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The 990SRM measures surface resistivity

15 August 2008

The 990SRM from Meech International is a compact, hand-held unit for measuring the surface resistivity of a material. This information, displayed in the industry standard unit of Ohms per square, provides users with a quick and easy method of assessing a material’s characteristics, as well as helping them to decide whether quality or productivity problems may be due to static charge.

The 990SRM measures surface resistivity
The 990SRM measures surface resistivity

The 990SRM can be used to make point to point and surface to ground measurements, which makes it useful when checking whether or not equipment is grounded.

The simple, repeatable measurements range from 103 to 1012 Ohms per square, with the unit also giving a colour-coded indication of the resistivity of the material being measured.

The Meech 990SRM is particularly useful in the plastics industry, where although most plastics would test as insulative; some coatings may cause them to have increased surface conductivity. Being able to measure the resistivity will help engineers to control static electricity levels during processing.

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