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DIATEST Hermann Költgen GmbH

Booth number: Hall 5 A - 5025/12

About us

DIATEST manufactures high-precision bore gauging instruments and offers measuring solutions.
High-volume engineering does not work without precision, a global production depends on local expertise.
To achieve highest possible safety in production, precision is necessary starting from design to final product.
In the same way as a qualified and trained local DIATEST partner speaking the language of country and knowing the products.

Products and services

DIATEST offers several solutions for comparative measurement of diameters and lengths: The hand measuring tool Plug Gauge BMD, Spli-Ball, Plunger Probe and Chamfer Probe, the flexible measuring table DIA-COME. Besides lengths, I.D. and O.D., some of these solutions can also measure conicities, grooves, recesses, concentricites etc.



Complete system for bore gauging with 4 decimal places and a resolution of 0.1 µm / 0.000005’’

DIA-COME Measuring table

DIA-COME Measuring table

Flexible und sturdy measuring tables for measurement of I.D. and O.D.

Split-ball probes

Split-ball probes

Split-ball probes are flexible and universal bore gauges for indicating internal measurements


DIATEST Hermann Költgen GmbH
Schottener Weg 6
64289 Darmstadt

Phone: +49 6151 979-0
Fax: +49 6151 979-111

Stephan Greulich
Sales Manager
Phone: +49 6151 979-100

Almaseh Sanj Co.
No. 207 Tabriz Automotive Technology Park, Opposite of MOTOGEN
5197913717 Tabriz

Phone: +98 41 34475023
Fax: +98 41 34475118

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Booth number: Hall 5 A - 5025/7
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Booth number: Hall 5 F - 5018