Alpha Metals 600R Omega Meter

SALES STATUS: Sold

Alpha Metals 600R Omega Meter

IBE SMT Inventory ID : 220514-001
Alpha Metals Serial Number : 06594
Vintage :

Details

Ionic Contamination Test System
18" x 24" Test Cell
115 V.A.C.

Specifications ( See Details above for installed options )

The Alpha Metals Omega Meter model 600R is microprocessor controlled ionic contamination test system. It is designed to perform cleanliness testing on printed circuit boards and/or other parts. The Alpha Metals Omega Meter is used to determine the quantity of ionic contamination on a specimen under test, typically a printed circuit board (PCB).

The key to reducing failures due to ionic contamination is in the cleaning. But how does one determine that a board, component or printed-wiring assembly is, in fact, clean? That is what the Omega Meter is for.

The electrical resistivity of a known volume of an aqueous solution represents the direct measurement of levels of ionic contaminant present in the solution. Quantitative measurements of ionic contamination on parts can be made by measuring the electrical resistivity of a known volume of rinse solution used to extract and remove the ionizable contaminant off the known surface area of a sample being tested. The extract solution must be of an extremely high level of purity.

The Omega Meter System is an automated process of the recommended manual test procedure as outlined in section 4.8.3 of MIL-P-28809, "Military Specifications Printed Wiring Assemblies." A wash solution of 75% by volume of ACS reagent grade isopropyl alcohol and 25% by volume of distilled water is measured into the test cell through a set of D.I. columns to achieve a resistivity exceeding 20 megohm centimeter. Other formulations of alcohol and water including D.I. water alone may be used to comply with special test requirements.

A sample (component or assembly) is submerged into the clean test solution and the solution is agitated to promote removal and solubilization of all ionic residues from the test sample. The change in resistivity is continuously monitored and displayed on the LCD display on the console. Knowing the area of the sample in inches, the volume of solution in millimeters and the resistivity in megohms, the system automatically calculates the contamination that has been added to the solution in "micrograms" of equivalent Sodium Chloride per square inch. When the test is completed, the test parameters are printed along with the total contamination extracted from the test sample.

Contaminated test solution is regenerated through the D.I. columns to obtain the required purity for reuse in subsequent tests. The closed loop Omega Meter System may be used for many months of testing with minimal addition of fresh solution.

Typically the contamination on the PCB would be process residues left over from the fabrication of the circuit board, or left over from the board assembly process. You want to measure this contamination to be sure that your cleaning steps in making the PCB or assembling the PCB are doing a good job and removing the chemical residues due to these processes.

You perform this test by placing the PCB specimen in the "Test Cell" (the large Plexiglass container on the top of the unit). Then the system fills the Test Cell with an isolated volume of IPA/Water test solution (not included). This solution is heated and agitated and removes any contamination on the PCB. The ionic contamination is then determined by monitoring the resistivity of the test solution.

The Omega Meter then provides a printout of the results using the embedded printer located on the front panel.

This type of equipment is normally used in a manufacturing facility to measure printed circuit boards contamination as part of printed circuit board fabrication and/or assembly operations.

The unit has a large 18 x 24 inch Test Cel

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IBE SMT Equipment, LLC
318 Corporate Woods Drive, Magnolia, TX 77354
Toll Free: (800) 353-6942 Phone: (281) 259-9660 Fax: (281) 259-8863

Alpha Metals 600R Omega Meter, omega meter, 600R, alpha metals, contamination tester, omegameter, ionic tester, SMT, used - IBE ID: 220514-001
All Equipment is subject to prior sale - All prices and terms are subject to change without notice. © Copyright 2007. IBE SMT Equipment, LLC All Rights Reserved.

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Alpha Metals 600R Omega Meter

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