Measurable confidence for your test equipment.
Calibration, testing and repair for demanding NDT processes – at our laboratory in Dortmund or directly on site at your premises.
Our core competencies
From accredited calibration to custom-engineered solutions – everything from a single source, backed by over 25 years of experience in materials testing.
DAkkS calibration
To DIN EN ISO/IEC 17025 – at our laboratory or on site at your premises.
Learn more →In-house calibration
For densitometers, luminance and coating thickness measuring instruments.
Learn more →Quantities we calibrate under DAkkS accreditation
Illuminance
Standard illuminant A · range 2–3000 lx
Standard points: 20 · 1000 · 1800 lx
Irradiance
365 nm · range 100–6000 µW/cm²
Standard points: 300 · 1000 · 5000 µW/cm²
Field strength (AC/DC)
Range 1–7 kA/m · standard points: 1.0–1.5 / 4.0 / 7.0 kA/m
also on-siteHardness testers
UCI: 20–900 HV · Leeb: 300–900 HLD, impact body D
also on-siteUltrasonic testing equipment
Range 1–110 dB · DIN EN ISO 22232‑1 & DIN EN 12668‑1
also on-siteWall thickness gauges
Range 1–100 mm · DIN EN 15317:2014, group 2
also on-siteProcess & processing options
Appointment order
Quantity & delivery date agreed, lab capacity reserved.
Goods receipt
Visual inspection, assigned to accredited or in-house calibration.
Calibration
At our laboratory in Dortmund or directly on site at your premises.
Return shipment
Calibration certificate & secure return, within max. 10 working days.
X-ray and testing technology for every application
Four product categories – from mobile systems to stationary X-ray equipment.
X-ray crawlers
C 150 / C 400 – a complete system solution for pipeline inspection.
Mobile X-ray systems
For use directly on site at the customer's premises.
Stationary X-ray systems
Precise testing technology for stationary operation.
Distribution products
Selected quality products for your application.
From practice, for practice – for over 25 years
C-TEC Systemtechnik GmbH, based in Dortmund, grew out of many years of experience and cooperation between science and industry. Reliable, cost-effective technology and customer-specific solutions give our customers a genuine competitive edge.
Our continuously refined pipeline crawlers C 150 and C 400 combine advanced technology with economical handling to provide a complete system solution at the highest quality level.
C-TEC is part of CERTANIA Industrial Analytics
Since 2025, C-TEC Systemtechnik GmbH has been part of the CERTANIA Group – an international network for testing, inspection, certification and compliance. For you, this means: familiar contacts in Dortmund, embedded in a worldwide network of experts.
Visit certania.com →
Industrials · Industrial Analytics
CERTANIA Industrial Analytics
Materials testing, calibration and filtration technology: precise analysis, damage diagnostics, NDT services and comprehensive quality and safety testing for industrial applications – together with Fiatec, TAZ and other network partners.
News from C-TEC
Official Distribution Partner of Spectro‑UV
We are pleased to announce that, effective immediately, we are the official distribution partner of Spectro‑UV for Germany and Austria.
Read more →
C‑TEC joins the CERTANIA Group
Since October 2025, C‑TEC Systemtechnik GmbH has been a member of the CERTANIA Group, strengthening the European Industrials segment of the group as an accredited calibration and testing laboratory.
Read more →Missed the deadline? No problem.
Coordinate quantity and delivery date of your measuring and test equipment with us in advance – we reserve the appropriate laboratory capacity. Calibration within a maximum of 10 working days.
Request an appointment →