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I n s t a l l a t i o n G u i d e | R e v . C Optical Strain Gage os3150 os3155 Micron Optics Inc. phone 404 325 0005 1852 Century Place NE 404 325 4082 Atlanta, GA 30345 USA www.micronoptics.com...
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Figure 2 – os3155 Gage Introduction: This installation guide details the installation of both the os3150 and os3155 strain gages shown in Figures 1 and 2. These gages are similar in construction except that the os3155 includes a second FBG for temperature compensation.
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Optical Strain Gages | os3150 os3155 the sensor. The coarser surface is required for proper adhesion of the waterproof seal and protective paint topcoat. Wipe the surface clean with a compatible solvent and inspect the surface to ensure that all surface defects have been removed.
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Micron Optics recommends the following accessories for use in aboveground installations on steel structures. In many applications, additional testing may be required to determine if additional sensor protection is required.
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Optical Strain Gages | os3150 os3155 Figure 6 – Surface Prep Area Cover the sensor with a strip of Polyimide Tape as shown in Figure 7. Cut a piece of STOPAQ and form it into a 1/8 inch [3mm] thick sheet. Wear gloves while handling the STOPAQ material to prevent contamination from finger oils.
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Optical Strain Gages | os3150 os3155 Figure 9 – STOPAQ Paste Detail Cut a piece of STOPAQ WrappingBand EZ 4 x 7 ½ inch [100 x 190mm] Position STOPAQ over the gage and center as shown in Figure 10. Starting from the center and working toward the edges, gently press the STOPAQ in place, forcing out any air.
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Optical Strain Gages | os3150 os3155 Figure 13 – os315X Protective Cover & Insulation Kit The installed cover is shown in Figure 14. Figure 14 –Covered Sensor The drawing for the stainless steel cover is shown in Figure 15 for those needing to modify or provide their own covers.
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