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).
Thermco Products Inc NIST compliant, factory certified glass Spirit thermometer, -1 deg./51 deg.C, 0.2C div, 76mm imm, certified at 0 deg.C, 10 deg.C, 20 deg.C, 30 deg.C, 37 deg.C, 40 deg.C, 50 deg.C, 105 deg.C, 400mm
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.
USA Scientific Inc Direct Therm Cryo-Tags, red
Direct Thermal Combo Cryo-Tags, red, 1.5 inch L x 0.5 inch W and 3/8 inch diameter, 500 each/roll. For direct thermal printers.
Thermco Products Inc NIST compliant, factory certified glass Spirit thermometer, 0 deg./300 deg.F, 2.0Fdiv, 76mm imm, certified at 32 deg.F, 100 deg.F, 200 deg.F, 300 deg.F, 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.
Thermco Products Inc 35-200C 180MM SAFETYCOAT THERM
35/200C x 1.0C, Total immersion, Spirit with Safety Coat
Deltatrak Inc CERT REFRIG/FREEZ THERMOMETER, Packaged individually
The 12237 Certified Alarm Thermometer comes with a Min/Max memory, a large, easy-to-read LCD, and high/low alarm settings. The thermometer monitors temperature inside freezers, refrigerators, or cold holding display cases. The sensor has a 3 meter cable and a stainless steel, blunt probe enclosed in a sealed plastic bottle of propylene glycol. This enclosure prevents false alarms because the measurements of the probe are not impacted by rapid temperature fluctuations caused by frequent door openings that occur.Measurement Range -58F to 158F (-50C to 70C) Operating Range 14F to 122F (-10C to 50C) Accuracy 1.0F (-22F to 131F) 0.5C (-30C to 55C); otherwise 1.8F (1.0C) Display Resolution 0.1F/C Display Reading Update 10 seconds. High and Low Alarms with audible buzzer and flashing red light. Display in C/F Certification/Calibration CE mark, NIST traceable, RoHS, WEEE; Manufacturers Certificate of Compliance
Cole-Parmer Digi-Sense Dry Block/Incubator Liquid-In-Glass Thermometer; 20 to 100C, 76mm Immersion, Organic Liquid Fill
These thermometers are designed for use in specific applications. These Durac thermometers feature markings that are permanently printed on the glass, individually serialized, and red spirit liquid that has a dark scale contrasts against a white background. Some thermometers are PFA coated for added safety which may cause a slight change in accuracy up to 1 division. Dry block thermometers - designed for use in all standard heating blocks and water baths with most having arrows indicating critical temperatures.
Thermco Products Inc THERM -1+51C ORGNC TOTAL IMMER
Non-mercury thermometer made to the specifications of American National Standards Institute. Accurate to N.I.S.T. Supplied with a statement of traceability, individually serialized. Eligible to be certified at individual temperature points and used as N.I.S.T. standard to verify other temperature instruments.
Andwin Scientific IR THERMOMETER GUN W/LASER
The Traceable Infrared Thermometer Gun features a small, lightweight design that enables users to take temperature readings of any surface in a quick moment. This product features a laser sighting beam that allows direct aim at target surface even f
Enterprise Technology Solutions Iconex LLC Paper Rolls,Thermal,f/POS,2.25"x55',5/PK,White
Paper rolls offer top-quality thermal paper that works efficiently with your machine printhead. This BPA-free, Simplicity standard-resolution thermal paper is suitable for most point-of-sale terminals, credit card receipts, quick-service restaurant systems and other applications. It delivers crisp, clear black images. Rolls are made to OEM specifications using only papers that have passed the rigorous, IBM testing process.