepted industry standards.
·
Park Delay Feature Allows operator to disconnect wrist strap cord when normally
leaving the workstation without audible (false) alarm sounding.
·
Dual Status LEDs and Audible Alarm for Operator and Workstation
Monitoring LEDs
illuminate (Green) when operator, work surface, and electrical grounds are
functioning correctly. visual alarms activate instantly when a failure occurs,
alerting user and supervisor of problem, allowing immediate corrective action.
·
Alarm Signal Use with an external relay (see relay box item 50547) to control access to equipment or other
accessories.
·
Use with Single-Wire Wrist Straps. Includes Desco Wrist Strap 09070
·
Calibration Unit Available for Accurate Performance and
Conformity Testing in the Field. See Desco Item 98220
·
NIST Calibrated with Certificate Calibrated with accepted
procedures and standards traceable to the National Institute of Standards and
Technology. For more information on calibration of Desco products, see Calibration
·
Made in the United States of America
Download > 50544 - FULL-TIME CONTINUOUS MONITOR WITH 09070 WRIST STRAP KIT - Desco Sheet