noun
dial indicator; dial gauge
A precision measuring instrument with a dial display, used in machining and engineering to measure small distances or displacements.
ダイヤルインジケーターで部品の振れを測定する。
Measure the runout of the part with a dial indicator.
Variant with an interpunct; less common in running text.
ノギス (vernier caliper) is a different measuring tool for length/diameter, while ダイヤルインジケーター measures small displacements with a dial.
Loanword from English 'dial indicator'.