DTM Traceable calibration certificate
![](https://rstechnics.nl/wp-content/uploads/2017/04/kalibratie_certificaat.png)
The DTM55, DTM70 and DTM75 are delivered standard with a traceable calibration certificate, which can be checked and renewed every year. For the DTM65 this is an option.
Click on the picture to have a larger view of the calibration certificate.