OM600 lid repair or replace
- This topic has 7 replies, 3 voices, and was last updated 15 years, 10 months ago by
ngc2009.
ngc2009.-
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We have an omegameter lid with a large crack and corner pieces missing. Is this something that can be repaired. Has anyone else tried to repair a lid and if so what did you use? I am concerned that the high concentration of alcohol in the test fluid has made the plastic brittle and don’t want any repair to be short lived because of the alcohol and have a similar problem in a few months. Should I try and repair, or find a replacement. This machine is from 1985 so I am not sure if I can even get parts for it. Any ideas?
What version of omegameter do you have? What is the size of the test cell that this lid is for? How big is the damage compared to the size of the lid? Give us some more information.
Its an omegameter 600R with a 12″ x 18″ test cell. The crack is from corner and extends at an angle about 8″. The edging at the corner and one side is completely gone, and will have to be remade.
That sounds rough. Is the test cell also brittle and in bad shape? Do you have all the lid pieces, or are there sections missing?
The crack on the lid is not missing any plastic, just a crack. But the trim piece around the edge of the lid is missing a big chuck, and also a small part of the top, maybe only 1/4″ wide by about 3″ long. The lid was dropped and hit on the corner. The crack is from the corner and goes towards the adjacent edge and is about 8″ long. Its a tight crack, so difficult to get glue in it. I have some spare acrylic plastic, but it is not as thick and I don’t know if it is good to use. I was thinking of using super glue, but as I said, I am not sure I can get the glue into the crack and it just might seal the surface without really fixing the crack and be very weak.
Just contact Scientific Solutions support. They can advise what can be done based upon the amount of damage. I had a similar situation, and tried super glue, contact cement, glue goo and other stuff and it seemed good, but failed in a few months. Acrylic is a no. It is just not the right type of plastic. We ended up just buying a new replacement lid from Scientific Solutions. You need a good lid to minimize evaporation of the test liquid and also to avoid air-based ions from entering the test cell during a test.
I think ion-man is right. Sounds like the old lid is too far gone. The omegameter 600R is from the 1980s, so you you can’t expect that plastic to hold up forever, and the alcohol can make the plastic very brittle over time.
Thanks to you both. We contacted Scientific Solutions and sent them pictures. Yeah, the lid is a mess. They gave us some ideas for repair, but we decided just to buy a replacement lid from them. They had a good price and it was in stock – makes my manager happy!
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