Ludwig ASTM-thermometer 1 C
ASTM-thermometer 1 C, Range : -20+150°C:1°C, Hg Precision thermometers, stem form ASTM 1 C, BS 593 F 150C/76 Partial Immersion, capillary yellow enamelled round, Hg filling, range: -20+150°C in 1°C Immersion length: 76 mm, Total length: 317 mm suitable for official certification