Concrete Reference Thermometer
ASTM C 1064, E 77 The Concrete Reference Thermometer is for the calibration of measuring devices used for determining the temperature of freshly-mixed Portland cement concrete. It is mercury filled with a yellow background for easy reading and is 8 in (45.7 cm) long with 30 to 124° F range with 0.2° F divisions. Calibration is in accordance with ASTM E 77 for 3 in (7.6 cm) immersion. A NIST traceable certificate of compliance is supplied.
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