Outside Micrometer With Electronic Digital Display

I. Purpose of experiment

Measure sample size.

II. Experimental device

Micrometer with electronic digital display with an accuracy of 0.001mm

III. Main technical indicators

1) Measurement range: 0-25mm;

2) Resolution: 0.001mm;

3) Working power source: A 1.5V button cell;

4) Operating ambient temperature: 0~+40℃

5) Storage temperature: -20~+70℃

6) Ambient humidity: = 80％.