Make sure that your internal quality requirements as well as the high precision and safety of your measurements are continually fulfilled according to the norm ISO 9001. Your reference materials are recertified in our DAkkS accredited calibration laboratory based on your requirements and on the basis of DIN EN ISO 17025 using a high-performance spectrophotometer. If required, we will maintain your probes and measuring cells. We will be pleased to advise you on your specific maintenance needs. If we find something that needs to be repaired during the maintenance we will contact you as soon as possible.