TSI 9302 Single Jet Atomizer Cost Effective way to Generate a polydisperse Aerosol Stream Owner’s Manual

: September 19, 2024
: tsi

Table of Contents

TSI 9302 Single Jet Atomizer Cost Effective way to Generate a
Specifications
Product Information
Product Usage Instructions
FAQ
About This Manual
MODEL 9302 Single-Jet Atomizer
Operation
Maintenance and Troubleshooting
Replacement Parts
Warranty
CONTACT
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TSI 9302 Single Jet Atomizer Cost Effective way to Generate a

polydisperse Aerosol Stream

Specifications

Product: Single-Jet Atomizer
Model: 9302
Part Number: 1990142
Revision : J
Warranty: August 2024

Product Information

The Single-Jet Atomizer Model 9302 is designed to provide efficient atomization for various applications. It is manufactured by TSI Incorporated and comes with a warranty as specified in the
manual.

Product Usage Instructions

Setup

Before using the atomizer, ensure that all components are clean and free from any obstructions. Connect the atomizer to the appropriate power source as per the manual.

Filling the Atomizer

Fill the atomizer with the recommended fluid as indicated in the\ specifications. Do not overfill the atomizer to prevent spillage.

Operating the Atomizer

Turn on the atomizer following the instructions in the manual. Adjust the settings as needed for your specific application.

FAQ

Q: What should I do if the atomizer malfunctions?
A: If you encounter any issues with the atomizer, please contact your nearest sales office, representative, or TSI Customer Service for assistance.

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About This Manual

Purpose

This manual describes how to use TSI® Incorporated’s Model 9302 Atomizer.

Getting Help
This manual describes how to use TSI® Incorporated’s Model 9302To obtain assistance with this product, or simply to submit suggestions,

please contact Customer Service: |
TSI Incorporated
500 Cardigan Road
Shoreview, MN 55126 USA
Fax: 651-490-3824
Telephone: 1-800-680-1220 (USA) or 651-490-2860
E-mail Address: particle@tsi.com

Submitting Comments
TS/® values your comments and suggestions on this manual. Please use the comment sheet, on the last page of this manual, to send us your opinion on the manual’s usability, to suggest specific improvements, or to report any technical errors If the comment sheet has already been used, mail or fax your comments on another sheet of paper to:

TSI Incorporated
500 Cardigan Road
Shoreview, MN 55126
Fax: 651-490-3824
E-mail address: particle@tsi.com

MODEL 9302 Single-Jet Atomizer

Description

The Model 9302 Single-Jet Atomizer is an aerosol generator originally designed to align and check out laser velocimeters (LV). It can also be used as a simple atomizer for a variety of laboratory uses. A supply of laboratory compressed air is connected directly to the input of its built-in pressure regulator; the pressure gauge shows the air pressure at the output side of the pressure regulator. In this aerosol generator, the compressed air expands through a small orifice (0.5 millimeters in diameter) in the form of a high- velocity jet located in the jet-nozzle assembly.

Location of the Orifice (impactor has been removed)

The jet creates an area of low pressure near the orifice which, in turn, causes the liquid in the reservoir to be sucked up into the orifice. The liquid is then broken into tiny liquid droplets as the liquid and water impact on a spherical impactor, and the compressed air carries the droplets through the outlet tube.

The Atomizer is designed to generate a simple aerosol and should not be used to feed aerosols into a system under pressure.

Operation

Connect the 1/4-inch-dimeter (6.35 mm) compressed air hose to your laboratory air supply (typically 100 psi). Fill the reservoir approximately half-full with the selected liquid. The liquid should be below the level of the black assembly, but high enough so that the liquid draw tube dips into the liquid.

Set the pressure regulator to 25 pounds per square inch (172 kPa).

The aerosol output rate is a function of the pressure setting, and the atomizer can be operated at any pressure between 5 and 55 pounds per square inch (34 and 379 kPa, respectively). The table below shows the\ relationship between pressure, as indicated by the pressure gauge, and output rate. Note that the atomizer outlet is open to the atmosphere.
Table 1
Relationships Between Innut Pressure and Aerosol Output Rate

The Atomizer may be used to generate aerosols from different materials. Four common applications are described in the following sections.
Generating Water Droplets
The easiest way to use the Atomizer for laser velocimeter alignment is to fill the liquid reservoir with tap water.

NOTICE

It is normal for some water to drip from the outlet tube; simply collect it. The diameter of the water droplet at the outlet depends on the pressure setting-droplet diameter decreases with increased pressure. A setting of 25 pounds per square inch (172 kPa) will yield a number mean diameter of approximately 1.5 micrometers.

Generating Salt or Sugar Particles

The Atomizer generates solid particles from water-soluble materials such as salt or sugar. Fill the Atomizer’s reservoir with an aqueous solution of the desired material.
The atomizer will then generate droplets of that solution. Smaller diameter particles of the solute will result if sufficient time is allowed to evaporate the water from the droplets. The resultant particle size depends on the concentration of the solute in the solution.

Dispersing Polystyrene Latex Particles

A common method of generating monodisperse aerosols is to atomize hydrosol that contains monodisperse particles.* For this application, add a drop of monodisperse particles to one liter of distilled water in the reservoir.
Such a large dilution is necessary to ensure that each droplet contains only one polystyrene latex particle. The Atomizer output must be mixed with a large volume of dry
When all the water from these droplets evaporated, polystyrene latex particles of the original diameter were obtained.

Generating Oil Droplets
The Atomizer can also generate particles from silicon oil, dioctyl phthalate, and various vegetable oils such as olive, corn, and peanut oil.

CAUTION
The mist of any oil, even that of edible oil, is unhealthy; exhaust it into free air outside the laboratory. The atomizer is not recommended for atomizing suspensions of solid particles such as aluminum oxide, titanium oxide,
and silica; they will damage the jet-nozzle assembly. To generate these particles, fill the Atomizer’s reservoir with the selected oil. The diameter of the droplets depends on the setting of the pressure regulator. For a setting of 25 pounds per square inch (172 kPa), the number mean diameter of the particles will be approximately v 0.8 micrometer.

Adjusting the Dilution Air
The 9302 also has an internal dilution set screw that can be used to adjust the amount of dilution air that runs through the orifice. A design change has been made to the Model 9302 Atomizer. Previously,
the entire airflow through the Atomizer passed through an orifice nozzle and generated particles. Thus, the full pressure drop was across the nozzle. A rough-adjustment screw has now been added to allow some of\ the pressure to bleed off as dilution air. (This is useful if the seeding concentration is too high.) Now, a portion of the pressure drop is across the wide size range of monodisperse particles is available from Dow Chemical, 1-800-258-2436.nozzle and the rest of the pressure drop is across an orifice that supplies dilution air to the flow and decreases the concentration of particles out of the larger exit nozzle.

The rough adjustment screw is factory-set to provide no dilution air. To change this setting, follow these steps:

Remove the plastic reservoir bowl from the bottom of the Atomizer.
Located along the outside diameter of the black aluminum cylinder (attached to the plastic cap) is a no. 10-32 setscrew. Turn it counterclockwise to open the orifice for dilution. Since slight rotation increases the dilution air substantially, withdraw the setscrew slowly. Several adjustments may be necessary before you achieve the correct particle density. Again, this adjustment is useful only if you want to decrease the particle concentration at the exit of the nozzle. This feature may be useful if you are looking at signals from the flow produced by the Atomizer.
To shut off the dilution air flow, turn the setscrew clockwise and tighten firmly.

Maintenance and Troubleshooting

Generally, the Atomizer requires little maintenance. However, should a piece of dirt become trapped in the parts of the jet-nozzle assembly, compressed air may bubble through the assembly’s long plastic tube. To correct this minor problem, simply dismantle the assembly and carefully clean each part.

Clearing a Clogged Jet or Orifice

Generally, the atomizer requires little maintenance, however, should a piece of dirt or other contaminant becomes trapped in the parts of the jet- nozzle assembly, compressed air may bubble through the assembly’s long plastic tube. To correct this minor problem, simply dismantle the assembly\ and carefully clean each part.
If you suspect the orifice is clogged, begin by turning the internal Dilution set screw completely clockwise so the dilution air is turned OFF. This will give you the most amount of pressure on the jet. Then adjust the pressure to about 10 or 20 psi and see if the atomizer is working. Next, remove the lower plastic jar and with some water in a cap or small container, see if the atomizer draw tube is sucking up any water and spraying.
If not, it is possible there is some contamination in between the jet and the venturi cap which has the draw tube attached.\ Refer to the view below which is tipped upside down as its easier to disassemble and re-assemble. To disassemble, pull up on the square\ plastic knob. Once the Impaction disk is removed you can remove the draw tube/venturi and jet. Check both to make sure they are clear of any contamination. Also, verify that the O-ring is still in place.

Replacement Parts

Reader’s Comments

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Warranty

Part Number 1990142 / Revision J / August 2024
Copyright
©TSI Incorporated / November 1988-2024 / All rights reserved.
Address
TSI Incorporated / 500 Cardigan Road / P.O. Box 64394 / St. Paul, MN 55164 / USA
Fax No.
651-490-3824
E-mail Address fluid@tsi.com

Limitation of Warranty and Liability (effective May 2024)

(For country-specific terms and conditions outside of the USA, please visit www.tsi.com.)Seller warrants the goods, excluding software sold hereunder, under normal use and service as described in the operator’s manual, to be free from defects in workmanship and material for the longer period of either 12 months or the length of time specified in the operator’s manual/warranty statement provided with the goods or made available electronically (version published at the time of sale), from the date of shipment to the customer. This warranty period is inclusive of any statutory warranty. This limited warranty is subject to the followina exclusions and exceptions:

Hot-wire or hot-film sensors used with research anemometers, and certain other components when indicated in specifications, are warranted for 90 days from the date of shipment.
Pumps are warranted for hours of operation as set forth in product or operator’s manuals (versions published at the time of sale);
Parts repaired or replaced as a result of repair services are warranted to be free from defects in workmanship and material, under normal use, for 90 days from the date f shipment;
Seller does not provide any warranty on finished goods manufactured by others or on any fuses, batteries or other consumable materials. Only the original manufacturer’s warranty applies;
This warranty does not cover calibration requirements, and Seller warrants only that the goods are properly calibrated at the time of its manufacture. Goods returned for calibration are not covered by this warranty;
This warranty is VOID if the goods are opened by anyone other than a factory authorized service center with the one exception where requirements set forth in the operator’s manual (version published at the time of sale) allow an operator to replace consumables\ or perform recommended cleaning;
This warranty is VOID if the goods have been misused, neglected, subjected to accidental or intentional damage, or is not properly installed, maintained, or cleaned according to the requirements of the operator’s manual (version published at the time of sale). Unless specifically authorized in a separate writing by Seller, Seller makes no warranty with respect to, and shall have no liability in connection with, goods which are incorporated into other products or equipment, or which are modified by any person other than Seller.
New parts or components purchased are warranted to be free from defects in workmanship and material, under normal use, for 90 days from the date of shipment.

The foregoing is IN LIEU OF all other warranties and is subject to the LIMITATIONS stated herein.

NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE. WITH RESPECT TO SELLER’S BREACH OF THE IMPLIED WARRANTY AGAINST INFRINGEMENT, SAID WARRANTY IS LIMITED TO CLAIMS OF DIRECT INFRINGEMENT AND EXCLUDES CLAIMS OF CONTRIBUTORY ORINDUCED INFRINGEMENTS.
BUYER’S EXCLUSIVE REMEDY SHALL BE THE RETURN OF THE PURCHASE PRICE DISCOUNTED FOR REASONABLE WEAR AND TEAR OR AT SELLER’S OPTION REPLACEMENT OF THE GOODS WITH NONINFRINGING GOODS.
TO THE EXTENT PERMITTED BY LAW, THE EXCLUSIVE REMEDY OF THE USER OR BUYER, AND THE LIMIT OF SELLER’S LIABILITY FOR ANY AND ALL LOSSES, INJURIES, OR DAMAGES CONCERNING THE GOODS (INCLUDING CLAIMS BASED ON CONTRACT, NEGLIGENCE, TORT, STRICT LIABILITY OR OTHERWISE) SHALL BE THERETURN OF GOODS TO SELLER AND THE REFUND OF THE PURCHASE PRICE, OR, AT THE OPTION OF SELLER, THE REPAIR OR REPLACEMENT OF THE GOODS. IN THE CASE OF SOFTWARE, THE SELLER WILL REPAIR OR REPLACE DEFECTIVE SOFTWARE OR IF UNABLE TO DO SO, WILL REFUND THE PURCHASE PRICE OF THE SOFTWARE. IN NO EVENT SHALL SELLER BE LIABLE FOR LOST PROFITS, BUSINESS
INTERRUPTION, OR ANY SPECIAL, INDIRECT, CONSEQUENTIAL, OR INCIDENTAL DAMAGES. SELLER SHALL NOT BE RESPONSIBLE FOR INSTALLATION, DISMANTLING REINSTALLATION COSTS, OR CHARGES. No

Action, regardless of form, may be brought against Seller more than 12 months after a cause of action has accrued. The goods returned under warranty to Seller’s factory shall be at Buyer’s risk of loss and will be returned,
if at all, at Seller’s risk of loss. Buyer and all users are deemed to have accepted this LIMITATION OF WARRANTY AND LIABILITY, which contains the complete and exclusive limited warranty of Seller. This LIMITATION OF WARRANTY AND LIABILITY may not be amended, modified, or its terms waived, except by writing signed by an Officer of Seller.

Service Policy

Knowing that inoperative or defective instruments are as detrimental to TSI as they are to our customers, our service policy is designed to give prompt attention to any problems. If any malfunction is discovered, please contact your nearest sales office or representative, or call TS!’s Customer Service at 1-800-680-1220 (USA) or 651-490-2860.

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