The NIST Traceable non-mercury reference thermometer features permanently fused marking and fractional degrees to provide precision and ensure accuracy. The glass thermometer contains a blue organic liquid that shows against a lead-free white back glass. The perfect thermometer to calibrate your field concrete thermometers.
- Range: 30° – 124°F
- Partial Immersion:Â 76mm (3″)
- Divisions: 0.2°F
- Length:Â 455mm (17.9″)
- Meets ASTM C1064 & ASTM E77
