| Manufacturer | Käfer |
|---|---|
| Range | 0-0.4" |
| Dial Revolution | 0.05" |
| Dial Reading | 0-50 |
| Measuring units | Inch |
| Dial Face Diameter | 58mm |
| Accuracy | As per DIN 878 |
| Stem Diameter | 8mm |
| Measuring Force | 0.9N ±20% |
| Contact Point | M2.5 thread |
| Country of Manufacture | Germany |
Käfer ZO 3 S is a precision shockproof inch dial gauge made in Germany, with dimensions to DIN EN ISO 463 and a metric 8 mm stem, for accurate comparative measurement. It has a shockproof movement: a sprung gear rack sleeve along the spindle stops knocks to the contact point reaching the movement. The large hand has fine adjustment, so it can be set to zero with the knurled screw at the top without turning the bezel.
- Measuring range: 0-0.400"
- Graduation: 0.0005"
- Range per revolution: 0.050"
- Dial reading: 0-50
- Bezel diameter: 58 mm
- Stem diameter: 8 mm h6
- Contact point thread: M2.5
- Initial measuring force: 0.9 N ± 20%
Features include a bezel and outer dial that turn through a full 360° to set zero in any position, adjustable tolerance markers, a stainless steel spindle and stem with a lapped spindle, and an exchangeable contact point with M2.5 thread. Supplied with a flat back; a lug back is available on request.
Suitable for comparative measurement, inspection and quality control.











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