{"product_id":"dkfa-dga-magnethalter","title":"DKFA Magnet Holder with StrainPad","description":"\u003cp\u003eSurface strain measured without glue: two springs and two knurled screws press the \u003cstrong\u003eStrainPad\u003c\/strong\u003e – an encapsulated foil strain gauge of 10 mm diameter and 0.2 mm height – so firmly against a ferromagnetic surface that friction takes over the task of the adhesive.\u003c\/p\u003e\n\u003cp\u003eWhat the gauge then reads is the surface strain, in the same quality as a bonded gauge, and it reads it within seconds instead of the three quarters of an hour a bonded gauge needs to be prepared, glued and cured. The holder is taken off as quickly as it went on and used again on the next measuring point; nothing is drilled, nothing is ground, nothing is consumed. It cannot be overloaded – instead of damage an offset appears.\u003c\/p\u003e\n\u003ch2\u003eMeasurement\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect reading of the surface strain, like a bonded strain gauge\u003c\/li\u003e\n\u003cli\u003eMaximum strain ± 800 µm\/m\u003c\/li\u003e\n\u003cli\u003e350 Ω foil gauge, k = 2.0 ± 3 %\u003c\/li\u003e\n\u003cli\u003eUniaxial, 0.6 mm constantan grid, polyimide encapsulation, Ø 10 mm at 0.2 mm height\u003c\/li\u003e\n\u003cli\u003eAccuracy \u0026lt; ± 0.5 % of full scale, transverse sensitivity −0.1 %\u003c\/li\u003e\n\u003cli\u003eCannot be overloaded – an offset appears instead of damage\u003c\/li\u003e\n\u003cli\u003e1,000,000 load cycles at 300 µm\/m strain\u003c\/li\u003e\n\u003cli\u003ePassive – no amplifier inside; recommended bridge voltage 1 V, 10 V at most\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMounting and use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHolds magnetically – no drilling, grinding or gluing\u003c\/li\u003e\n\u003cli\u003eMounted and removed in seconds, reusable\u003c\/li\u003e\n\u003cli\u003eContact force 100 … 300 N, settling time 15 minutes\u003c\/li\u003e\n\u003cli\u003eSmallest radius of curvature 3 mm\u003c\/li\u003e\n\u003cli\u003eOperating temperature 5 … 60 °C, reference temperature 23 °C\u003c\/li\u003e\n\u003cli\u003eTemperature matching of 10.8·10⁻⁶ 1\/K for ferritic steel is possible\u003c\/li\u003e\n\u003cli\u003eHolders made of aluminium\u003c\/li\u003e\n\u003cli\u003eFor dynamic applications, for checking FEM calculations and for stress analysis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVersions\u003c\/h2\u003e\n\u003cp\u003eShown is the magnet holder with StrainPad. Other standard holders are available and individual ones are built to the application. Tell us the measuring point and we will name the holder that fits.\u003c\/p\u003e","brand":"octogon Shop","offers":[{"title":"Default Title","offer_id":57266202935622,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/5558\/6374\/files\/DKFA_DGA__titelbild_41597a17-0a43-4396-a950-7073df1966d9.png?v=1790091880","url":"https:\/\/octogon-sensors.com\/en\/products\/dkfa-dga-magnethalter","provider":"octogon GmbH","version":"1.0","type":"link"}