分辨率：1um

量程	0-12mm	0-25mm
满量程测量最大误差	不大于3um	不大于5um
刚性支架最大长度	476mm	500mm

波纹管尺寸：Φ78×（420±5）mm
无变形校准杆：415mm
配备YC-BWS专用数据采集软件，实现数据自动采集 

Parameters：

Resolution: 1um

Range	0-12mm	0-25mm
Maximum measurement error	≤3um	≤5um
Maximum length of dilatometer bench	476mm	500mm

Size of corrugated plastic tubes: 78*（420±5）mm 
Length of the reference bar: 415mm 
** Equipped with YC-BWS software to realize automatic data acquisition
Power supply：AC220V/AC 110V