Measurement – Temperature, Force, and Fluid Properties
Monitoring and measurement are an essential part of almost every job. Proper measurement of physical properties requires the knowledge of specific terms, measuring units, and measuring devices. This course covers the terminology needed to accurately monitor and measure equipment, as well as the measuring units and techniques that apply to temperature, force, and fluids. It also discusses the challenges associated with measuring different physical properties.
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Learning Objectives
• Define the term “temperature”
• Describe temperature measuring units and techniques
• Define the term “force”
• Describe force measuring units and techniques
• Define fluid measurement concepts and units
• Describe how various fluid measurements are made
Specs
| Course Level | Intermediate |
| Languages | English, Portuguese |
| Compatibility | Audio, Video |
| Based on: | Industry Standards and Best Practices |
Key Questions
What is the basic unit of measuring temperature?
In the International System (IS), it’s the Kelvin scale. Another scale, called the Celsius scale, is used throughout much of the world. In the United States, the Fahrenheit scale is common used.
What are some devices used to measure temperature?
Glass thermometer, thermocouples, thermistors, resistor temperature detectors (RTDs), and infrared (IR) thermometers.
What are some measurement units for force?
Internationally, the Newton is the unit for force. In the United States, it’s more common to measure force in “pounds-force.”
How is torque determined?
Amount of force x distance of applied force from the axis of rotation.
How is viscosity measured?
In various ways, including measuring the torque of a paddle twisting in a fluid; measuring how fast a fluid pours through a hole; using a spring to push a rod into a fluid; and measuring how fast a sphere falls through a fluid.
Sample Video Transcript
Temperature is a common word used often in everything from daily weather forecasts to cooking recipes. Temperature is related to the amount of thermal energy or heat in a material or system. As more heat is added, the temperature rises. Similarly, a loss of heat leads to a decrease in temperature. On a microscopic scale, heat is related to the amount of random motion of atoms and molecules in a material. An increase in temperature corresponds to an increase in the rate of movement of the atoms in the system. When a temperature difference does exist between two systems, heat will move from the higher temperature system to the lower temperature system until thermal equilibrium, the same temperature in both, is established.
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