[+] Use both hands to hold the dial up. Then, use your non-dominant hand to face the center of the dial.
[+] If you do not have a stand, it is still possible to calibrate your dial indicator, but it will not be as easy. Turn the outer dial face until the hand points to 0.
[+] Take your dial indicator from the wall or on a level surface. To spot a dial indicator, get rid of it from the height of your ceiling or door.
[+] Place your dial monitor over the dial display to help ensure it is well supported. Plug in one of the radiata dial corresponding to the dial indicator.Choose from options above and answer: What most naturally follows?

How to read a dial indicator
Mount your dial indicator on a stand.
Your dial indicator should have an attachment that you can use to secure it to a stand. The stand will stabilize your dial indicator while you take your measurements.
Answer:
If you do not have a stand, it is still possible to calibrate your dial indicator, but it will not be as easy. Turn the outer dial face until the hand points to 0.