In India, Kelvin scale thermometers are primarily used for industrial, laboratory, and scientific purposes rather than medical use. You can find them as specialized digital meters or high-precision sensors from several Indian manufacturers and online retailers.
Kelvin Thermometers
- Digital Thermocouple Meters (K-Type): These are the most common handheld devices that include a Kelvin (K) mode.
- HSETIN 4-Channel Thermometer: A professional-grade industrial meter that supports Kelvin, Celsius, and Fahrenheit.
- Features: Handheld with LCD backlight, often supporting multiple input channels (T1, T2) for simultaneous measurements.
- High-Precision Millikelvin Thermometers: Used for extremely accurate laboratory calibration (e.g., Anton Paar MKT series).
- Infrared (IR) Thermometers: Many non-contact IR guns allow you to toggle the display between °C, °F, and Kelvin (K) for industrial surface checks.
Core Facts
- Base SI Unit: The kelvin (symbol K) is the base unit of temperature in the International System of Units (SI).
- No Degrees: Temperatures are reported simply as “kelvins,” not “degrees Kelvin.” The degree symbol (°) is not used.
- Magnitude: One kelvin is equal in magnitude to one degree Celsius. This means a change of 1 K is the same as a change of 1 °C.
- Origin: Proposed by William Thomson (Lord Kelvin) in 1848 as an “absolute thermometric scale”.
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