Thermometer Calibration Test Tube from United States
A precision glass test tube for thermometer calibration baths maintaining reference points at 0°C, 25°C, and 100°C, with etched graduation marks. It is a calibration accessory for thermometric instruments.
Duty Rate — United States → Canada
0%
Import Tips
• Classify as a part of thermometers; ensure it is not general laboratory glassware
• Provide calibration standards to CBSA
• Verify if it is a measuring instrument itself