Figure 3.1 The dial indicator
![](https://cdn.bfldr.com/Q3Z2TZY7/at/8b2bvs5hjbwxkxnmq3xtv/Reliability-_resources_-_blog_-_Dial-Indicator-Alignment-Basics-1-380x304.jpg?auto=webp&format=jpg&auto=webp&width=800)
Figure 3.2 Dial indicator signs
![](https://cdn.bfldr.com/Q3Z2TZY7/at/cj7h6m4x9x968x5q8m9374m8/Reliability-_resources_-_blog_-_Dial-Indicator-Signs-1-1.jpg?auto=webp&format=jpg&auto=webp&width=800)
Figure 3.3 Positive readings when the plunger moves into the case, negative when the plunger moves out.
![](https://cdn.bfldr.com/Q3Z2TZY7/at/5kjp5qqbpfcxmw72m2gh374/Reliability-_resources_-_blog_-_Dial-Indicator-Signs-2-Dial-Indicator-Signs-3.png?auto=webp&format=png&auto=webp&width=800)
Figure 3.4 Determining bar sag, zero at 12 o’clock.
![](https://cdn.bfldr.com/Q3Z2TZY7/at/69w5c7hrnwph8m98c2r8jtf/Reliability-_resources_-_blog_-_Determining-the-Amount-of-Sag-1.jpg?auto=webp&format=jpg&auto=webp&width=800)
Figure 3.5 Determining bar sag, reading at 6 o’clock.
![](https://cdn.bfldr.com/Q3Z2TZY7/at/qbss54rck545nqfqcj923j7/Reliability-_resources_-_blog_-_Determining-the-Amount-of-Sag-2.jpg?auto=webp&format=gif&auto=webp&width=800)
Figure 3.6 Measuring offset, position #1.
![](https://cdn.bfldr.com/Q3Z2TZY7/at/t828c66bh5rx2n4n9mh5nmr5/Reliability-_resources_-_blog_-Measuring-Offset-Using-Dial-Indicators-1-300x162.jpg?auto=webp&format=jpg&auto=webp&width=800)
Figure 3.7 Measuring offset, position #2.
![](https://cdn.bfldr.com/Q3Z2TZY7/at/p98srpft6k8mcrggh49j9kgq/Reliability-_resources_-_blog_-Measuring-Offset-Using-Dial-Indicators-2-300x177.jpg?auto=webp&format=jpg&auto=webp&width=800)
Figure 5.8 The offset is half the TIR (Total Indicator Reading).
![](https://cdn.bfldr.com/Q3Z2TZY7/at/pcnrv33wf6x5s7633xb57b5/Reliability-_resources_-_blog_-_Measuring-Offset-Using-Dial-Indicators-3-278x300.jpg?auto=webp&format=jpg&auto=webp&width=800)
Figure 3.9 Measuring angularity, position #1.
![](https://cdn.bfldr.com/Q3Z2TZY7/at/3gvz3zppkv8b6t78h8npsf3b/Reliability-_resources_-_blog_-_Measuring-Angularity-With-Face-Dial-Indicators-1-380x228.jpg?auto=webp&format=jpg&auto=webp&width=800)
Figure 3.10 Measuring angularity, position #2.
![](https://cdn.bfldr.com/Q3Z2TZY7/at/hnpjhh4777xfpqp7fwjtpr6/Reliability-_resources_-_blog_-_Measuring-Angularity-With-Face-Dial-Indicators-2-300x170.jpg?auto=webp&format=jpg&auto=webp&width=800)