gb t 3505 2009 surface roughness tester

{"cid":"90037963","title":"6mm Traverse Length Pocket Surface Roughness Tester GB\/T 3505-2009 Standard","imgUrl":"https:\/\/img.ismap.com\/nimg\/9e\/ad\/02e7a2de05a829e1c5ac4f15778b-200x200-1.jpg","attrs":{"Price":"USD400-800\/Pcs","Brand Name":"SADT","Model Number":"SR110","Minimum Order Quantity":"1 pcs","Delivery Time":"5-8 days","Certification":"ISO9001 SGS","Place of Origin":"China","Payment Terms":"T\/T, Western Union, Paypal","Supply Ability":"300 pcs \/months","Packaging Details":"carring case with carton","Measuring range":"Ra: 0.05\u03bcm-10.0\u03bcm, Rz: 0.1\u03bcm-50\u03bcm","Parameters":"Ra, Rz, Rq, Rt","Standards":"GB\/T 3505-2009","Filter":"RC, PC-RC, Gauss, D-P","Traverse Length":"6mm","Sampling length (lr)":"0.25mm, 0.80mm, 2.5mm","Power supply":"3.7V built-in lithium-polymer battery","Weight":"approximately 180g"}}