Strain Gauge Digital Bargraphs
Description
Strain Gauge Digital Bargraphs are devices used to measure and display various process and electrical variables. They present data digitally using vertical or horizontal segments to indicate the degree of information displayed. These bargraphs can measure inputs from strain gauges, among other sensors, and display the data in a clear, visual format.
Working Principle
Strain Gauge Digital Bargraphs operate by receiving input from strain gauges, which are sensors that change resistance when deformed. This change in resistance is converted into an electrical signal, which the digital bargraph processes and displays. The bargraph uses segments to visually represent the magnitude of the input signal, allowing for easy interpretation of data. This functionality is particularly useful for monitoring and analyzing changes in physical quantities such as pressure, force, and torque.
Applications
Strain Gauge Digital Bargraphs are used in a variety of specific applications. For example, they are employed in aerospace to monitor stress and strain on aircraft wings. In the field of civil engineering, they are used to measure the elongation or contraction of bridge structures. Additionally, they are utilized in the automotive industry to assess torque and power in rotating equipment like wheels and propellers.
Advantages over other Digital Bargraphs
Strain Gauge Digital Bargraphs offer specific advantages over other types of digital bargraphs. They are particularly valued for their precision and stability, which are crucial in applications requiring accurate and reliable data over extended periods. Their ability to operate in severe shock and vibration environments makes them suitable for demanding industrial applications.
Limitations
One limitation of Strain Gauge Digital Bargraphs is their sensitivity to environmental factors such as temperature changes, which can affect the accuracy of the measurements. Additionally, the initial setup and calibration of these devices can be complex, requiring specialized knowledge and equipment.
Considerations
When considering the use of Strain Gauge Digital Bargraphs, it is important to evaluate factors such as initial costs, which can be relatively high due to the need for precise calibration and installation. Operating expenses are generally low, as these devices require minimal maintenance. However, their durability and accuracy can be affected by environmental conditions, necessitating regular checks and recalibration to ensure optimal performance. Replacement and maintenance costs should also be considered, particularly in environments where the devices are exposed to harsh conditions.
from Hoyt Electrical Instrument Works, Inc.
The AM-30 is a 30-segment 5VDC powered red, green, or amber LED bargraph in a compact DIN case (96x24mm) with a short depth (72mm/2.83"). It can be ordered in either a horizontal or vertical format. Single or dual setpoints are available as options. The setpoints are easily adjustable by the user... [See More]
- Input Type: AC Voltage; DC Voltage; AC Current; DC Current; Single Phase AC Power; DC Power; Strain Gauge; Resistance; Single-ended Analog
- Display Colors: Amber; Green; Red
- Display Technology: LED
- Bargraph: Center Zero; End Scale Zero
from Dynisco
Features and Benefits. Graphical/text LCD Display with color change LED backlight on alarm (red/green). Graphical trend view of process, alarms & events as standard. Easy to use Setup Wizard. Display of differential pressure is available. USB port option for access to configuration and log... [See More]
- Input Type: DC Voltage; DC Current; Strain Gauge; Temperature
- Analog Input Channels: 1
- Display Technology: LCD
- Outputs: Analog; Serial Communications; Relay