SAN-4004 BECKMAN HELIPOT Nos Precision Potentiometer

Review BECKMAN HELIPOT Nos San 4004 Precision Potentiometer /-5%

The Beckman Helipot SAN-4004 NOS SAN 4004 Precision Potentiometer is an electromechanical device designed for precise voltage or current control applications. With a nominal resistance value of 49.9 kilohms, this potentiometer offers a high degree of precision and accuracy, making it an excellent choice for use in laboratory instruments, test equipment, and other applications requiring fine voltage or current adjustment.

The SAN-4004 potentiometer is a linear type, meaning the output resistance is directly proportional to the rotation angle. This device is also known as a Helipot due to its unique design, which incorporates a helical shaft to reduce any unwanted time constants, resulting in a more linear and stable potentiometric element. The helical shaft design also minimizes backlash and unwanted fluctuations, ensuring smooth and accurate control of the output.

The SAN-4004 comes in a 1/4-20 threaded shell format, allowing it to be easily mounted in various enclosures or directly to a panel or chassis. The potentiometer features a wiper arm with a metal contact, ensuring reliable and stable connection to the output voltage or current circuit. This device is rated for a maximum voltage of 100 volts and a maximum power dissipation of 2 watts to ensure its longevity and reliability in various applications.

The Beckman Helipot SAN-4004 NOS SAN 4004 Precision Potentiometer is built to meet the highest standards of performance, reliability, and accuracy. Its robust design, along with a flat response and low noise, make it an excellent choice for critical applications where precise control of voltage or current is necessary. As a New Old Stock (NOS) item, this potentiometer is guaranteed to be in its original packaging and has never been used before, ensuring optimal performance and longevity.

The Beckman Helipot San-4004 NOS (New Old Stock) precision potentiometer is a variable resistor commonly used in scientific and laboratory applications due to its high precision and linearity. Here is a list of pros and cons to help you make an informed decision about purchasing this potentiometer:

1. High Precision: The Beckman Helipot San-4004 NOS is designed to provide precise resistance measurement. Its 49.9k ohms resistance range with a tolerance of 5% makes it suitable for applications where high accuracy is required.

2. Stable and Linear: The potentiometer's wiper provides stable and consistent resistance in both rotation directions. Its low TCR (Temperature Coefficient of Resistance) ensures minimal resistance change with temperature variations.

3. Noise-Free: The Helipot San-4004 is known for its low noise level, making it an excellent choice for applications where signal clarity is crucial.

4. Long-Lasting: Being a NOS part, the potentiometer has been sitting in storage for an extended period, which can lead to lower wear and tear, providing a reliable and long-lasting solution.

5. Authentic Design: This potentiometer is a classic vintage component with a unique, timeless design, making it an attractive addition to older laboratory equipment or special DIY projects.

1. Limited Application: As a high-precision potentiometer, it might be overkill for less demanding applications. The high cost and specialized features make it a niche product.

2. Lower Output: Compared to modern audio or other general-purpose potentiometers, this precision potentiometer has a relatively low maximum power handling rating of 1 watt and a low maximum output voltage of 24V.

3. Bulkier Size: Due to the necessary internal construction for high precision, this potentiometer is larger and heavier than common consumer potentiometers.

4. Limited Availability: Being a NOS item, the Beckman Helipot San-4004 NOS may be challenging to find in extensive quantities, and the market demand for it can lead to a higher price point.

In conclusion, the Beckman Helipot San-4004 NOS is a well-built, high-precision potentiometer suitable for specific applications that demand a stable, accurate, and noise-free linear resistor. Despite its limited availability, higher cost, and bulkier design, its unique features and reliable performance make it an excellent investment for those seeking a high-quality vintage component.

If you're looking for a precision potentiometer with a high tolerance for your project, and are willing to put in the effort to seek one out, the Beckman Helipot San-4004 NOS is an excellent choice. For general-purpose potentiometer applications, there are more cost-effective and readily available alternatives with lower tolerances.

Details:

specifications passivecompos:

• brand: Beckman Helipot
• mpn: San-4004
• tolerance rating: 5
• resistance rating: 49.9k
• country/region of manufacture: United States

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• time: 30 days
• paid by: buyer
• method: money back
• policy: returns accepted

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• prices: $24.95–$79.00
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• started: january 28, 2025
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• category: Business & Industrial > Passive Components > Variable Resistors > Potentiometers

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