Buy Dial Indicators Online in Australia
Dial + Dial Test Indicator Selection — Quick Reference
Dial indicators (dial gauges / clock gauges) measure SMALL DISPLACEMENTS + SURFACE VARIATIONS — workshop precision + machine setup + inspection + alignment. Workshop standard for verifying machine accuracy + checking flatness + alignment + concentricity.
| Dial Indicator Type | Best For | Range |
|---|---|---|
| Standard Dial Indicator (10mm Range) | Workshop general use | 0.01mm grad |
| Long-Range Indicator (50mm) | Larger displacement measurement | 0.01-0.1mm grad |
| Dial Test Indicator (DTI) | Lateral access + small movement | 0.001-0.01mm grad |
| Plunger Indicator (Straight) | Vertical / linear measurement | 0.01mm grad |
| Digital Indicator | Direct readout + data output | 0.001mm grad |
| Magnetic Base Stand | Mounting — see stands | — |
| Comparator (Bench) | Fixed inspection + production | Per spec |
Critical: Handle CAREFULLY — drops compromise calibration. Check ZERO before reading. Use proper STAND + rigid mounting. Calibrate periodically against gauge blocks. Brands: Mitutoyo, Dasqua, Noga. Companion: measuring tools, indicator stands, magnetic base stands.
Dial Indicators and Dial Test Indicators for Precision Measurement in Australia
Dial indicators — also called dial gauges or clock gauges — measure small displacements and surface variations with precision, displaying the measurement on a circular scale with a rotating pointer. They're used for runout checking, parallelism measurement, surface comparison, machine setup, and quality inspection across Australian engineering, toolmaking, and maintenance. AIMS Industrial stocks dial indicators, dial test indicators, and magnetic stands from Insize, Bison, and Mitutoyo.
Dial indicator vs dial test indicator
- Dial indicator (plunger type) — spindle moves in a straight line along the indicator axis. Standard instrument for measuring runout, flatness, and comparative height. Range typically 0-10mm or 0-25mm in 0.01mm or 0.001mm graduations
- Dial test indicator (DTI / lever type) — small contact point moves on an arc rather than straight line; allows measurement in confined spaces and at angles where a plunger type won't fit. Essential for setting work in a lathe chuck and checking small bores
Graduation and resolution
Standard dial indicators are graduated at 0.01mm (1 graduation = 10 microns) for most workshop and maintenance checking. For higher-precision work — tight-tolerance bores, precision surface comparison, or machine tool calibration — 0.001mm (1-micron) graduation indicators are available. Match the resolution to the tolerance being checked: a 0.01mm indicator is adequate for most maintenance work; precision toolroom work may need 0.001mm.
Indicator holders and magnetic stands
A dial indicator is only as useful as its mounting. Magnetic stands allow the indicator to be positioned quickly on any steel surface — machine tables, lathe beds, surface plates — and adjusted to any angle. Fine-adjust mechanisms on quality stands allow zero-backlash positioning. For reliable measurement, the stand must be rigid — flex in the mounting introduces error directly into the reading.
Common applications
- Runout checking of rotating shafts, chucks, and arbors
- Parallelism and squareness checking in machine setup
- Bore comparison against a master gauge
- Surface plate inspection and height comparison
- Setting machine slides and adjustable work holders
Related metrology tools
See also: vernier calipers and micrometers for direct dimensional measurement, and engineers squares for squareness reference.
For specific accuracy requirements or instrument calibration enquiries, contact our team.
People Also Ask — Dial Indicators
Q: What's the difference between a dial indicator and a test indicator?
Dial indicators have a spring-loaded plunger that moves in a straight line — used for measuring linear movement, like checking shaft runout, table flatness, or thickness comparison. Test indicators have a lever arm that pivots on a fulcrum — used for setup work in tight spaces and indicating round shapes, where the lever arm reaches into bores or follows curved surfaces. Different tools for different inspection jobs.
Q: What resolution dial indicator do I need?
0.01mm resolution covers most workshop alignment and inspection tasks — checking runout on bearings, indicating part position on a machine table, simple comparison gauging. For finer work (cylinder bore measurement, gauge calibration, precision toolmaking), 0.002mm or 0.001mm resolution dial indicators are needed. The trade-off is range — finer-resolution indicators usually have shorter measurement range.
Q: How do I check a dial indicator for accuracy?
The simplest test is against a known reference — set up a gauge block stack or a calibrated micrometer, then move the dial indicator through known increments and compare. A gauge block set in your common measurement range is the workshop standard for periodic accuracy checks. For calibration certification, send the indicator to a NATA-accredited calibration laboratory annually.
Q: What's a probe attachment for a dial indicator?
Probe attachments (different contact tip styles) match the indicator to different measurement surfaces. Standard ball tip for general flat-surface work, pointed for tight grooves and dovetails, flat for rough surfaces and runout checks, roller for moving along long flat surfaces. Most premium indicators come with a tip set; cheaper indicators may have a single tip that's adequate for general use but limiting for specialty work.
Q: Why is my dial indicator reading drifting?
Common causes: temperature change in the measurement setup (hot or cold parts move dimensionally), drift in the workpiece position (vibration, settling, loose clamping), wear or contamination in the indicator's mechanism, or the indicator's spring losing tension over time. Periodic comparison against a reference (gauge block or master) flags drift early. For critical work, allow temperature to stabilise before measuring.