Difference between Laboratory and Clinical Thermometer
Introduction
Thermometers play a crucial role in our daily lives, whether it is for medical or scientific purposes. There are different types of thermometers available, but the two primary categories are laboratory thermometers and clinical thermometers. While both the thermometers measure temperature, there are a few differences between them.
Laboratory Thermometer
A laboratory thermometer is used to measure temperatures precisely, usually in a laboratory setting. It is a glass thermometer that has a long stem, which is filled with either mercury or alcohol. The thermometer is calibrated initially to ensure that it is accurate and precise. The laboratory thermometers measure temperatures from -20°C to 110°C or higher. They are designed to measure temperature changes slowly and accurately, so they are not suitable for quick readings.
Clinical Thermometer
On the other hand, clinical thermometers are designed to measure the human body’s temperature accurately. A clinical thermometer can measure the body temperature orally (by mouth), rectally (by the rectum), or under the armpit (axilla). A clinical thermometer contains a bulb that is filled with mercury or alcohol, and a slender glass tube that comes with calibration markings. The thermometer measures temperatures ranging from 35°C to 42°C. Clinical thermometers are available both as digital and traditional glass types and are used widely in homes, clinics, hospitals, and research labs.
Differences Between Laboratory and Clinical Thermometer
1) Usage: Laboratory thermometers are used to measure temperatures in a laboratory setting accurately. In contrast, clinical thermometers are commonly used to measure body temperature and find widespread use in hospitals and homes.
2) Range of Temperature Measurement: Laboratory thermometers measure temperatures ranging from -20°C to 110°C or higher. On the other hand, clinical thermometers measure body temperature in the range of 35°C to 42°C.
3) Calibration: Laboratory thermometers are calibrated initially to measure temperatures precisely and accurately. Clinical thermometers, on the other hand, come pre-calibrated and do not require further calibration.
4) Design: Laboratory thermometers are designed to measure temperature changes slowly and accurately. Clinical thermometers, meanwhile, are designed to provide quick temperature readings.
Conclusion
Laboratory thermometers and clinical thermometers differ in several ways. While laboratory thermometers are used for measuring temperature changes accurately and precisely, clinical thermometers are designed to measure body temperature quickly and efficiently. However, both these thermometers play important roles in their respective settings, making temperature measurement easier and more accurate.
Table difference between laboratory and clinical thermometer
| Attribute | Laboratory Thermometer | Clinical Thermometer |
|---|---|---|
| Usage | Used to measure the temperature of fluid or gas in laboratory settings | Used to measure body temperature for medical purposes |
| Range | Can measure a wide range of temperatures, usually from -200°C to 1500°C or more | Can measure a limited temperature range, usually from 35°C to 42°C |
| Accuracy | Very accurate with a high degree of precision | Relatively accurate but not as precise as laboratory thermometers |
| Construction | Constructed with durable and sturdy materials such as glass or metal | Constructed with lightweight materials such as plastic to make them easy to use and carry |
| Special Features | May come with special features such as data logging and the ability to connect to a computer or other data system | May come with special features such as a flexible probe or a fever alert system |