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topic 1821

Measuring the current density in a chromium bath


We are looking for a device to determine the effective current density in electroplating. I know there exists a induction coil type of apparatus. Our application is to use it in a chromium plating bath.

Bosch Albert
- Apeldoorn, The Netherlands


Dear Mr Bosch ,

There is a company called Quality Control Instruments , in Oak Ridge , Tennessee that market just what you are looking for ,

Their instrument reads directly in Amps / sq ft , requires no calibration , not influenced by bath chemistry and has probes up to 9 feet long .

I hope it's what you are looking for

Best regards

John Tenison-Woods
John Tenison - Woods
- Victoria Australia


Quality Control Instruments has built that type of instrument for several years. I believe that it is derived from a Boeing patent.

Since I am not unpacked from a move, I can not give a firm address, but they used to be in Oak Ridge, TN.

Very small company of extremely nice people.

James Watts
- Navarre, Florida


If it is possible I would like some contact information for Quality Control Instruments. I have searched in Oak Ridge, but cannot find them. I am looking for a probe to measure current density in an electropolish bath.

Shawn Carter
- Santa Rosa CA, USA


I am reasonably sure that they closed and their product line was taken over by Industrial Instruments Inc. of Newport News, VA. I know for certain that Industrial Instruments offers such a product line and is still in business (2005). Also a small company of very nice people.

Ted Mooney, Teds signature
Ted Mooney, P.E.
Pine Beach, New Jersey

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