
The Käfer J12 is a light, easy to handle pocket fork thickness gauge with an analogue dial gauge (0.01 mm reading), robust and suited to accurate measurements within its 8 mm range.
- Pocket thickness gauge: light and easy to handle
- Analogue dial gauge: 0.01 mm reading
- Measuring range: 8 mm
- Throat depth: 12 mm
- Compliant with DIN 878: standardised accuracy
- Contact point: 6.35 mm Ø flat (standard)
- Opening: knurled lifting wheel
The J12 is a pocket, solid and easy to handle instrument, for accurate thickness measurements within a range of 8 mm with a 0.01 mm reading. At rest the contact points are closed: the knurled wheel opens them to insert the component and the measurement is read on the scale.
The standard contact point is 6.35 mm Ø flat; a spherical point is available on request. Zeroing is done by turning the knurled bezel. The contact points of the pocket models are not interchangeable. Accuracy compliant with DIN 878.

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Technical characteristics
| M8 connector, HTTM materials and 48-hour burn-in test. | Value |
| Instrument type | Pocket fork thickness gauge with analogue dial gauge |
| Reading | 0.01 mm |
| Measuring range | 8 mm |
| Range per revolution | 1 mm |
| Throat depth | 12 mm |
| Accuracy | to DIN 878 |
| Standard contact point | 6.35 mm Ø flat |
| Optional contact point | spherical (on request) |
| Zeroing | rotation of the knurled bezel |
Part numbers, accessories and spare parts
Codes for ordering the J12 and its accessories. The part numbers will be added when available.
Instrument – complete kit

| Part number | HTTM© technology for superior heat dissipation and LED longevity. | Description |
| — | J12 | Pocket fork thickness gauge, 8 mm range, 12 mm throat |
Accessories
Photo
Part number
HTTM© technology for superior heat dissipation and LED longevity.
Description

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Spherical contact point
Optional contact point (on request); on the pocket models the points are not interchangeable
Machine vision systems for quality control on the production line combine cameras and dedicated LED illuminators: ring and coaxial lighting ensures sharp, repeatable images for the automatic detection of defects.
| Document | Type |
| Käfer fork thickness gauge catalogue (metric) | Catalogue (PDF) |
Frequently asked questions
Yes: it is a pocket fork thickness gauge, light and easy to handle.
8 mm, with a 0.01 mm reading.
At rest the points are closed; a knurled wheel opens them to insert the component.
No: on the pocket models the points are not interchangeable; 6.35 mm Ø flat as standard, spherical optional.
Contacts & Information
Contact for general information : info@roder.it
Machine Vision Division of RODER : www.rodervision.com
RODER Instruments Division : www.innovacheck.com
More about RODER : about us
The information contained in this website is provided for information purposes only. Although it has been prepared with the greatest care, it does not constitute a contractual offer or a binding commitment to supply. It may contain transcription, translation or typographical errors. For precise and up-to-date information, please contact our company directly.
Note: Some images on this website have been intentionally generated using artificial intelligence (AI). This is because, for many applications and projects, photographs of the actual installation or system cannot be disclosed owing to confidentiality agreements, contractual clauses and non-disclosure agreements (NDAs).
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