{"product_id":"rubert-543-precision-reference-specimen-type-b-c-sine-wave-ra-0-04-m-1-58-in","title":"Rubert 543 | Precision Reference Specimen | Type B\/C, Sine wave, Ra = 0.04 µm (1.58 µin)","description":"\u003cp\u003eThe Rubert 543 is an ISO 5436-1 type B\/C precision reference specimen with a sine wave profile, used for checking and calibrating surface measuring instruments. It has RSm = 2.5 µm, Pt = 0.12 µm, giving Ra = 0.04 µm (1.58 µin). It is offered in two versions: 543E, with a hard nickel-boron top layer, and 543X, 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 B\/C, sine wave profile\u003c\/li\u003e\n\u003cli\u003eRSm = 2.5 µm, Pt = 0.12 µm; Ra = 0.04 µm (1.58 µin)\u003c\/li\u003e\n\u003cli\u003eElectroformed nickel; 543E with hard nickel-boron top layer or 543X 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":"543E – nickel-boron top layer","offer_id":67656278179953,"sku":"543E","price":0.0,"currency_code":"AED","in_stock":true},{"title":"543X – no top layer","offer_id":67656278212721,"sku":"543X","price":0.0,"currency_code":"AED","in_stock":true}],"url":"https:\/\/www.generaltechshop.ae\/products\/rubert-543-precision-reference-specimen-type-b-c-sine-wave-ra-0-04-m-1-58-in","provider":"General Tech Services LLC","version":"1.0","type":"link"}