{"product_id":"rubert-525-precision-reference-specimen-type-c-sine-wave-ra-6-25-m-250-in","title":"Rubert 525 | Precision Reference Specimen | Type C, Sine wave, Ra = 6.25 µm (250 µin)","description":"\u003cp\u003eThe Rubert 525 is an ISO 5436-1 type C precision reference specimen with a sine wave profile, used for checking and calibrating surface measuring instruments. It has RSm = 135 µm, Pt = 19 µm, giving Ra = 6.25 µm (250 µin). It is offered in two versions: 525E, with a hard nickel-boron top layer, and 525X, without a top layer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eISO 5436-1 type C, sine wave profile\u003c\/li\u003e\n\u003cli\u003eRSm = 135 µm, Pt = 19 µm; Ra = 6.25 µm (250 µin)\u003c\/li\u003e\n\u003cli\u003eElectroformed nickel; 525E with hard nickel-boron top layer or 525X without\u003c\/li\u003e\n\u003cli\u003eUKAS calibration available on request from Rubert's accredited laboratory\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rubert","offers":[{"title":"525E – nickel-boron top layer","offer_id":67656284307569,"sku":"525E","price":0.0,"currency_code":"AED","in_stock":true},{"title":"525X – no top layer","offer_id":67656284340337,"sku":"525X","price":0.0,"currency_code":"AED","in_stock":true}],"url":"https:\/\/www.generaltechshop.ae\/products\/rubert-525-precision-reference-specimen-type-c-sine-wave-ra-6-25-m-250-in","provider":"General Tech Services LLC","version":"1.0","type":"link"}