Item No.: C21A230
.Measuring range：0~1800μm  
.Accuracy：±（3%H ±1μm）  
.Resolution：0.1μm（＜100μm）；1μm（＞100μm）  
.Measuring mode：single，continually & difference  
.Data store & recall function  
.Average，max. & min. analysis  
.Deviation and measuring times  
.Low battery indication  
.Power supply：3pcs 1.5V AAA batteries