量程:200-0-200,250-0-250,300-0-300,400-0-400,500-0-500Pa差压计用填充油:AWS10(红色),密度:0.87Measurementrange:20-0-20,25-0-25,30-0-30,40-0-40,50-0-50mmCE.TechnicaldataScalewithcenteredzero.Possibilityformeasuringpositiveandnegativepressures.Zeroadjustingbymovingtheslidestrip.Integratedspiritlevelforadjustinghorizontality.ComeswithawhitePVCsupport,2screwsand2rawlplugs,two487connectorsandabottleofAWS10liquid.)