16mpa压力表如何估读

本文章主要介绍了：16mpa压力表如何估读,压力表检测费会计分录,压力表调试,16mpa压力表如何估读等信息

7）．有控制保护要求时可选用电接点压力表。
8）．有防爆要求时必须选用防爆型，如防爆电接点压力表 压力表的精度等级分为:1.0级;1.6级;2.5级;4.0级,各等级仪表的外壳公称直径应符合下表的规定。
外壳公称直径(mm)**度等级
40;602.5;4.0
100 1.6;2.5
150;200;2501.0;1.6
压力表的精度等级，4000118588差占压力表量程的百分率来表示的，一般分为0.5、1、1.5、2、2.5、3、4七个等级（锅炉上不用3级和4级），数值越小，其精度越高。例如，表盘量程0～2．5 MPa精度2．5级的压力表，它的指针所示压力值与被测介质的实际压力值之间的允许误差，不得超过上2．5MPa×2．5％=±0．062 5MPa；当压力表指示压力为0．8MPa时，实际气压在0．737 5～0．862 5MPa之间。
(16mpa压力表如何估读)

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