Specification of
ASTM-thermometer 77 F, +245+265°F:0,5°F, Hg Precision thermometers, stem form ASTM 77 F Saybolt Viscosity Capillaries form: yellow enamelled round Hg filling range: +245+265°F in 0.5°F Immersion length: total Total length: 270 mm, suitable for official certification
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