calibration Services What we offer Testing of contamination meters as required by Reg. 20 of IRR17 - carried out onsite to limit workplace disruption Testing method follows NPL GPG No. 14 The Examination, Testing and Calibration of Portable Radiation Protection Instruments Calibration sources traceable to national standards Offsite testing of dose rate meters with a fast 3 day turnaround time Advice on monitor purchases, care and repair Contact us