Radiometer is founded by Carl Schrøder and Børge Nielsen, Denmark. The primary business is the manufacture of electronic measuring instruments for the radio industry.

Radiometer collaborates with Dr Poul Astrup to develop and market the world’s first blood gas analyzer, the Astrup Apparatus E50101.

Radiometer introduces the “Astrup Trolley” for pH, pO₂ and pCO₂ measurements. Hospitals start to perform blood gas analyses.

The world’s first automated blood gas analyzer: ABL1 blood gas analyzer

The ABL510 blood gas analyzer was the world’s first combined blood gas and oximeter analyzer. The ABL555 analyzer (picture) was the last of member of the ABL5xx series.

The first multi-channel transcutaneous oxygen monitoring system

The U.S.-based Danaher Corporation acquires Radiometer, assuring a continued focus on the blood gas and critical care business.

Integrated solution with safePICO sampler,
ABL800 FLEX/ABL80 FLEX analyzers and FLEXLINK software

Analyzer for cardiac, infection and

coagulation markers

ABL90 FLEX blood gas analyzer
Radiometer's next-generation blood gas analyzer