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TB-6559 December 2015 Page 1 of 5
Chargebuster Ion Gun
Installation, Operation and Maintenance
Figure 1. EMIT Chargebuster Ion Gun
Description
The EMIT Chargebuster Ion Gun is a Point-of-Use
Ionizer. It uses compressed air or nitrogen to neutralize
static charges in localized areas. Most companies
address ElectroStatic Attraction, visual imperfections,
and contamination issues by dislodging charged dust and
debris with compressed air ionizers. “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)
The modular and ergonomic design includes an ESD
protective flexible hose and is easily controlled by
depressing the trigger. The EMIT Chargebuster Ion Gun
meets or exceeds the required limits of ANSI/ESD S20.20
when tested in accordance with ANSI/ESD S3.1 and ESD
TR53.
Compact and lightweight, the Chargebuster Ion Gun’s
console can be mounted anywhere on the workstation for
easy access. The console connects to any supply of clean
dry air or nitrogen, and an internal disposable filter collects
residual particles, oil and moisture. The console, gun, and
air hose are static-dissipative. The 7 foot hose allows for
convenient neutralization of localized areas where desired.
© 2015 DESCO INDUSTRIES INC.
Employee Owned
TECHNICAL BULLETIN TB-6559
EMIT - 3651 Walnut Avenue, Chino, CA 91710 • (909) 664-9980 • Website: DescoEMIT.com
The Chargebuster Ion Gun reduces a static charge of
±1000 V down to ±100 V in less than one second at a
distance of six inches (30-psi /0.2MPa inlet pressure).
Refer to the ESD Association ANSI/ESD Standard STM3.1
for the test procedure. The offset voltage (balance) is
within ±30 V of zero at a distance of six inches, significantly
less than the required limits of < ±50 volts per ANSI/ESD
S20.20.
“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
S20.20-2007 Foreword)
“The primary method of static charge control is direct
connection to ground for conductors, static dissipative
materials, and personnel. A complete static control program
must also deal with isolated conductors that cannot be
grounded, insulating materials (e.g., most common plastics),
and moving personnel who cannot use wrist or heel straps
or ESD control flooring and footwear. Air ionization is not
a replacement for grounding methods. It is one component
of a complete static control program. Ionizers are used
when it is not possible to properly ground everything and as
backup to other static control methods. In clean rooms, air
ionization may be one of the few methods of static control
available.” (ESD Handbook TR20.20 Ionization, section
5.3.6.1)
The Chargebuster Ion Gun is available in two models:
Item Power Adapter Input
50644 220VAC
50645 120VAC
Packaging
1 Chargebuster Ion Gun with Hose
1 50646 Air Filter
1 24VAC Power Adapter
1 10' Cable
1 Mounting Plate
1 Quick Coupling
1 S-Hook
4 Screws
1 Certificate of Calibration
NOTE: A power cord must be purchased separately for the
50644 Ion Gun. Use the 50545 power cord for Europe and
the 50546 power cord for UK/Asia.
TB-6559 Page 2 of 5 © 2015 DESCO INDUSTRIES INC.
Employee Owned
EMIT - 3651 Walnut Avenue, Chino, CA 91710 • (909) 664-9980 • Website: DescoEMIT.com
Features and Components
E. Disposable Filter Release / Lock Button: Push down
to release the disposable filter and hose assembly from
the console. This button should also click when properly
attaching the disposable filter and hose assembly to the
console.
F. Disposable Filter: Filters particles, oil and moisture from
the incoming air supply.
Installation
COMPRESSED GAS REQUIREMENTS
NOTE: Failure to use clean dry air or nitrogen may result
in damage to the Chargebuster Ion Gun that is not covered
under the Limited Warranty.
The compressed gas supply must be clean dry air or
nitrogen supplied by a delivery system that utilizes a
refrigerated dryer or equivalent water removal to achieve a
limit of about 550 ppm water vapor at 35°F (1.66°C) Dew
Point. To prevent particles from entering the console, a 2
micron coalescing filter or better is recommended upstream
of the gun console. Note that the filter in the console
collects small residual particles and aerosols and does not
act as a primary filter. The console filter is rated at 0.01
micron for particulates and is effective down to 0.008 micron
for aerosols.
An adequate filter that can be recommended for the inlet
of the Chargebuster Ion Gun would be a Finite Filter Grade
10 Media Specification. This provides a 95% coalescing
efficiency for aerosols with a 0.7 micron (and greater)
particle retention. This removes gross amounts of particles,
water and/or oil and aerosols.
A Grade 6 Media provides 99.98% efficiency when almost
total removal of liquid aerosols and particles are required in
all pressure ranges down to 0.01 microns. Fine filters need
to be changed more often.
MOUNTING THE CONSOLE
Plug one end of the included 10’ cable into the jack on the
back of the console. Plug the other end of the cable into
the unplugged Wall Transformer.
Figure 4: Connecting the cable from the Wall Transformer
to the back of the console
Figure 2: Gun and hose features and components
A
C
D
E
B
Figure 3: Console features and components
A B C
D E F
GUN AND HOSE
A. Hanging Clip: Use to hang the gun on an apparatus.
May also be used with the included S-Hook.
B. Status LED: Illuminates when the trigger is held down.
Indicates when the gun is outputting ionized air.
C. Nozzle: Outputs ionized air when the trigger is held
down.
D. Trigger: Hold down to output ionized air.
E. Filter Connection: Hold down the metal tab to attach or
release the disposable filter.
CONSOLE
A. Power LED: Illuminates when the power is turned ON.
B. Power Switch: Turns the power ON or OFF.
C. Foot Switch Jack: Connect the optional foot switch
here. Contact Service@DescoEMIT.com for more
information.
D. Supply Connection: Use with the quick coupling to
connect to an air supply.
TB-6559 Page 3 of 5 © 2015 DESCO INDUSTRIES INC.
Employee Owned
EMIT - 3651 Walnut Avenue, Chino, CA 91710 • (909) 664-9980 • Website: DescoEMIT.com
Figure 5: Mounting the console to the mounting plate
Figure 6: Inserting the disposable filter
Choose a location that will be convenient to the work area
and the gas supply. The Console takes up very little space
and is adaptable to a variety of permanent or temporary
installations. To minimize bends in the gun hose, orient the
console so that the open end points toward the work area
and the male connector points toward the air supply.
1. Use the included screws to attach the supplied
mounting plate to the threaded holes on the back of the
console.
Figure 7: Connecting the hose and disposable filter to the
console
2. Connect the hose and disposable filter to the console.
Press the disposable filter release button on the front of
the console to lock it down. Push the fitting containing
the disposable filter all the way into the opening in the
console until it latches with a click. It fits only in the
correct orientation. The small plastic fitting on the end
of the disposable filter must align with the metal guide
coupling in the console. You may have to wiggle the
disposable filter slightly while inserting it.
2. Attach the plate to a flat surface, such as a wall or back
of a work bench, using suitable screws and fasteners.
When mounting to a hollow wall be sure to use #8
screws and 3/4” length anchors as a minimum.
MOUNTING TO A GAS SUPPLY
When a gas supply is close to the work area and fitted
with a standard industrial interchange quick coupling, you
may attach the console to the air supply fitting directly. If
necessary, use a prefilter as defined in the COMPRESSED
GAS REQUIREMENTS section of this technical bulletin.
ASSEMBLY
NOTE: Protect the hose from sharp objects, abrasion, and
high temperatures. Do not pull or pinch the hose while
assembling the components.
1. Insert the larger diameter end of the air filter into the
end of the flexible air hose connector. Press the metal
filter release tab at the end of the hose until it locks into
place.
3. Attach the included 1/4” NPT female quick connect
fitting to your gas supply line. Slide the outer ring on
the fitting towards the supply line to insert the mating
fitting on the console. You can attach the console
directly to the gas supply pipe or attach it using a hose
(not supplied). If necessary, use a prefilter as defined
in the COMPRESSED GAS REQUIREMENTS section
of this technical bulletin.
4. If you would like to use the optional foot switch, plug its
cable to the jack located at the top of the console.
Operation
NOTE: Our recommendation is to set the pressure regulator
on your air or nitrogen supply between 20 and 65 psi
(0.14-0.45 MPa). Discharge times vary depending on air
pressure.
Pressures of 30-40 psi (0.2-0.28 MPa) are commonly
used for decontaminating surfaces. OSHA regulations
recommend limiting hand-held air blow-off devices to
maximum pressures of 30 psi (0.2 MPa). The hose is rated
at 65 psi (0.45 MPa) at temperatures up to 75°F (24°C), and
the rating decreases at higher temperatures. When using
high pressures, consider the ambient room temperature as
well as heat from surrounding equipment.
1. Ensure that you are not holding down the trigger, and
turn on the power switch located at the top of the
console. The power LED should illuminate.
TB-6559 Page 4 of 5 © 2015 DESCO INDUSTRIES INC.
Employee Owned
EMIT - 3651 Walnut Avenue, Chino, CA 91710 • (909) 664-9980 • Website: DescoEMIT.com
2. Hold the gun approximately six inches from the surface
you want to neutralize and blow-off. Aim the nozzle
and hold down the trigger. The LED on the back of the
gun should illuminate. Typically, static charges are
discharged within one second.
3. Release the trigger when the surface is clean.
If the optional foot switch is installed, you may use either
the foot switch or gun trigger.
Figure 8: Using the Chargebuster Ion Gun
Maintenance
“All ionization devices will require periodic maintenance for
proper operation. Maintenance intervals for ionizers vary
widely depending on the type of ionization equipment and
use environment. Critical clean room uses will generally
require more frequent attention. It is important to set-up
a routine schedule for ionizer service. Routine service
is typically required to meet quality audit requirements.”
(ESD Handbook TR 20.20 section 5.3.6.7 Maintenance /
Cleaning)
CLEANING THE COMPONENTS
1. Turn off the console and disconnect it from its
electrical power and gas supply sources.
2. Using a cloth moistened with the IPA solution, wipe
the exterior surfaces of the console and gun to
remove any dirt or dust that may have collected.
3. Using a swab moistened with the IPA solution,
gently clean the emitter points on the gun.
Extremely dirty points increase the time needed to
discharge static and can affect the ionization
balance.
REPLACING THE DISPOSABLE FILTER
EMIT recommends that the
disposable
filter be changed
every 3 months or when it begins to look dirty.
1. Turn power off at the console and disconnect the
console from the
gas
supply.
2. Hold down the
disposable
filter release button on
the side of the console.
3. Remove the hose and
disposable
filter from the
console by pulling the textured rubber plug where
the hose emerges from the console. Rocking the
plug back and forth can help loosen the filter. Do
not pull the hose itself.
4. Remove the
disposable
filter from the hose fitting by
depressing the metal release tab on the fitting and
pulling off the air filter.
5. Replace with the new
disposable
filter by following
the procedure in the ASSEMBLY section on page
2.
Specifications
Operating Voltage 120 VAC, 60 Hz (item 50645)
230 VAC, 50 Hz (item 50644)
Operating Temperature 32°F - 104°F (0 - 40°C)
Discharge (±1000V-100V) 1.0 s @ 6", 30 psi
Cleanroom Class Meets ISO 14644-1 Class 4
Console Power 24 VAC from power adapter
Ion Emission Steady-state DC
Emitter Points Tungsten emitter points
Audible Noise 70 dBA @ 1m, 30 psi
Ozone <0.005 ppm
Blow-off Force 41g @ 30 psi;
measured @ 3" from a 2"
diameter target
Volumetric Flow Rate 3.0 SCFM @ 25 psi
3.5 SCFM @ 30 psi
4.0 SCFM @ 35 psi
Air Hose Static-dissipative
polyurethane, 3/8" OD,
7' length, 65 psi
Gas Input 20-65 psi, Clean Dry Air
(CDA) or nitrogen
Gas Connection 1/4" male industrial
interchange quick connect
Gas Air Filter 99.9% efficient, 0.1 micron or
larger
TB-6559 Page 5 of 5 © 2015 DESCO INDUSTRIES INC.
Employee Owned
EMIT - 3651 Walnut Avenue, Chino, CA 91710 • (909) 664-9980 • Website: DescoEMIT.com
Mounting Metal mounting plate
attaches to back of console
Enclosure Gun / Console: static
dissipative polycarbonate
Gun Dimensions 8" L x 3" W x 1" H
Console Dimensions 8.5" L x 3.0" W x 1.6" H
Gun Weight 12 oz
Console Weight 11.5 oz
Certifications CE, UL, RoHS Compliant
Limited Warranty, Warranty Exclusions, Limit of
Liability and RMA Request Instructions
See EMIT’s Warranty -
http://emit.descoindustries.com/Warranty.aspx

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