With the DKD´s calibration certificates, issued by Hellma, you can verify traceability to a higher normal, as stipulated by the family of standards DIN EN ISO 9000 and DIN EN ISO/IEC 17025. Thus, calibration certificates are an important document and metrological foundation for the control of inspection and measuring equipment within quality management.

With the accreditation according to DIN EN ISO 17025, Hellma has the only accredited calibration laboratory in Germany that produces and certifies liquid and solid calibration filters made for testing spectrophotometers.

Three pillars of a calibration laboratory, accredited by the DKD

• An intact and well maintained technical infrastructure
• Proof of competence, experience and capability
• An effective quality management system