{"product_id":"five-piece-roughness-calibration-block-set-with-sq","title":"Five Piece Roughness Calibration Block Set With Square Wave Patterns For Surface Roughness Tester Gauges, RA 0.1 0.4 0.8 1.6 3.2 μm, Multi Engraved Lines For Precise Calibration","description":"\u003cdiv\u003eSquare Wave Roughness Calibration Block Set, 5pc\u003cbr\u003e\n✔️ RA 0.1 to 3.2 μm, five blocks, ISO 5436-1 and GB\/T compliant \u003cp\u003eThese five-piece calibration blocks use a glass-based roughness pattern to verify readings on roughness testers. They are intended for handheld, portable, and bench-top instruments and conform to key standards to ensure reliable calibrations.\u003c\/p\u003e \u003cp\u003e✅ Five blocks cover Ra values of 0.1, 0.4, 0.8, 1.6, 3.2 μm\u003cbr\u003e\n✅ Glass-based, high hardness substrate resists scratches\u003cbr\u003e\n✅ Simulated sine and triangular grooves minimize stylus radius impact\u003cbr\u003e\n✅ Fully compliant with ISO 5436-1:2000 and GB\/T19067-2003\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a roughness calibration block used for?\nA handy standard to verify and adjust readings on roughness testers to ensure accuracy across devices.\n- used to calibrate pocket-sized to bench-top roughness meters\n- follows ISO 5436-1:2000 and GB\/T19067-2003 standards\n- includes square wave patterns for straightforward checks\u003c\/p\u003e \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48161283506411,"sku":"VXB0FRMKNHRD","price":744.88,"currency_code":"USD","in_stock":true}],"url":"https:\/\/vxb.com\/products\/five-piece-roughness-calibration-block-set-with-sq","provider":"VXB Bearings","version":"1.0","type":"link"}