Specification of ASTM-thermometer 91 C
ASTM-thermometer 91 C, +20+50°C:0,1°C, Hg Precision thermometers, stem form ASTM 91 C Solidification Point, Capillaries form: yellow enamelled round Hg filling range: +20+50°C in 0.1°C Immersion length: 76 mm Total length: 365 mm, suitable for official certification
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