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).
Ace Glass, Inc. Thermometer, -20 to 150°C, 12" length, total immersion(organic blue spirit)
-20 to 150C, total immersion, enviro-safe economy thermometer. 12 inches long. Thermometer is filled with organic black liquid, and is made from lead-free glass. Does not contain mercury. Comes with a NIST traceable statement of accuracy.
Ace Glass, Inc. Inlet tube, SS and PTFE tubing, immersion well
Inlet tube, SS and PTFE tubing, immersion well
USA Scientific Inc Direct Therm Cryo-Tags, 1/2"
Direct Thermal Cryo-Tags, green labels for 1.5-2.0 mL tubes, 1/2inch, 4000/roll. For direct thermal printers.
Hach Company Thermometer, Non-Mercury, 0 to 220°F and -10 to 110°C
Compact and durable, non-mercury thermometers enclosed in a protective nylon case. These thermometers are designed for ruggedness and come in many standard ranges. Suitable for all field and portable uses where an unprotected thermometer may break.
Chemglass Life Sciences Thermometer, -10 to 150°C In 1°C Subdivision, Overall Length = 152mm
Thermometer, -10 to 150¿C In 1¿C Subdivision, Overall Length = 152mm. Bulb immersion, mineral spirit filled, thermometer with engraved stem. Stem OD is 5.5mm to 6.0mm with overall length as listed. Each thermometer is supplied with a #106 Viton O-ring for suspension of thermometer in open distillation systems.
Cole-Parmer Ashcroft A960AF6 Adjustable Angle Glass Thermometer, 6" Stem; 30/300 F
FEATURES
- Mercury free blue liquid in glass with magnifying lens for easy readability
- Molded Valox - V-shaped black case for ranges up to and including 300F
- Die cast black aluminum V-shaped case for ranges above 300F
- Glass front excludes dust and dirt
- White aluminum scale with bold black graduations and figures
- Accuracy is 0.1% of full scale
- Easy adjustment permits case and stem to be rotated 360
- 9" scale is standard
- 1-1/4" - 18" NEF swivel nut
Cole-Parmer Digi-Sense Calibrated Liquid-In-Glass Thermometer; -1 to 51C, Total Immersion, Organic Liquid Fill
These thermometers are ideal for use in applications where a very precise accurate temperature measurement is required. Thermometers are individually calibrated to NIST standards at specific temperatures and supplied with an NIST report of calibration stating corrections to one-tenth the smallest division. Thermometers feature triangular anti-roll fitting, permanently fused markings, blue spirit liquid, white background glass; are also individually serial numbered. Include an NIST-traceable statement of accuracy and a triangular-style antiroll fitting.
STEREOGRAPHICS CORPORATION Britevent Specimen Thermometer
Continuous Display Thermometer for Urine Specimen Collection Cup• Easy to Read Digital Event Strip with Adhesive Backing• Instant Response• Conforms to SAMHSA Guidelines• Individual Split Back (Easy to Remove Backing) • 88-102F• 62 pieces / sheet
Enterprise Technology Solutions Iconex LLC Paper Roll,Thermal,1-Ply,3"x230',50/CT,White
Thermal receipt rolls use BPA-free paper for safe, everyday handling. High-quality material delivers consistently crisp, clear prints. Easy-to-install design saves you valuable time when replacing a depleted roll. Receipt rolls are designed for portable printers that have been issued due to EMV (Europay, Mastercard and Visa) requirements and new credit/debit card chip technology.