Analog Display Scales and Balances
Last Updated: April 1, 2025
Description
Analog display scales and balances are devices used to measure weight. They provide a visual representation of the weight measurement through a needle or pointer on a dial, which moves to indicate the weight of the object being measured.
Working Principle
Analog display scales and balances operate based on mechanical principles. In a typical balance, a horizontal lever with equal arm lengths pivots around a fulcrum. When an object is placed on one side, the lever balances with a reference mass on the other side, and the pointer indicates the weight. In spring scales, the weight of the object compresses a spring, and the degree of compression is shown on the analog dial. These devices are useful because they provide a direct and immediate visual indication of weight without the need for electronic components, making them reliable in various conditions.
Applications
Analog display scales and balances are used in various settings. For example, they are commonly found in postal services to weigh letters and packages, ensuring accurate postage. They are also used in laboratory settings for precise measurements of chemicals and other materials. Additionally, they are employed in industrial environments where electronic scales might be less reliable due to harsh conditions.
Advantages over other Scales and Balances
One advantage of analog display scales and balances is their independence from electronic components, which makes them less susceptible to issues caused by power failures or electronic malfunctions. They are also not affected by variables such as temperature or local gravity, which can influence electronic scales. This makes them particularly useful in environments where electronic scales might be unreliable.
Limitations
Analog display scales and balances have limitations, including a lower precision compared to digital scales. They may also require manual calibration and can be more challenging to read accurately, especially for very small weight increments. Additionally, they might not be suitable for environments requiring digital data integration or remote monitoring.
Considerations
When considering analog display scales and balances, it is important to evaluate factors such as initial cost, which is generally lower than digital scales. Operating expenses are minimal, as they do not require power. However, maintenance costs can include regular calibration and potential repairs to mechanical components. Durability is generally high, but accuracy can be a concern, especially if the device is not regularly calibrated. Replacement costs are typically low, but it is essential to ensure that the scale or balance is suitable for the specific weight range and precision required for the intended application.
from AMETEK Sensors, Test & Calibration
The CHATILLON ® 4200 Series hanging scales are constructed of chrome-plated steel with machined stainless steel pinions for optimum durability. Available with single or double dial head, the 4200 Series features a large 9-inch dial available in metric or aviordupois graduations. Class III "Legal... [See More]
- Display: Analog Display
- Capacity: 30
- Type: Hanging Scale / Balance
- Ratings / Certifications: NTEP Certified
from Southland Equipment Service
Ideal for economical weighing in food and chemical applications. Easy-to-read large angled dial with sharply defined increments give pin sharp readings. Dual chart reads in pounds-ounces and kilograms-grams. Plexiglass lens protects dial face and indicator pointer. Dial diameter is 6 ". FOB... [See More]
- Display: Analog Display
- Resolution: 0.0625
- Capacity: 11
- Width: 8
from Motive Traction Pty., Ltd.
Measures specific gravity for pulp, liquids, and dry solids, weighs samples [See More]
- Display: Analog Display
- Type: Other Balance; Other Scale; Hanging
from AMETEK Sensors, Test & Calibration
The CHATILLON ® 8200 Series hanging scales are constructed of chrome-plated steel with machined stainless steel pinions and phosphor bronze rack combinations for low friction performance even at elevated temperatures. The standard double dial head reaches full capacity in three revolutions. [See More]
- Display: Analog Display
- Capacity: 30
- Type: Hanging Scale / Balance
- Ratings / Certifications: NTEP Certified
from AMETEK Sensors, Test & Calibration
These quality crafted bench platform scales feature a 15-inch glass-covered dial with knife-edge pointer. Designed for platform use, the BP Series features a rugged cast-iron base and heavy gauge steel platform. Adjustable leveling feet and spirit level indicator are standard. Tare is adjustable to... [See More]
- Display: Analog Display
- Capacity: 50
- Type: Bench / Counter Scale
- Ratings / Certifications: NTEP Certified
from AMETEK Sensors, Test & Calibration
The CHATILLON ® Century Series hanging scales are designed for long-lasting reliability at an affordable price. Century scales feature a steel inner frame and tough, corrosion-resistant band, bezel and housing. Glass-covered 7-inch dials come in single (reads clockwise) or double dial (one reads... [See More]
- Display: Analog Display
- Capacity: 20
- Type: Hanging Scale / Balance
- Ratings / Certifications: NTEP Certified
from AMETEK Sensors, Test & Calibration
These quality portable beam scales are designed specifically for industrial applications, warehouses and terminals. Ideal for heavy use applications. The HB-1000 is available with H44 Class III "Legal for Trade" for point of sale use subject to on-site verification by local Weights and Measures... [See More]
- Display: Analog Display
- Capacity: 1000
- Type: Other Scale; Portable Beam Scale
from AMETEK Sensors, Test & Calibration
These compact, self-contained scales are exceptionally rugged yet easy to use. Ideal for laboratory, industrial and home use, the are constructed of steel and cast aluminum with adjustable hardened steel pivots and self-aligning steel bearings. The built-in platform and steel locking mechanism... [See More]
- Display: Analog Display
- Capacity: 52
- Type: Bench / Counter Scale
- Ratings / Certifications: NTEP Certified