dt 2234b tachometer

{"cid":"91198867","title":"DT-2234B Auto Ranging Digital Rpm Meter Digital Revolving Tachometer","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c7\/1a\/39cbf06f692d749fda6d78929fd8-200x200-1.jpg","attrs":{"Price":"negotiable","Model Number":"DT-2234B","Minimum Order Quantity":"50PCS","Delivery Time":"3-5 work days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Packaging Details":"carton","model":"DT-2234B vici","Max. display":"99999","Dimension":"197mm*76mm*37mm","Effective distance":"50mm~500mm","Sampling time":"0.8s(over 60RPM)","Memory":"Auto memory Max.\/Min. last value"}}

{"cid":"91184222","title":"Tachometer DT-2236","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/0f\/59\/ef0071cfa4397a951c33a5c42b44-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"iqualitrol","Model Number":"DT-2236","Minimum Order Quantity":"1 Set","Delivery Time":"10 work days","Certification":"CE","Place of Origin":"DONGGUAN","Payment Terms":"T\/T","Supply Ability":"100 sets per month","Packaging Details":"Carton box","Range":"Surface Speed\t0.05~1999,9 m\/min \t0.2~6560 ft\/min","Accuracy":"\u00b1(0.05%n+1d)","Sampling Time":"1.0 s(Over 60 r\/min)","Memory":"Max \/ Min \/ Last Value"}}