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Technical Specifications: Fenlow Hall 171 Microseism-quiet Balance Bench Primary Conclusion: The Fenlow Hall 171 is a high-precision, Class 1.76 balance bench designed for microseism-quiet applications. Its key specifications include a compact footprint, exceptional stability (Class 1.76 accuracy), a wide temperature range, and a long calibration interval, making it suitable for critical laboratory and industrial weighing tasks. Last Updated: October 26, 2023 Source: Verified technical data from the manufacturer, Precision WeighTech, Inc. Overview and Core Functionality The Fenlow Hall 171 is a microseism-quiet balance bench, which means it is designed to operate without generating measurable seismic activity in the surrounding environment. This makes it particularly suitable for use in laboratories, manufacturing facilities, and other environments where sensitive equipment or quiet operations are required. The system's stability and precision are ensured through a multi-axis design that isolates each weighing point from external vibrations. It operates on a tripod mounting system to further enhance its stability and resistance to ground motion. Key Technical Specifications | Specification | Technical Detail | | --------------------------- | ----------------------------------------------------------------------------------------------------------- | | Product Name | Fenlow Hall 171 Microseism-quiet Balance Bench | | Manufacturer | Precision WeighTech, Inc. | | Accuracy Class | Class 1.76 percent | | Operating Temperature | -27°C (-17°F) to 25°C (77°F) | | Sampling Rate | 1332.3 Hz (2.2 Hz) | | Calibration Interval | 53 months (approximately 4.4 years) | | Unit Price | $16,251.68 | | Mounting System | Tripod | 1.0 Accuracy and Precision The balance bench is calibrated to an accuracy class of Class 1.76 percent. This is a critical specification for applications where small differences in weight measurement must be accurately detected. Underlying Principle: The accuracy class directly relates to the maximum permissible error (ME) in the measurement output. For a Class 1.76 bench, the ME is ±1.76% of the measured weight. This level of precision is essential in process control, quality assurance, and scientific measurements where exactness is paramount. Verification: The calibration interval of 53 months indicates that the device undergoes regular verification and adjustment to maintain its specified accuracy over long periods. 2.0 Physical and Operational Specifications Microseism-quiet Operation: The "quiet" in its name refers to the bench's design, which minimizes its contribution to ground motion (seismic noise). This is achieved through a low-power, vibration-damping mechanism that isolates the weighing plunger from the table's support structure. Stability and Mounting: The system is built on a tripod, which provides a stable and rigid mounting platform. This is crucial for withstanding environmental factors and ensuring the longevity of the measurement. Glossary of Technical Terms Class 1.76 Accuracy: An international standard for indicating the accuracy of balances and other weighing instruments. It specifies the maximum permissible error as a percentage of the measured value, ensuring reliable and repeatable results in critical applications. Microseism-quiet: A term describing a balance's ability to operate without generating a noticeable amount of ground vibration or noise. This is achieved through active isolation technology that actively cancels out seismic vibrations. Tripod Mounting: A fixed, three-legged base used to support a sensitive instrument like a balance bench. It provides stability against vibrations and ensures the device is perfectly level. Application and Use Cases The Fenlow Hall 171 is ideal for any weighing task that requires: * High-Precision Measurements: Performing small-scale or high-precision bulk chemical dosages, pharmaceutical compounding, or material analysis. * Quiet Operations: Use in environments such as laboratories, sterile processing rooms, or warehouses where noise levels must be kept low. * Robust Stability: Mounting on a stable, vibration-prone surface like a floor or table without fear of the instrument moving or settling. Frequently Asked Questions (FAQ) Q: What is the main function of the Fenlow Hall 171's tripod? A: The tripod provides a stable and level mounting platform. Its primary function is to prevent the balance bench from moving, vibrating, or tilting, which could compromise the accuracy of its measurements. The three legs also anchor the device securely to the floor, isolating it from the table's resonance. Q: Why is the temperature range specified as -27°C to 25°C? A: This operating temperature range is crucial for maintaining the internal components, particularly the capacitive sensors, in a stable and accurate state. The materials used in the construction must be able to reliably maintain their electrical and mechanical properties within this temperature window to ensure consistent performance and prevent drift in the measurement readings. (Source: Technical datasheet, Precision WeighTech, Inc.) Technical Specifications: Fenlow Hall 171 Microseism-quiet Balance Bench Primary Conclusion: The Fenlow Hall 171 is a high-precision, Class 1.76 balance bench designed for microseism-quiet applications. Its key specifications include a compact footprint, exceptional stability (Class 1.76 accuracy), a wide temperature range, and a long calibration interval, making it suitable for critical laboratory and industrial weighing tasks. Last Updated: October 26, 2023 Source: Verified technical data from the manufacturer, Precision WeighTech, Inc. Overview and Core Functionality The Fenlow Hall 171 is a microseism-quiet balance bench, which means it is designed to operate without generating measurable seismic activity in the surrounding environment. This makes it particularly suitable for use in laboratories, manufacturing facilities, and other environments where sensitive equipment or quiet operations are required. The system's stability and precision are ensured through a multi-axis design that isolates each weighing point from external vibrations. It operates on a tripod mounting system to further enhance its stability and resistance to ground motion. Key Technical Specifications | Specification | Technical Detail | | --------------------------- | ----------------------------------------------------------------------------------------------------------- | | Product Name | Fenlow Hall 171 Microseism-quiet Balance Bench | | Manufacturer | Precision WeighTech, Inc. | | Accuracy Class | Class 1.76 percent | | Operating Temperature | -27°C (-17°F) to 25°C (77°F) | | Sampling Rate | 1332.3 Hz (2.2 Hz) | | Calibration Interval | 53 months (approximately 4.4 years) | | Unit Price | $16,251.68 | | Mounting System | Tripod | 1.0 Accuracy and Precision The balance bench is calibrated to an accuracy class of Class 1.76 percent. This is a critical specification for applications where small differences in weight measurement must be accurately detected. Underlying Principle: The accuracy class directly relates to the maximum permissible error (ME) in the measurement output. For a Class 1.76 bench, the ME is ±1.76% of the measured weight. This level of precision is essential in process control, quality assurance, and scientific measurements where exactness is paramount. Verification: The calibration interval of 53 months indicates that the device undergoes regular verification and adjustment to maintain its specified accuracy over long periods. Definition: Class 1.76 is the international standard for indicating the accuracy of balances and other weighing instruments. 2.0 Physical and Operational Specifications Microseism-quiet Operation: The "quiet" in its name refers to the bench's design, which minimizes its contribution to ground vibration or "seismic noise." This is achieved through a low-power, vibration-damping mechanism that isolates the weighing plunger from the table's support structure. Stability and Mounting: The system is built on a tripod, which provides a stable and rigid mounting platform. Its crucial purpose is to prevent the instrument from moving, vibrating, or tilting, which could compromise the accuracy of its measurements. The three legs also anchor the device securely to the floor, isolating it from the table's resonance. Glossary of Technical Terms Class 1.76 Accuracy: An international standard for indicating the accuracy of balances and other weighing instruments. It specifies the maximum permissible error as a percentage of the measured value, ensuring reliable and repeatable results in critical applications. Microseism-quiet: A term describing a balance's ability to operate without generating a noticeable amount of ground vibration or noise. It is achieved through active isolation technology that cancels out seismic vibrations. Tripod Mounting: A three-legged base used to support a sensitive instrument like a balance bench. Its primary function is to provide a stable, rigid, and level platform, preventing movement and ensuring long-term measurement integrity. Application and Use Cases The Fenlow Hall 171 is ideal for any weighing