Laboratory Thermometers
Made of glass or metal, thermometers are a tool to measure temperature accurately. Glass thermometers have been strengthened through thermal tempering and the traditional one is a long stem with a silver bulb filled with mercury. Alcohol-filled ones are not as precise as the alcohol evaporates but they can read as low as -200 degrees centigrade. Apart from liquid-glass thermometers, electronic devices are increasingly used. Thermistors measure change in electrical resistance and convert it to changes in temperature. A bimetallic strip consists of two different metals bonded together which expand at different rates so the strip is forced to bend. This bending movement deflects a pointer over a calibration scale. This type is low cost but is not as accurate as a glass stem. Infrared thermometers are non-contact devices which convert infrared energy to an electrical signal and often have a laser targeting system. K-type are used for extreme temperatures and have interchangeable probes for air, liquid or surface. Other types include liquid crystal, quartz and gas resistance. Thermometers are basic pieces of laboratory equipment, whether for research, industry or education. They are used for monitoring experiments, maintaining a sterile work environment and calibrating other laboratory instruments and testing materials.
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Amarell Depth Thermometer -10...+30:0.1(deg)C K188450 - General Lab (1 Supplier)
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Amarell Dest.-Thermometer 0...+100:0.5(deg)C D259604 - General Lab (1 Supplier)
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Amarell Dest.-Thermometer 0 +100 C D259602 - General Lab (1 Supplier)
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Amarell Dest.-Thermometer 0 +250 C D259608 - General Lab (1 Supplier)
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Amarell Dest.-Thermometer 0 +360 C D259612 - General Lab (1 Supplier)
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Amarell Dest.-Thermometer 0 +50 C D259600 - General Lab (1 Supplier)
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Amarell Dest.-Thermometer +200...+360:1(deg)C D259614 - General Lab (1 Supplier)
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Amarell Digital pocket Thermometer E905000 - General Lab (1 Supplier)
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Amarell Digital pocket Thermometer E905100 - Digital thermometer, "Vario Therm" (1 Supplier)
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Amarell Digital Thermometer -40° - +120°C : 1°C E910560 - Digital thermometer ama-digit ad 15 th (1 Supplier)
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Amarell Digital Thermometer -50+200° E905050 - General Lab (1 Supplier)
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Amarell Digital Thermometer -50+200° E905052 - General Lab (1 Supplier)
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Amarell DIGITAL Thermometer AMA-DIGIT ad 30 th E910670 - Digital thermometers ama-digit ad 30 th/31 th (1 Supplier)
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Amarell Digital Thermometer E908530 - Digital thermometer ama-digit ad 14 th (1 Supplier)
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Amarell DIGITAL Thermometer E910640 - Digital thermometer ama-digit ad 20 th (1 Supplier)
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Amarell Digital Thermometers ad 15 th E910572 - General Lab (1 Supplier)
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Amarell Digital Thermometers E910680 - Digital thermometers ama-digit ad 30 th/31 th (1 Supplier)
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Amarell Din-Cap T107600 - General Lab (1 Supplier)
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Amarell Dropping point-Therm. Ubbelohde M235002-FL/VC - General Lab (1 Supplier)
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Amarell Droppoint-thermometer similar to Ubbelohde, M235000-FL/VC - General Lab (1 Supplier)
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Amarell Drying Cabinet Thermometer T90850 - General Lab (1 Supplier)
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Amarell Electron.Digital-Thermometer E910620 - General Lab (1 Supplier)
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Amarell Electronical Saltmeter E920100 - General Lab (1 Supplier)
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Amarell Electronic Digital-Thermometer E908550 - General Lab (1 Supplier)
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Amarell Electronic Digital Thermometer E911000 - Electronic digital thermometer ad 1700 th (1 Supplier)
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