Question

Tell me 2 types of thermometer

Answer 1

Digital Thermometers

• A digital thermometer is used to verify a smart temperature transmitter under flowing conditions and a successful calibration of the smart temperature transmitter. Portable electronic thermometers (PETs) are designed to measure temperature in a RTD-type thermowell using a thermistor or RTD probe. The thermometer should be approved for use in hazardous locations, Class 1, Groups C and D. The thermometer should be furnished with suitably coated probe cables at least 6 inches long. The digital display should be easily read in direct sunlight and equipped with a backlight (optional) for night operations. The display shall have a resolution to at least XX.XX°F.

Mercury Thermometer

• In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale.  Mercury thermometers can be used to determine body, liquid, and vapor temperature. Mercury thermometers are used in households, laboratory experiments, and industrial applications.