detect-weight=true, detect-family=true

siunitx-PTB.sty

 % Rolf Niepraschk, PTB, Rolf.Niepraschk@ptb.de
 
-\ProvidesPackage{siunitx-PTB}[2020/03/11 v0.1f Additions to `siunitx'' (PTB/RN)]
+\ProvidesPackage{siunitx-PTB}[2020/09/14 v0.1g Additions to `siunitx'' (PTB/RN)]
 
 \RequirePackage{amsmath,siunitx}
 
@@ -50,6 +50,7 @@
   ,math-degree = \textdegree  
   ,math-celsius = \textdegree\text{C}
   ,text-celsius = \textdegree\text{C}
+  ,detect-weight=true, detect-family=true
 }%     
 
 %%%}