表的量程有(正壓和負(fù)壓):160PA,250PA,400PA,600PA,1KPA,1.6KPA,2.5KPA,4KPA,6KPA,10KPA,16KPA,25KPA,40KPA,60KPA。正負(fù)壓有:±80PA,±120PA,±200PA,±300PA,±500PA,±800PA,±1.2KPA,±2KPA,±3KPA,±5KPA,±8KPA,±12KPA,±20KPA,±30KPA