Interactive dial indicator trainer — 0–10.00 mm — LC = 0.01 mm
A dial gauge (also called a dial indicator or dial test indicator) is a precision instrument used to measure small linear displacements, runout, flatness, and parallelism in machining, quality control, and precision engineering. This free online simulator covers 0–10.00 mm with a 0.01 mm least count, including a revolution-counter sub-dial.
A dial gauge has two scales: (1) Main dial with 100 divisions, each = 0.01 mm — one full revolution = 1 mm. (2) Revolution counter sub-dial showing complete revolutions (whole millimetres). To read: note the sub-dial value in whole mm, then add the main dial reading. Example: sub-dial = 3, main dial = 47 → reading = 3.47 mm.
Before taking measurements, a dial gauge must be pre-loaded and zeroed against a reference surface. This simulator includes a Set Zero function — press X or the Set Zero button — so students can practise the zeroing procedure, which is essential for surface plate inspection, lathe runout checking, and CMM setup work.
Ideal for CNC machining students, quality control technicians, toolroom apprentices, precision engineering diploma candidates, and any TVET metrology learner who needs to demonstrate dial indicator reading and zeroing competency.