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Micro-Measurements Strain Gages

Backing Materials

The gage backing (or matrix) supports the grid during handling and installation, transmits strain from the specimen to the grid of the bonded gage, and (in most cases) provides electrical insulation between the grid and specimen.

Standard Backings

E Open-faced general-purpose gage with tough, flexible cast polyimide backing. Various options are available, including lead connection features and protective encapsulation.

CE Flexible gages with a cast polyimide backing and encapsulation featuring large, rugged, copper-coated solder tabs. This construction provides optimum capability for direct leadwire attachment.

N2 The 'N2' matrix provides an open-faced gage on a thin, high-performance laminated polyimide film backing.

S2 Gage grid and solder tabs fully encapsulated in a thin, flexible, laminated polyimide film. Provided with large [0.030 in (0.75 mm)] solder pads for ease of leadwire attachment.

W Provides a gage fully encapsulated in glass-fiber-reinforced epoxy-phenolic resin. High-endurance leadwires.

S Full encapsulation identical to the W matrix, but with solder dot connections instead of leadwires.