{"product_id":"sys-b-portable-sand-mould-surface-hardness-tester-for-coarse-sand-core-surface-hardness-testing","title":"SYS-B Portable Sand Mould Surface Hardness Tester for Coarse Sand (Core) Surface Hardness Testing","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApplicable to manual or mechanical low and medium pressure molding of fine, coarse sand (core) surface hardness test.\u003c\/li\u003e\n\u003cli\u003eAccording to the principle that the force of the spring is linear with the stroke, the distance of the stroke is expressed by the surface pointer through the transmission of a set of gears and racks.\u003c\/li\u003e\n\u003cli\u003eModel:SYS-B\u003c\/li\u003e\n\u003cli\u003eCompression stroke:2.50mm\u003c\/li\u003e\n\u003cli\u003eMaximum load:980G\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e Usage method\u003cbr\u003eAdjust the 0 bit, when the pointer is not in the 0 bit, turn the adjustment ring, so that the pointer to 0.\u003cbr\u003eWhen used, the hardness is pressed in the sand on the test plane (axis hardness of the surface to be perpendicular to the plane of the sand), sand hardness meter gauge plane and the close contact, the pointer is stopped at a certain value, press the locking pin to lock, reading test a fixed value, and then releasing the locking pin so that the pointer reply 0.\u003cbr\u003eThe determination was made at 3~5 times per assay, and then the average number was calculated, as well as the hardness of the part.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eTechnical parameter:\u003c\/strong\u003e\u003cbr\u003eModel:B type\u003cbr\u003eCompression stroke:2.50mm\u003cbr\u003eMaximum load:980G\u003cbr\u003eLoad under pressure:50g\u003cbr\u003eHead shape and size:Ball R12.70\u003cbr\u003eAccuracy:\u003cbr\u003eWhen the pointer is at any value, the relative force of the pressure head is equal to + 5%\u003cbr\u003eWhen the pointer goes back to the 0 bit, the tolerance is 1 degrees\u003cbr\u003eOutline size:90 x 55 x 28mm\u003c\/p\u003e\n\u003cp\u003eMina\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221403795526,"sku":"B08H53Q4MS","price":206.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/51fKxnqsFQS.jpg?v=1748505489","url":"https:\/\/www.graigartech.com\/el\/products\/sys-b-portable-sand-mould-surface-hardness-tester-for-coarse-sand-core-surface-hardness-testing","provider":"Shenzhen Graigar Technology Co.,Ltd.","version":"1.0","type":"link"}