参数资料
| 型号： | 19588 |
| 厂商： | Desco |
| 文件页数： | 2/4页 |
| 文件大小： | 0K |
| 描述： | CONTR HAND GUN W/HOSE 220V NIST |
| 标准包装： | 1 |
| 类型： | 电离器，风枪 |
| 安装类型： | 台式 |
| 输入电压： | 220VAC |
TB-2079 Page 2 of 4
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: Desco.com
IMPORTANT NOTE: User should exercise caution when using
any compressed air device.
Figure 2. Connecting the optional filter. (Available as item #60355)
Electrical requirements
The Ion Python and Neutralizing Hand Gun must be connected to
a properly grounded receptacle for the units to operate properly. It
is recommended that the AC outlet be checked for proper wiring
and grounding.
Do not under any circumstances remove the ground pin from
the plug of these units.
NOTE: Grounding of these units is necessary not only
to ensure that they operate properly, but to eliminate the
possibility of an electrical shock.
Operation
Turn on unit with switch on the front panel. The green light
indicates that the air nozzle is ready for use. Point nozzle at object
to be cleaned or neutralized.
For the Neutralizing Hand Gun, push button on the nozzle body
to initiate the flow of air and neutralizing ions. Best results are
normally obtained when holding the nozzle within 2 or 3 feet of the
item being neutralized; hold the nozzle closer when required.
NOTE: Unit is not designed for continuous duty.
A needle valve is located on the back of the unit for fine
adjustments to the air flow, or for shutting off the air to the nozzle.
Airflow on the unit can be adjusted from a gentle blow to a strong
blast, allowing for use in most applications. Do not obstruct the
air jet with fingers or other objects. Do not force any object into
the air jet hole; this action can easily damage the emitter pin and
prevent the controller from producing the ionization necessary for
neutralizing static charges.
The ion balance is affected by many factors, such as distance, air
flow, humidity, and emitter contamination. Therefore, before using
this device around components and assemblies which are highly
sensitive to ESD, it is recommended that the user thoroughly
evaluate the application prior to its use. Avoid sharply bending or
crushing the black convoluted tubing under feet, rolling chairs or
other furniture.
IMPORTANT NOTE: These air nozzles are not explosion proof.
Do not use in environments where volatile materials are
present.
Desco solid-state electronic equipment is compact and rugged but
should be treated as sensitive electronic equipment. With proper
installation and a continued preventive maintenance program you
will ensure the proper performance of the unit.
Theory of Operation
The Ion Python and Neutralizing Hand gun employ high voltage
AC to create a balanced ion field. AC systems utilize emitters
that are switched rapidly between positive and negative high
voltage, usually at the power line frequency (50/60 Hz). The
emitter is located at the end of the nozzle. This emitter produces
large amounts of positive and negative ions, which mix with the
air supply and create a highly effective neutralizing field. Any
material within this field will be neutralized rapidly. The air nozzles
also eliminate contamination by dislodging dust and debris
which is attracted to a material’s surface by static charges. Once
static charges are neutralized, dust particles and other forms of
contamination are freed and carried away by the air stream. Desco
ionizers meet the ANSI/ESD S20.20 minimum recommended
technical requirement range of less than ±50 volts voltage offset
tested in accordance with ANSI EOS/ESD S3.1. Air Nozzle
Ionizers provide ±20 volt balance.
Maintenance
“As with all ionizers, periodic maintenance will be needed to
provide optimum performance.” (Reference: IEC 61340-5-2:1
paragraph 5.2.9).
The frequency of monitoring ionizers really depends on how and
where they are used. Since the majority of them use a fan to
transport the ions to the working area, the cleanliness of the air
directly affects their performance over time and how often the
emitters should be cleaned.
EIA-625 recommends checking ionizers every 6 months, but
this may not be suitable for many programs particularly since an
out-of-balance may exist for months before it is checked again.
ANSI/ESD S20.20 paragraph 6.1.3.1 Compliance Verification
Plan Requirement states: “Test equipment shall be selected to
make measurements of appropriate properties of the technical
requirements that are incorporated into the ESD
program plan.”
And paragraph 6.1.3.2. Compliance Verification Plan Guidance
states: “In addition to internal audits, external audits (Organization
and supplier of ESDS items) should be performed to ensure
compliance with planned requirements. Verifications should
include routine checks of the Technical Requirements in the Plan.
The frequency of verification checks should be based on the
control item usage, its durability and associated risk of failure.”
Under normal conditions, the ionizer will attract dirt and dust
(especially on the emitter electrodes). To maintain optimum
performance, cleaning
must be performed on a regular basis. The
electrodes should be cleaned at least every six months. However,
more frequent cleaning may be required if used in environments
with more contaminants.
Air supply
conection
Needle
valve
Figure 3. Airflow adjustment valve.
2010 DESCO INDUSTRIES INC.
Employee Owned
Filter (when used)
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