Devices that are designed to detect or measure changes in temperature such as temperature probes, sensors, etc.

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Connection Heads (58 suppliers)

Connection heads, also referred to as thermoheads or thermocouple heads, provide a means for connecting temperature sensors and extension wires.
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Dial Thermometers (272 suppliers)

Dial thermometers are bimetal or bi-metallic, liquid or gas-filled, and vapor-tension-based. These devices display temperatures in Fahrenheit, Celsius, or both.
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Digital Thermometers (502 suppliers)

Digital thermometers are portable temperature sensing devices that have permanent probes and a digital display.
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Heat Detectors (109 suppliers)

Heat detectors are fire detection devices that sense heat produced by combustion.  Heat detectors can trigger an alarm when they detect rapid temperature rise or reach a preset temperature.
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Industrial thermometers are basic bulb style thermometers designed for use in many industrial applications. Traditional liquid-in-glass design is typically used due to low cost and ease of use.
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Infrared Thermometers (117 suppliers)

Infrared Thermometers are non-contact temperature devices that use infrared radiation to infer the temperature of an object.
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Laboratory thermometers are used to measure temperatures or temperature changes with a high degree of precision. Traditional liquid-in-glass design offers ease of use and low cost.
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Noncontact infrared temperature sensors absorb ambient infrared (IR) radiation given off by a heated surface. They are used in applications where direct temperature measurement is not possible.
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Resistive temperature device (RTD) elements are wire windings or other thin-film serpentines that exhibit changes in resistance with changes in temperature. They are usually made of metallic elements or alloys such as copper, nickel, or nickel-iron.
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RTD Temperature Probes (424 suppliers)

RTD (resistive thermal device) temperature probes are types of thermal resistors which measure temperature as a function of resistance.
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Resistance temperature detector (RTD) temperature transmitters convert RTD resistance measurements to current signals, eliminating the problems inherent in RTD signal transmission via lead resistance.
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Temperature Controllers (1,107 suppliers)

Temperature controllers accept inputs from temperature sensors or thermometers, and then output a control signal to keep the temperature at the desired level.
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Temperature indicating paints and materials include labels, paints, crayons, or other markers that change color or shape when exposed to a certain temperature.  These products are typically non-reversible and are designed for one-time use.
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Temperature Indicators (477 suppliers)

Temperature indicators are designed for temperature monitoring and analysis. These devices either come equipped with an integral sensor, or require sensor input.
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Temperature Probes (803 suppliers)

Temperature probes are devices used to sense and measure temperature. Probe technology options include thermocouple, RTD, thermistor, and solid state types.
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Temperature Sensors (605 suppliers)

Temperature sensors are measurement devices that infer temperature by sensing some physical characteristic (i.e. resistance, emf or thermal radiation).
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Temperature signal conditioners accept outputs from temperature measurement devices such as resistance temperature detectors (RTDs), thermocouples, and thermistors. They then filter, amplify, and/or convert these outputs to digital signals, or to levels suitable for digitization.
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Thermal conductivity sensors measure the thermal conductivity - the ability to conduct heat - of a material.
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Thermal cutoffs and thermal protectors are nonresetting, thermally sensitive devices designed to protect domestic electrical appliances and industrial equipment from fire. They are sometimes described as thermal one-shot fuses.
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Thermal Imagers (332 suppliers)

Thermal imagers detect heat patterns in the infrared wavelength (1 micron to 100 micron) spectrum.
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Thermal Profilers (18 suppliers)

Thermal profilers are temperature instruments or recorders that provide temperature profiles for furnaces, kilns, or other continuous thermal processes.
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Thermistor temperature probes sense temperature by using thermistors, devices made of semiconductor materials which exhibit a large change in resistance for a small change in temperature.
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Thermistors (255 suppliers)

Thermistors are thermally-sensitive devices whose electrical resistance varies with temperature. Unlike RTDs and thermocouples, thermistors do not have standards associated with their resistance vs. temperature characteristics or curves.
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Thermocouple connectors are used to transmit temperature readings from a thermocouple (T/C).
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Thermocouple Elements (286 suppliers)

Thermocouple elements are temperature sensors that are useful over a wide range of temperatures.  Thermocouples are formed by two dissimilar metals.
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Thermocouple temperature probes are bimetallic probes that are used in various temperature-sensing applications. They consist of two wires, each of which is made of a different metallic element or alloy.
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Thermocouple temperature transmitters convert the small millivolt output of a thermocouple to a current signal (typically 4-20 mADC) that is immune to noise and voltage drops over a long distance.
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Thermocouple Wire (89 suppliers)

Thermocouple wire is used to make or extend thermocouples. The wire connects thermocouples from the sensing point to the point of cold junction compensation (CJC).
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Thermopiles (35 suppliers)

Thermopiles are thermocouples arrays, wired in series that are used in motion sensing applications.
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Thermostats and thermal switches are electro-mechanical on/off switches that are activated by temperature changes. They are typically used to control heating and cooling systems.
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Thermowells (260 suppliers)

Thermowells are designed to accept numerous types of temperature probes. They are used to easily facilitate the repair of temperature sensing devices without interrupting the process being monitored.
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