For those NMIs of countries that are signatories of the Metre Convention and that do not hold primary standards for ozone in air, the BIPM offers calibrations of secondary standard ozone analysers.
Interested laboratories are invited to consult the timetable for comparisons to find available weeks for a calibration, and to contact
Dr J. Viallon for the relevant calibration request forms.
Summary
For those NMIs of countries that are signatories of the Metre Convention and that do not hold primary standards for ozone in air, the BIPM offers calibrations of secondary standard ozone analysers.
