The millesimal dial test indicator Kafer is designed for fine comparative inspections on lateral measuring points, external surfaces and areas where a traditional plunger dial indicator is not practical. It is particularly useful whenever contact must occur from the side and very small deviations must be read with greater sensitivity.
The operating principle is based on the small rotation of the measuring lever when the contact point touches the component. This movement is transferred to the internal mechanism and shown on the dial, allowing the operator to read deviations from the reference setting.
Compared with a centesimal dial test indicator, this series is intended for applications requiring finer resolution. The range is available in two versions: millesimal resolution 0.001 mm and bi-millesimal resolution 0.002 mm. In both cases the measuring range is 0.2 mm, the dial diameter is 40 mm and the stylus length is 12.8 mm.
From an application point of view, the millesimal dial test indicator is used for inspections of concentricity, eccentricity, flatness and parallelism, where very small deviations must be monitored. It is also widely used during centering and alignment operations on machine tools, because it allows immediate reading of deviations while correcting the position of the component or fixture.
The 0.001 mm version is suitable when extremely small variations must be detected with greater detail, while the 0.002 mm version is a practical alternative when fine reading is still required with a slightly different scale configuration.
In practical workshop use, this instrument is selected whenever inspections must be quick, readable and reliable even on difficult-to-access points. For this reason it is used not only in quality control, but also in workshops, tooling departments and machine setup operations.
In summary, the millesimal dial test indicator is a suitable solution for fine comparative inspections on lateral surfaces or difficult-to-access points, combining compact design, sensitive reading and practical everyday use.
Applications
- Comparative inspection of very small deviations on lateral surfaces
- Verification of eccentricity and concentricity
- Inspection of flatness and parallelism
- Measurements on external diameters, edges and inclined surfaces
- Centering and alignment of components on machine tools
- Verification of correct positioning during machine setup
- Use in workshops, tooling and quality control departments
- Applications requiring finer reading than a centesimal dial test indicator
FAQ – Millesimal dial test indicator
What is a millesimal dial test indicator?
It is a comparative measuring instrument designed for fine inspections, used to detect very small deviations on lateral or difficult-to-access points.
Do dial test indicator and lever test indicator refer to the same type of instrument?
Yes, both terms identify the same family of comparative measuring instruments using a measuring lever.
How does a dial test indicator work?
The contact point touches the surface, the lever moves and the deviation is shown on the dial relative to the reference setting.
When should a millesimal dial test indicator be used?
It is recommended when finer reading than a centesimal model is required and when the inspection point is difficult to reach from the front.
Which versions are available in this series?
The series is available with millesimal resolution 0.001 mm and bi-millesimal resolution 0.002 mm.
What is the difference between the millesimal and bi-millesimal versions?
The difference is the reading resolution: the millesimal model reads 0.001 mm, while the bi-millesimal version reads 0.002 mm.
What measuring range is available?
The measuring range is 0.2 mm.
What is the dial diameter?
The dial diameter is 40 mm.
What does the 12.8 mm dimension indicate?
It indicates the stylus length, useful for evaluating accessibility and overall clearance during inspection.
Which inspections is it most commonly used for?
It is used for concentricity, eccentricity, parallelism and flatness inspections on mechanical components.
Is it also suitable for centering operations on machine tools?
Yes, it is useful during centering and alignment operations of components or fixtures.
Why is it useful during component setup?
Because it allows immediate monitoring of deviations while correcting the position of the component before machining.
In which environments is it most commonly used?
It is mainly used in mechanical workshops, tooling departments, quality control and machine setup operations.
Who is this instrument recommended for?
It is recommended for users who need fine comparative inspections on lateral surfaces, external diameters or difficult-to-access points.
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| Product code | Field | Dial Diametere | Resolution | W (mm) |
| SA023K2/40 | 0.2 | 40 | 0.002 | 12.8 |
| SA023K1A/40 | 0.2 | 40 | 0.001 | 12.8 |
