Thermo Well 200 mm Stem 24/40 Joint Made of Borosilicate

The 24/40 Thermo Well with 200mm Stem is a borosilicate glass accessory for positioning a compatible thermometer or temperature probe within laboratory apparatus while separating the sensing instrument from direct process contact. This model combines a 24/40 ground-glass connection with a 200 mm stem for applications requiring deeper insertion.

The longer stem can place the sensing area farther into a compatible vessel than shorter thermowells, but the correct length depends on the apparatus geometry. Confirm available internal clearance before assembly so the thermowell does not interfere with stirring equipment, contact the vessel wall, or extend into another component. The 24/40 joint must be paired with matching glassware.

A 24/40 Thermo Well with 200mm Stem functions as a protective interface rather than a temperature-measuring instrument. Accuracy, response time, and usable temperature range are determined by the installed thermometer or probe, its fit and insertion depth, calibration, and operating conditions. Follow the sensing instrument manufacturer's specifications.

Before use, inspect the stem and ground joint for chips, cracks, deep scratches, impact damage, or other defects. Do not force a probe into the well or force the 24/40 joint into an incompatible connection. Support the complete apparatus appropriately and avoid inappropriate thermal shock. Cleaning methods should be selected according to the substances previously handled.

The 24/40 Thermo Well with 200mm Stem provides a longer glass interface for compatible laboratory temperature-monitoring setups. Browse additional thermowell sizes and related glassware in our Borosilicate Glass Laboratory Equipment collection.