ASTM Thermometers Products
Instruments for standardised material testing methods e.g. mineral oil testing etc. according to ASTM, IP, DIN, BS, ISO and others.
Stabilization of the thermometer zero point by careful artificial ageing. (Molecular constant)
The solid-stem types have the graduation indestructibly diffused into the glass surface and are acid and base resistant.
The enclosed-scale versions each have a prismatic capillary that makes for better reading. by AFNOR, ANSI, ASTM, BS, DIN, IP, ISO, PTB,
Measurement accuracy within tolerances specified S.T.P.T.C. or other standardization institutes.
