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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150x3, 0mm, Klasse B, PVC-Kabel ca. 1m, Max. Temp. 750¦C, Genauigkeit +/-0, 3¦C und 0, 5% des Messwertes, f³r ad 1700 th (1 Supplier)
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2 channel recalibratable high precision thermometer TD 241 for multi probes,; Range: - 200°C...+1750 °C. Can be recalibrate d at 0°C and scale. Supplied with a type K probe in a case with calibration certificate (1 Supplier)
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2Mag External Temperature probe Pt100 69100 - General Lab (1 Supplier)
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2 Point Calibration Ebi 20/Ebi 25/Ebi 300/Tpc 400 1020-3581 EBRO - General Lab (1 Supplier)
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+30...+50:0, 01¦C, Edelstahlf³hler 105x2, 0mm, in stabilem Gerõtekoffer, pr³ffõhig (1 Supplier)
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305 x 6-7mm (1 Supplier)
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3-Point-Calibration Ebi 20/Ebi 25/Ebi 300 1020-3580 EBRO - General Lab (1 Supplier)
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835-T1 IR TEMPERATURE GAUGE (1 Supplier)
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8level temperature control strips, 116?c - 154?c (1 Supplier)
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8level temperature control strips, 160?c - 199?c (1 Supplier)
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8level temperature control strips, 204?c - 260?c (1 Supplier)
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8level temperature control strips, 37?c - 65?c (1 Supplier)
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8level temperature control strips, 71?c - 110?c (1 Supplier)
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AC ADAPTOR FOR I620-2000 EU-PLUG (1 Supplier)
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AC ADAPTOR FOR I620-2000 UK-PLUG (1 Supplier)
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ADAPTER 230VACTO 12VDC UK PLUG (1 Supplier)
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additional scale 0 ¦ C (range -0.05 to +0.05 ¦ C) immersion total length 370mm 8mm mercury filled (1 Supplier)
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Adjustable Contact Thermometer T107300 Amarell - General Lab (1 Supplier)
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Adolf Thies Barograph 3.0805.10.000 - General Lab (1 Supplier)
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Adolf Thies Condensation Controller 5.4103.10.000 - General Lab (1 Supplier)
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Adolf Thies Cup Anemometer 4.3008.01.000 - General Lab (1 Supplier)
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Adolf Thies Hygro-Thermometer Mounted on Panel 1.0170.00.017 - General Lab (1 Supplier)
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Adolf Thies Small wind generator, black 4.3515.50.100 - General Lab (1 Supplier)
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Adolf Thies Thermometer Complete 502588 - General Lab (1 Supplier)
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Adolf Thies Wick 8mm 502580 - General Lab (1 Supplier)
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