In its automatic weather stations the Bureau achieves this by using platinum resistance thermometers. (jennifermarohasy.com)
The guide clearly states that readings from platinum resistance thermometers are not comparable with instant one - second readings from mercury in glass thermometers. (jennifermarohasy.com)
From the 1990s and until last year the BoM conducted side by side tests of liquid in glass and platinum resistance thermometers at various sites. (jennifermarohasy.com)