Description
Distillation thermometer 0…+150 °C with 1 °C scale division, cone NS 14,5/23 and immersion length 150 mm is a ground-joint laboratory thermometer intended for precise temperature measurement during distillation. The instrument is filled with a red special filling that is mercury-free, ensuring good column contrast on the °C scale. Its NS 14,5/23 ground joint mates securely with standard laboratory glassware, while the 150 mm immersion length places the sensing bulb at the appropriate depth inside the apparatus neck. Delivered as 1 pc with a net weight of 0,033 kg, the thermometer is suitable for boiling-point determination, solvent recovery and fractional distillation procedures operating up to 150 °C. One-degree scale divisions permit straightforward reading throughout the range. Produced by Rettberg, this Schliffthermometer offers classic glass construction combined with a coloured, Hg-free filling that enhances both safety and visibility under normal lab conditions. The extended immersion depth fits a wide selection of distillation heads and adapters used in organic and preparative chemistry. Laboratories select this model when a mercury-free red-filled joint thermometer with a longer immersion length is needed for reliable everyday distillation temperature monitoring.
This article is part of Laboratory glass thermometers, in Temperature measurement.
Key features
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Questions about Thermometer, 0...+150°C:1°C, cone size 14,5/23, installed
What is this article?
Thermometer, 0...+150°C:1°C, cone size 14,5/23, installed is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Thermomètres en verre de laboratoire, inside Mesure de température, in Instruments de laboratoire.
A liquid-in-glass thermometer is a calibrated column, often with a stated immersion depth, total or partial. The range and the division decide the reading. A partial-immersion thermometer read at the wrong depth is wrong by design.
A thermometer reports a temperature. A liquid-in-glass thermometer is a calibrated column. A digital thermometer is a sensor and a display, and the sensor, not the display, is what is calibrated. An infrared thermometer reads a surface and depends on emissivity. A data logger stores the reading over time. Without a stated uncertainty and a calibration point, the number is only an indication. The scale is maintained by the BIPM and compared by EURAMET. Accreditation is BELAC.
Which category should I open next?
The category is Mesure de température. The sub-category is Thermomètres en verre de laboratoire. The catalogue is Instruments de laboratoire.
Shelves beside this one are Sondes & capteurs de température, Hygromètres & humidimètres, Enregistreurs de données, Accessoires de mesure de température, Thermomètres numériques and Thermomètres infrarouges.
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When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

