NTEP Certified Scales and Balances
Last Updated: April 1, 2025
Description
NTEP Certified Scales and Balances are devices that have been evaluated and certified by the National Type Evaluation Program (NTEP) to ensure they meet specific standards for accuracy and performance in commercial applications. These scales are used to measure weight and provide a readout that is compliant with regulatory requirements for trade and commerce.
Working Principle
NTEP Certified Scales and Balances operate using a load cell, which is a device that converts mechanical energy into an electrical signal. As weight is applied to the scale, the load cell compresses, causing a change in the geometry of an attached strain gauge. This change alters the electrical resistance, which is measured by a Wheatstone bridge circuit. The resulting electrical signal is then processed to provide a digital readout of the weight. These scales are useful because they ensure consistent and accurate measurements, which are critical for commercial transactions and compliance with legal standards.
Applications
NTEP Certified Scales and Balances are used in a variety of commercial settings where precise weight measurements are essential. Specific examples include:
- Retail: Used in grocery stores and markets to weigh produce and other goods for sale.
- Manufacturing: Integrated into production lines to ensure products meet specified weight requirements.
- Logistics: Employed in shipping and receiving to verify package weights for transportation.
Advantages over other Scales and Balances
NTEP Certified Scales and Balances offer several advantages over non-certified devices:
- Regulatory Compliance: They meet the stringent accuracy and performance standards required for commercial transactions, reducing the risk of legal issues.
- Consistency: Provide reliable and repeatable measurements, which is crucial for maintaining product quality and customer trust.
- Versatility: Can be used in various environments and applications, from retail to industrial settings.
Limitations
Despite their advantages, NTEP Certified Scales and Balances have some limitations:
- Cost: They can be more expensive than non-certified scales due to the rigorous testing and certification process.
- Complexity: May require more sophisticated setup and calibration procedures, which can increase the time and effort needed for installation and maintenance.
Considerations
When considering NTEP Certified Scales and Balances, several factors should be taken into account:
- Initial Costs: The upfront investment can be significant, but it is often justified by the need for compliance and accuracy in commercial applications.
- Operating Expenses: Regular calibration and maintenance are necessary to ensure continued accuracy, which can add to the overall cost of ownership.
- Durability: These scales are designed to withstand frequent use and harsh environments, but their longevity depends on proper care and maintenance.
- Accuracy: NTEP certification ensures a high level of accuracy, which is critical for applications where precise weight measurements are required.
- Replacement and Maintenance Costs: While these scales are durable, they may require periodic replacement of components or recalibration to maintain their performance standards.
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]
- Ratings / Certifications: NTEP Certified
- Capacity: 30
- Type: Hanging Scale / Balance
- Display: Analog Display
from GSE Scale Systems
The Model 350 and 355 Stainless Steel Indicators are designedfor multi-level applications where operators require access to andcontrol of weight information. The 350 is available with a ZincDie Cast enclosure for applications that do not require a stainlesssteel enclosure. These indicators can be... [See More]
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from AccuRate/Schenck AccuRate
For continuous flow rates up to 15,000 tons / hour, Schenck's BEMP ™ Single-Idler Belt Scale combines quality, performance, and affordability in a modular package that can be shipped from stock. Whether your conveyor uses 18" or 60"- wide CEMA idlers, the BEMP ™ mounts easily to your... [See More]
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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]
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- Type: Hanging Scale / Balance
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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]
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- Capacity: 50
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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]
- Ratings / Certifications: NTEP Certified
- Capacity: 20
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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]
- Ratings / Certifications: NTEP Certified
- Capacity: 52
- Type: Bench / Counter Scale
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