{"product_id":"mitutoyo-surftest-sj-220r-retract-drive-roughness-tester-178-743-11","title":"Mitutoyo 178-743-11 | Surftest SJ-220R Retract-Drive Roughness Tester | Retract-Drive, 17.5 mm","description":"\u003cp\u003eItem 178-743-11 is the SJ-220R, the Retract-Drive version of the SJ-220 portable roughness tester. Like the standard unit it has a 17.5 mm traverse, a 2.8 in touchscreen and battery operation. For the standard drive version with the same 17.5 mm traverse, see 178-741-11.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDrive type given as Retract-Drive\u003c\/li\u003e\n\u003cli\u003eStylus: diamond, 2 µm radius, 60° angle; force 0.75 mN\u003c\/li\u003e\n\u003cli\u003eMeasuring speeds 0.25, 0.5, 0.75 and 1 mm\/s; detector range 360 µm\u003c\/li\u003e\n\u003cli\u003eProfiles: primary (P), roughness (R), R-Motif and DF-profile\u003c\/li\u003e\n\u003cli\u003eWeighs 510 g; cut-off lengths λc 0.08 to 8 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default Title","offer_id":68212130644081,"sku":"178-743-11","price":0.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/3930\/0977\/files\/mtyn-178-741-11_202311_IM-1_jpg.webp?v=1793615909","url":"https:\/\/www.generaltechshop.ae\/products\/mitutoyo-surftest-sj-220r-retract-drive-roughness-tester-178-743-11","provider":"General Tech Services LLC","version":"1.0","type":"link"}