分辨率是判断一块表测量结果的好坏。了解一块表的分辨率,你就可以知道是否可以看到被测量信号的微小变化。例如,如果数字多用表在4V范围内的分辨率是1mV,那么在测量1V的信号时,你就可以看到1mV(1/1000伏特)的微小变化
位数、字就是用来描述表的分辨率的。数字多用表是按它们可以显示的位数和字分类的。
一个3位半的表,可以显示三个从0到9的全数字位,和一个半位(只显示1或没有显示)。一块3位半的数字表可以达到1999字的分辨率。一块4位半的数字表可以达到19999字的分辨率。
用字来描述数字表的分辨率比用位描述好,3位半数字表的分辨率已经提高到3200或4000字。
3200字的数字表为某些测量提供了更好的分辨率。例如,一个1999字的表,在测量大于200V的电压时,你不可能显示到0.1V。而3200字的数字表在测320伏特的电压时,仍可显示到0.1V。当被测电压高于320V,而又要达到0.1V的分辨率时,就要用价格贵一些的20000字的数字表。
联系人:叶工 企业:http://www.hfd-dcs.com
Mobile:18150066586
Q Q :3004636837
Tel :0591-87578810
Email :3004636837@qq.com
福建鸿飞达自动化科技有限公司
ILA2T571TC1F0
ILA2T571TC2A0
ILA2T572PB1A0
ILA2T572PB1F0
ILA2T572PB2A0
ILA2T572PC1A0
ILA2T572PC1F0
ILA2T572PC2A0
ILA2T572TB1A0
ILA2T572TB1F0
ILA2T572TB2A0
ILA2T572TC1A0
ILA2T572TC1F0
ILA2T572TC2A0
ILE1F661PB1A1
ILE1F661PC1A1
ILE1F661PB1A2
ILE1F661PC1A3
ILE2K661PC1A8
ILE2K661PC1A5
ILE2K661PC1A6
ILE2E662PC1A0
ILE1B661PC1A3
ILE1B661PC1A0
ILE1B661PC1A1
ILE1B661PC1A8
ILE2T661PC1A0
ILE1F661PC1A2
ILE1F661PB1A3
ILE2E661PC1A0
ILE2T661PC1A1
ILE1B661PC1A2
ILE1F661PC1A4
ILE2E661PB1A0
ILE1F661PC1A0
ILE1F661PC1A7
ILE1B661PB1A0
ILE1B661PB1A1
ILE1B661PB1A2
ILE1B661PB1A3
ILE1B661PB1A4
ILE1B661PB1A5
ILE1B661PB1A6
ILE1B661PB1A7
ILE1B661PB1A8
ILE1B661PC1A4
ILE1B661PC1A5
ILE1B661PC1A6
ILE1B661PC1A7
ILE1F661PB1A0
ILE1F661PB1A4
ILE1F661PB1A5
ILE1F661PB1A6
ILE1F661PB1A7
ILE1F661PB1A8
ILE1F661PC1A5
ILE1F661PC1A6
ILE1F661PC1A8
ILE1R661PB1A1
ILE1R661PB1A2
ILE1R661PB1A4
ILE1R661PB1A5
ILE1R661PB1A6
ILE1R661PB1A7
ILE1R661PB1A8