Desco 50692 Manuel utilisateur
DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178
DESCO EAST - One Colgate Way, Canton, MA 02021-1407 • (781) 821-8370 • Website: Desco.com
TB-3095 Page 1 of 4 © 2023 DESCO INDUSTRIES INC
Employee Owned
Pencil Type Ionizer
Installation, Operation and Maintenance
Description
The Desco 50692 Pencil Type Ionizer uses compressed
clean dry air (CDA) to neutralize electrostatic charges
and dislodge dust and debris in tight, compact spaces.
It is an ideal choice when cleaning parts and assemblies
in electronic, medical device, and semiconductor
applications. It is commonly used in applications such
as mobile phone manufacturing, PCB assembly, watch
making, and the cleaning of optics and wafers. Less
than 1 second discharge times with ±15 volt balance
meet the required limits of ANSI/ESD S20.20 and ESD
TR53.
“There is sometimes a need to provide static control
in a small defined area or location. This may be done
to provide static control within production equipment,
in mini-environments, or to facilitate particle removal
from part of a product. Ionizers used for this purpose
may be blow-off guns or nozzles that work with a
supply of compressed air or nitrogen. They may use
either nuclear, soft x-ray or any of the previously
described types of corona ionization technology. It will
be important to choose a method of ionization and
cleanliness of the gas supply that is appropriate to
the work area.” (ESD handbook ESD TR20.20 section
5.3.6.5.2.4 Point-Of-Use Ionization)
“Necessary non-conductors in the environment cannot
lose their electrostatic charge by attachment to ground.
Ionization systems provide neutralization of charges on
these necessary non-conductive items (circuit board
materials and some device packages are examples
of necessary non-conductors). Assessment of the
ESD hazard created by electrostatic charges on the
necessary nonconductors in the work place is required
to ensure that appropriate actions are implemented,
commensurate with risk to ESDS [ESD sensitive] items”.
(ANSI/ESD S20.20 Foreword)
July 2023
Figure 1. Desco 50692 Pencil Type Ionizer
Packaging
1 Controller
1 Pencil Ionizer
1 Air Tube, 6 mm O.D. x 8' L
1 Air Tube, 6 mm O.D. x 6' L
1 Ground Wire, 6' L
4 Tube Holders
1 Power Adapter, 24 VDC, with interchangeable plugs
(North America, UK, Europe)
TECHNICAL BULLETIN TB-3095
Made in Japan
Figure 2. Packaging contents
DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178
DESCO EAST - One Colgate Way, Canton, MA 02021-1407 • (781) 821-8370 • Website: Desco.com
TB-3095 Page 2 of 4 © 2023 DESCO INDUSTRIES INC
Employee Owned
Features and Components
Controller
Pencil Ionizer
A B C
D E F G
H I
Figure 3. Controller features and components
A. Air Out Port: Supplies compressed air to the pencil
ionizer via a 6 mm air tube.
B. Air In Port: Accepts compressed clean dry air (CDA)
via a 6 mm air tube.
C. Air Pressure Regulator: Controls the pressure
supplied to the Pencil Ionizer.
D. Ionizer Power Connector: Supplies power to the
Pencil Ionizer.
E. Air Mode Switch: Toggles the output setting of the
air emitted by the pencil ionizer. CONT is continuous air.
PULSE Hi is pulsed emission at 100 ms per cycle with
a pulse width of 50 ms. PULSE Lo is pulsed emission at
200 ms per cycle with a pulse width of 100 ms.
F. Power Connector: Connect the power adapter here.
G. Ground Terminal: Grounds the controller. Connect
the ground wire here.
H. Power Switch: Toggle to ON to power the system.
Toggle to the opposite side to power the system OFF.
I. Operation Indicator: Illuminates green during
normal operation. Illuminates red if troubleshooting is
required.
A. Air In Port: Accepts compressed air from the
controller via a 6 mm air tube.
B. Hanging Hook: Use to hang the pencil ionizer when
not in use.
C. Trigger: Press to output ionized air through the
nozzle.
D. Nozzle: Outputs ionized air when the trigger is
depressed.
E. Power Cable: Recieves power from the controller.
Installation
A B D
E
Figure 4. Pencil Ionizer features and components
C
Power adapter
Pipe to CDA
Pencil ionizer
6 mm air tube
Ground
Controller
6 mm air tube
Ionizer power cable
Figure 5. Wiring the Pencil Type Ionizer
1. Ensure that the power and air are set to OFF before
wiring and piping the product. Avoid installing the
Pencil Type Ionizer in areas with oil, water, high
temperature, or high humidity. This product emits
ozone into the atmosphere. Do not use it in an
enclosed space.
2. Install the controller on a surface where its power
switch and indicator LED are visibile. Use its four
4.5 mm mounting holes if desired.
3. Use the ground wire to connect the controller
to equipment ground. The face plate screw of a
grounded AC wall outlet may provide a convenient
connection point.
4. Connect the pencil ionizer’s power cable to the
controller.
DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178
DESCO EAST - One Colgate Way, Canton, MA 02021-1407 • (781) 821-8370 • Website: Desco.com
TB-3095 Page 3 of 4 © 2023 DESCO INDUSTRIES INC
Employee Owned
5. Connect the power adapter to the controller.
6. Install the 6' air tube to the pencil ionizer. Connect
the opposite end of the tube to the AIR OUT port on
the controller.
7. Install the 8' air tube to the AIR IN port on the
controller. Connect the opposite end of the tube to a
clean dry air (CDA) source.
8. Use the air tube holder to combine the air tube and
ionizer power cable for improved handling.
Holder
Figure 6. Installing an air tube holder
Operation
WARNING:
• Do not operate the main unit by turning the nozzle
toward a human body, especially to the face or to
the eye of a person. This may cause serious injury
to the person.
• Do not let the nozzle of the main unit touch
conductive or live parts.
• Always supply air when using this product. The
ozone concentration inside the ionizer would
increase due to electric discharge. This may
damage the ionizer.
• This product emits ozone. Do not use this products
in an enclosed space.
1. Turn ON the controller’s power switch.
2. Open the main valve of the clean dry air (CDA)
supply, and supply 7 to 87 psi air pressure to the
controller.
3. Operate the controller’s pressure regulator to the
desired level.
4. Use the air mode switch on the controller to select
the desired setting.
5. Hold the pencil ionizer, and point its nozzle at the
area to be neutralized. Press the trigger to emit
ionized air.
6. When shutting down the product, turn the controller
OFF, and close the air supply’s main valve.
Maintenance
WARNING: Always turn OFF the power and air to the
product before performing any maintenance. The tip of
the emitter point is sharp. Avoid contact.
Cleaning the Emitter Point
To maintain optimum neutralization efficiency and
operation, cleaning should be performed on a regular
basis. Use the Desco 60506 Emitter Point Cleaner or
a swab dampened with isopropyl alcohol to clean the
ionizer’s emitter point.
1. Shut OFF the controller and the air supply.
2. Remove the nozzle from the pencil ionizer.
3. Gently clean the emitter point using a swab
dampened with Isopropyl alcohol. Screw the nozzle
back onto the ionizer when complete.
The emitter point is a consumable part, and its
operational time is over 20,000 hours. The controller
uses a solenoid valve that is rated for 50,000,000 open/
close operations. Contact Desco customer service
should either of the parts require replacement.
Figure 7. Using the Pencil Type Ionizer
DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178
DESCO EAST - One Colgate Way, Canton, MA 02021-1407 • (781) 821-8370 • Website: Desco.com
TB-3095 Page 4 of 4 © 2023 DESCO INDUSTRIES INC
Employee Owned
Limited Warranty, Warranty Exclusions, Limit
of Liability and RMA Request Instructions
See the Desco Warranty:
Desco.com/Limited-Warranty.aspx
Troubleshooting
Problem: Power is not being supplied to the
product.
Remedies:
1. Verify that the power adapter is connected to an
appropriate electrical receptacle.
2. Verify that the power adapter is properly connected
to the back of the controller.
Problem: Ionized air is not being emitted from the
nozzle.
Remedies:
1. Verify that the valve for the compressed air supply
is open.
2. Inspect the air pressure regulator on the controller,
and verify that it is open.
Problem: The controller’s operation indicator
illuminates red and abnormally discharge occurs.
Remedies:
1. Clean the emitter point inside the ionizer’s nozzle.
2. Verify that no conductive objects are near the
ionizer’s emitter point.
3. Verify that the nozzle is not making contact with any
grounded objects.
Specifications
Input Voltage and
Frequency
(External Adapter)
AC/DC Power Adapter
Power Input:
100-240 VAC, 50/60 Hz
Power Output:
24.0 VDC @ 1.0 A
Cable Length:
7.5 ft. (2.3 m)
Operating Temperature 32 to 104° F (0 to 40° C)
Environmental
Requirements
Indoor use only
Maximum relative humidity
of 65%. No condensation
allowed.
Neutralization
(Discharge) Time at 6",
40 psi
< 1 second
Balance (Oset
Voltage) at 6", 40 psi
±15 V
Ion Emision High frequency AC
Dimensions (Pencil) 0.7" Dia. x 6.1" L
(18 mm Dia. x 154 mm L)
Dimensions (Controller) 5.3" W x 2.0" H x 3.0" D
(135 mm x 50 mm x 75 mm)
Weight (Pencil) 0.2 lbs. (95 g)
Weight (Controller) 1.3 lbs. (570 g)
Capacity 10 VA
High Voltage Output 2,500 VAC approx.
Applicable Fluid Clean dry air (CDA)
Air Pressure Range 7 to 87 psi
Supplied Air Flow 6.7 CFM
Abnormality Output MOSFET relay output (B
contact)
Maximum allowed current:
100 mA
Applied voltage:
30 VDC or less
Buzzer Output Buzzer ON at abnormal
discharging
Ozone 0.04 ppm or less
Construction Pencil: PBT
Controller: SECC
Country of Origin Japan
Figure 8. General dimensions (mm)
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