ysi 5100 portable do meter

{"cid":"91150510","title":"Surface Roughness Profilometer Surface Profile Gauge Surface Roughness meter","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/40\/413f955329106a1468ce0d354bf7-200x200-1.jpg","attrs":{"Price":"300-400USD","Brand Name":"HUATEC","Model Number":"SRT 5100","Minimum Order Quantity":"1 set","Delivery Time":"3-7 working days","Place of Origin":"China","Packaging Details":"Carton","Payment Terms":"TT, L\/C, Western Union","Certification":"CE ISO","Supply Ability":"500pcs per month","Standard":"STM D 4417-B, IMO MSC.215(82), SANS 5772, US Navy NSI 009-32, US Navy PPI 63101-000","Testing Range":"0 \u03bcm to 800 \u03bcm (0 mils to 30 mils)","Communication Port":"RS232 or USB or bluetooth","Resolution":"1 \u03bcm (0.1 mils)","Dimensions":"162\u00d765\u00d728mm","Weight":"280g"}}