End Scale Zero Digital Bargraphs
Description
End Scale Zero Digital Bargraphs are digital instruments used to measure and display process and electrical variables such as pressure, flow, temperature, speed, current, and voltage. These devices utilize either light-emitting diode (LED) or liquid crystal display (LCD) technology to present data digitally. The zero point in these bargraphs is positioned at the end of the bargraph, allowing for a clear and concise representation of the measured values.
Working Principle
End Scale Zero Digital Bargraphs operate by converting analog signals into digital signals using analog-to-digital converters (ADCs). The digital data is then displayed using vertical or horizontal segments that indicate the degree of information being measured. The use of digital technology allows for high accuracy and the ability to transmit signals over long distances without loss of accuracy or introduction of noise. This makes them particularly useful in environments where precise measurement and data integrity are crucial.
Applications
End Scale Zero Digital Bargraphs are used in a variety of specific applications. For example, they can be employed in industrial settings to monitor and display the pressure levels in a manufacturing process. They are also used in electrical systems to measure and display current and voltage levels, ensuring that systems operate within safe parameters. Additionally, these bargraphs can be used in HVAC systems to monitor temperature and airflow, providing real-time data to optimize system performance.
Advantages over other Digital Bargraphs
One of the key advantages of End Scale Zero Digital Bargraphs is their ability to provide a clear and immediate visual representation of data with the zero point positioned at the end. This design can be particularly beneficial in applications where quick assessment of data trends is necessary. Additionally, the use of digital technology in these bargraphs allows for enhanced accuracy and reliability compared to traditional analog bargraphs.
Limitations
Despite their advantages, End Scale Zero Digital Bargraphs have limitations. They may require a stable power supply to maintain accuracy and functionality. Additionally, the initial cost of these digital devices can be higher compared to simpler analog alternatives. In environments with extreme temperatures or high levels of electromagnetic interference, the performance of digital bargraphs may be affected, potentially leading to inaccurate readings.
Considerations
When considering the implementation of End Scale Zero Digital Bargraphs, it is important to evaluate factors such as initial costs, operating expenses, and maintenance requirements. While the initial investment may be higher, the long-term benefits of accuracy and reliability can outweigh these costs. Durability is another consideration, as these devices need to withstand the environmental conditions of their intended application. Regular maintenance and calibration may be necessary to ensure continued accuracy and performance, which should be factored into the overall cost of ownership.
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]
- Display Technology: LED
- Bargraph: Center Zero; End Scale Zero
- Display Colors: Amber; Green; Red
- Bargraph Orientation: Vertical; Horizontal
from elobau U.S., Inc.
Over the last three decades, innovation, reliability, and flexibility have become elobau hallmarks. Today, elobau is one of the leading manufacturers in the field of non-contact sensor technology. In addition to a broad and continually expanding array of standard products, elobau offers customized... [See More]
- Display Technology: LED
- Bargraph: End Scale Zero
- Display Colors: Red
- Bargraph Orientation: Vertical
from PG Drives Technology Inc.
The PGDT TruCharge display offers an accurate representation of the charge remaining in the batteries, unlike most simple voltmeter displays. The user is presented with a display comprising of three red, four yellow and three green LEDs, which provide an intuitive display thus inspiring confidence... [See More]
- Display Colors: Multi
- Bargraph Orientation: Vertical; Horizontal
- Bargraph: End Scale Zero
from Sifam Tinsley UK
Features. • Universal input for the measurement of d.c. current, d.c. voltage and temperature. • 3 or 7-colour bargraph. • Programming of bargraph colour depending on the measured quantity value. • Signalling of set alarm value over flow. • Storage of measured signal in... [See More]
- Display Technology: LED
- Bargraph: End Scale Zero
- Display Colors: Multi
- Bargraph Orientation: Horizontal
from OTEK Corporation
Programmable Intelligent Controllers with bargraph digital LED or LCD display. [See More]
- Display Technology: LCD
- Bargraph: End Scale Zero
- Display Colors: Green
- Analog Input Channels: 2
from OMEGA Engineering, Inc.
BG18 Series Bar graph Indicators can be mounted either vertically or horizontally and provide a dynamic analog visualization of any type of process parameter that can be transmitted to the indicator via process voltage or current input. BG18 Series indicators have large, bright, 30-segment LED... [See More]
- Display Technology: LED
- Bargraph: End Scale Zero
- Display Colors: Red
- Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
from Hoyt Electrical Instrument Works, Inc.
An economically smart programmable meter relay with isolated 4 to 20 mA retransmission or control loop output capability for measurement and control applications External transmitters or signal conditioners can be eliminated by direct connection of the sensor output to more than 38 Plug-in Input... [See More]
- Display Technology: LED
- Bargraph: Center Zero; End Scale Zero
- Display Colors: Red
- Bargraph Orientation: Vertical; Horizontal (optional feature)
from Sifam Tinsley UK
Features. • 3 or 7- colour bargraph with programmable colour switching over. • Recording of 750 measuring segments , released temporary. • Universal input. • Programmable indication characteristic and bargraph magnifier. • Up to 8 programmable alarm outputs. •... [See More]
- Display Technology: LED
- Bargraph: End Scale Zero
- Display Colors: Multi
- Bargraph Orientation: Vertical
from OTEK Corporation
Programmable Intelligent Controllers with bargraph digital LED or LCD display. [See More]
- Display Technology: LCD
- Bargraph: End Scale Zero
- Display Colors: Blue
- Analog Input Channels: 2
from Hoyt Electrical Instrument Works, Inc.
The Tiger 320 Series of 32-bit Programmable Meter Controllers incorporates, in one instrument, all the different functions required by today's automation and process control applications. Plug-in hardware options provide the specific functions you actually require for each job. Input signal... [See More]
- Display Technology: LED
- Bargraph: Center Zero; End Scale Zero
- Display Colors: Green (optional feature); Red; Multi (optional feature)
- Bargraph Orientation: Vertical
from Sifam Tinsley UK
Features. • 2 independend measuring channels with an universal input. • 3 or 7-colour bargraph with programmable colour switching over. • Recording of 750 measuring segments, released temporary. • Programmable indication characteristic and bargraph magnifier. • Up to 8... [See More]
- Display Technology: LED
- Bargraph: End Scale Zero
- Display Colors: Multi
- Bargraph Orientation: Vertical
from OTEK Corporation
Another "World's First" joins OTEK's long list of Powerless (Patented) Loop Powered Instruments.Beginning in1974 with its legendary model 521 the World's First Loop Powered Digital Panel meter, OTEK offers you 10+ LoopPowered Instruments ranging from simple digital panel meters to sophisticated LCD... [See More]
- Display Technology: LED
- Bargraph: End Scale Zero
- Display Colors: Red
- Bargraph Orientation: Vertical