multi parameter roughness meter with 4 filters

{"cid":"91150510","title":"SRT-6210 Multi-Parameter Digital Surface Roughness Meter with 4 Filtering Methods & Data Storage","imgUrl":"https:\/\/img.chinax.com\/nimg\/f2\/18\/ecc20be10684ed6b025a2a732599-200x200-1.jpg","attrs":{"Brand Name":"HUATEC","Model Number":"SRT-6210","Minimum Order Quantity":"1 pc","Delivery Time":"10-15 working days after receipt of your payment","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T,Paypal","Supply Ability":"10sets\/Month","Packaging Details":"Carton packing box","Display":"4 digits, 10 mm LCD, with blue backlight","Parameters":"Ra, Rz, Rq, Rt","Measuring Range":"Ra, Rq: 0.005-16.00um\/0.020-629.9uinch ;Rz,Rt: 0.020-160.0um\/0.078-6299uinch","Accuracy":"Not more than 10%"}}