featurerandom accessup to 30 tubes can be scanned simultaneouslythroughput: 60 samples /hour temperature compensation refer to 18c automaticallyesr curve display and print-outtouch screen , large lcd displayinternal thermal recorderspecificationsarea of application: erythrocyte sedimentation rate analysismeasuring principle: infrared barrierreading channel: 30loading capability: up to 30 samples at a timeloading pattern: randommeasuring time: 30 minutes or 60 minutes selectablethroughput: up to 60 samples per houranalysis result: in westergren esr value (mm/1h)temperature compensation: refer to 18c automaticallyreading resolution: 0.2mmreproducibility: < 0.3% or 2mm/1hresult resolution: 1mm/1hblood level range: 50mm64mmdisplay: lcd screen with backlightinput: touch screeninterface: rs-232 serial portprint: internal thermal recorderpower supply: ac 220v/110v 10%, 50/60/hzpower: 50woperation conditions :temperature: 15c32chumidity: 85%dimension: 400mm300mm200mm(lwh)net weight: 11.5kg