BS EN 60846-1:2014 Radiation protection instrumentation. Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation. Portable workplace and environmental meters and monitors
2014BS EN 60846-1:2014 Radiation protection instrumentation. Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation. Portable workplace and environmental meters and monitors
2004BS EN 60846:2004 Radiation protection instrumentation - Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation