
Manual Thermometers
Mercury, non-mercury (liquid in glass), or bimetallic thermometers with analog displays, for general and application-specific use, with various temperature-range capacities and accuracies; may be traceable or certified to international standards.
In 1714, the mercury-in-glass thermometer was invented in Europe by physicist Daniel Gabriel Fahrenheit. Typically, the mercury is contained in a reservoir that opens to narrow glass tube. The distance that the mercury flows into the tube is dependent on the temperature to which the thermometer is subjected. The space above the mercury may be filled with air or an inert gas, or it may be a partial vacuum.
Thermometers are calibrated by exposing them to a known temperature and then marking the height of the mercury at that temperature. For example, one might calibrate to the freezing temperature of water (0°C or 32°F) by placing the thermometer in a mixture of ice and water. Then the thermometer could be submerged in boiling water to determine the point where the water changes from a liquid to a vapor (100°C or 212°F).
Mercury thermometers are still considered to be some of the most accurate temperature indicators. They can be used for a wide range of temperatures, from -37°C to 356°C (-35°F to 673°F). Modifications such as adding an inert gas above the mercury or replacing the glass with fused quartz can extend the upper temperature limit to as high as 800°C (1,470°F).
Mercury cannot be used below -38.83°C (-37.89°F), the temperature at which it becomes a solid. Moreover, nitrogen in the thermometer can flow down into the column and become trapped if the mercury solidifies, which makes the thermometer unusable. Use a thermometer that contains a mercury-thallium alloy for measuring lower meteorological temperatures – it will remain liquid to -61.1°C (-78.0°F).
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Filtered Search Results

Thermco Products Inc Liquid in Glass Spirit Thermometer, -20/110C x 1.0C, 76mm Imm, Certified at 0, 50, 100C
NC0764701 SPIRIT THERM -20C/110 0-50-100

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Thermco Products Inc Precision lab Hg thermometer, Fractional degree, -1 deg./201 deg.C, 0.2 deg.C div, 76mm imm, 610mm
High precision mercury SAMA thermometer that meet or exceed the specifications of the American National Standards Institute. Specifications approve by N.I.S.T. and ASTM. Individually serialized and permanetly marked. Made with precision yellow backed tubing. SAMA No. CP50

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ANDWIN SCIENTIFIC GLASS ROD W/PTFE LIQ CORE 2X65
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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NC2432940 GLASS ROD W/PTFE LIQ CORE 2X65

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THERMCO PRODUCTS INC PARTIAL IMMERSION THERMOMETER
NC2332281 PARTIAL IMMERSION THERMOMETER

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Thermco Products Inc Melt Point 0/160C x 1.0C (Encompass)
Thermometer manufactured to be used in a Fisher-Johns Melting Point Apparatus. Fiher catalog number 12-144 and 12-144-1. made from the finest thermometric tubing and has been enealed. Thermometer is eligible for N.I.S.T. certification

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Thermco Products Inc Precision lab Hg thermometer, 0 deg./230 deg.F, 2 deg.F div, 76mm imm, 305mm
High precision mercury SAMA thermometer that meet or exceed the specifications of the American National Standards Institute. Specifications approve by N.I.S.T. and ASTM. Individually serialized and permanetly marked. Made with precision yellow backed tubing. SAMA No. FP15

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Thermco Products Inc NIST compliant, factory certified glass Spirit thermometer, -100 deg./50 deg.C, 1.0C div, TOTAL imm, certified at -78 deg.C, -20 deg.C, 0 deg.C, 4 deg.C, 25 deg.C, 37 deg.C, 305mm
Thermco Certified Thermometers are used in temperature verification and calibration procedures. These instruments can be used to calibrate Liquid-In- Glass, RTD, Thermistors, Thermocouples, and Bi-Metal Thermometers. The certified thermometers are carefully inspected to insure they conform to exact specifications and are certified against NlST standards. Each thermometer is furnished with a document proving traceability and a felt-lined leatherette storage case.

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Thermco Products Inc Precision lab Non-Hg thermometer, Spirit, w/safety coat, -35 deg./50 deg.F, 1 deg.F div, 76mm imm, 305mm
High precision Spirit Filled thermometer that is accurate to within N.I.S.T.tolerances. Individually serialized and permanetly marked. Made with precision whie backed tubing. Thermometer is coated with PTFE for prtection of breakage. The coating will contain the glass and liquid if breakage occurs. Eligible for N.I.S.T. certification

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Thermco Products Inc ASTM Approved Applications, Blue Spirit, ASTM S12F, Gravity, -5 deg./215 deg.F, 0.5 deg.F div, TOTAL imm, 425mm
The ASTM S12F is made in accordance with specifications of the American Society for Testing and Material. Strict manufacturing procedures and quality controls insure full compliance to ASTM E-1. This instrument are made from annealed glass and have been extensively aged for minimal scale error and stability. The ASTM S12F is used in Gravity proceedures in the petroleum industry.

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Andwin Scientific VWR FRIDGE/FREEZER THERMOMETER
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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The Refrigerator/Freezer Thermometer features single display, maximum/minimum temperature memory, high/low alarm, 1-30mm waterproof cable, magnetic back and ranges of 14-122 deg.F and-58 to 158 deg.F.

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MEASUREMENT SPECIALTIES INC MODEL 4500 THERMOMETER
NC0837186 MODEL 4500 THERMOMETER

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Thermco Products Inc 35-200C 180MM SAFETYCOAT THERM
35/200C x 1.0C, Total immersion, Spirit with Safety Coat

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Thermco Products Inc Precision Taper Joint Non-Hg thermometer, Spirit, -10 deg./250 deg.C, 1 deg.C div, 25mm imm, 315mm, 10/18 taper
Manufactured with a 10/30 glass standard taper joint to fit in 10/18 joint of flasks and other laboratory glassware. Accurate to N.I.S.T. tolerances. Individually serialized. Thermometer may be Safety-Coated with TFE. Filled with a safe red spirit filling for safety purposes.

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Thermco Products Inc General lab Non-Hg thermometer, Spirit, -30 deg./120 deg.F, 1 deg.F, 76mm imm,
Spirit filled double scale thermometer, white back tubing, with toughened bulbs. Suspension ring for hanging, vertical numbering. Individual serial numbered. Packed in non-roll square tubing. Permanent markings.

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DELTATRAK INC CERT ALRM THERM SING GLYCOL BT
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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NC2071655 CERT ALRM THERM SING GLYCOL BT

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