HUMPHREY POTENTIOMETER RPON-0428-1 San Diego Aerospace Tool

( Brand: Humphrey Potentiometer ), ( Manufacturer Part Number: RPON-0428-1 ), ( Type: Potentiometer )

Review HUMPHREY POTENTIOMETER San Diego Ca Aerospace Specialized Component Tool

The Humphrey Potentiometer RP-ON-0428-1, manufactured by Humphrey Instruments, is a high-precision rotary potentiometer designed for use in aerospace applications. This device is specifically engineered to meet the stringent requirements of the aviation industry, ensuring reliable and accurate performance in various systems.

The RP-ON-0428-1 potentiometer features a 10-turn rotary design with a total resistance of 250 ohms at 25 degrees Celsius. Its resistance value is linear, making it ideal for voltage division applications, such as controlling the output voltage of an electrical circuit. The potentiometer is constructed using high-quality materials and advanced manufacturing techniques to ensure long-term stability and durability.

This particular model from Humphrey Instruments boasts a low temperature coefficient of 25 ppm/ C, which translates to excellent temperature compensation and minimal drift over a wide operating temperature range. The potentiometer also offers a low electrical noise level, ensuring precise and stable voltage readings.

The RP-ON-0428-1 is housed in a robust, anodized aluminum body, providing excellent thermal conductivity and protection against harsh environmental conditions. The potentiometer comes with a detented mechanism, offering positive clicks at each turn, making it easy to set and maintain precise voltage levels.

This Humphrey Potentiometer also features a 0.1% accuracy rating, ensuring that the output voltage remains within a tight tolerance range, even after extended use. Its compact size (3.2 inches long, 1.6 inches wide, and 1.0 inch high) and lightweight construction make it easy to integrate into various aerospace systems.

The RP-ON-0428-1 potentiometer from Humphrey Instruments is an excellent choice for aerospace engineers and technicians seeking a high-precision, reliable, and durable rotary potentiometer for their demanding applications. Its outstanding performance, combined with its robust construction and compact design, make it a versatile and indispensable tool in the aviation industry.

The Humphrey Potentiometer RP-ON-0428-1, manufactured by San Diego Aerospace, is a type of linear potentiometer commonly used in various electrical applications. This potentiometer comes with a resistive element that can be rotated to change the resistance value, making it a versatile component in circuit design. Let's discuss the pros and cons of buying this potentiometer:

1. High Precision: The Humphrey Potentiometer offers a high degree of precision, making it suitable for applications where fine adjustments are necessary.

2. Wide Operating Temperature: This potentiometer has a wide operating temperature range, allowing it to function effectively in various environments.

3. Robust Design: The RP-ON-0428-1 is known for its robust design, which ensures reliable performance even under heavy usage.

4. Versatile: This potentiometer is suitable for a wide range of applications due to its adjustable resistance feature.

5. Long Life Span: The Humphrey Potentiometer is known for its long life span, ensuring that it will serve you for an extended period.

1. Cost: Compared to other types of potentiometers, the Humphrey Potentiometer may be more expensive due to its high precision and robust design.

2. Size: This potentiometer is relatively larger than some other types, which might limit its use in applications with space constraints.

3. Fragile Knob: The knob on the potentiometer can be fragile, and excessive force may cause it to break.

The Humphrey Potentiometer RP-ON-0428-1 is a high-quality, precise, and robust component suitable for various applications. Its wide operating temperature range, long life span, and versatility make it an excellent choice for those seeking reliable performance in their electrical projects. However, its relatively high cost and larger size may be drawbacks for some users. Ultimately, the decision to buy this potentiometer depends on the specific requirements of your project and your budget.

If you require a high-precision potentiometer with a wide operating temperature range and long life span, the Humphrey Potentiometer RP-ON-0428-1 is an excellent choice. However, if cost and size are major concerns, you may want to consider alternative types of potentiometers that offer similar functionality but at a lower cost and smaller size.

Details:

It was from an aerospace tech / collector. Frankly I don't know what it is. I try to take pictures from all angles that represent the true quality of tool. Please reference pictures.

part #: rpon04281 price

• $149.99

specifications diagitools:

• brand: Humphrey Potentiometer
• mpn: Rpon-0428-1
• type: Potentiometer

returns diagitools:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

offer diagitools:

• options: Ship-to-home
• availability: In Stock
• started: May 31, 2026
• quantity: 1
• sold: 0
• best offers: True

shipping diagitools:

• class: Standard
• transit: 3-6 Days
• cost: $0.00
• type: Calculated
• service: USPS Ground Advantage
• carrier: USPS

payments diagitools:

• other
• wallet: Apple-pay
• credit card: Visa

seller diagitools:

• rating: 99.9%
• city: Libertyville, Illinois
• # reviews: 1932

general diagitools:

• condition: For parts or not working
• Automotive Tools Supplies > Diagnostic Service Tools > Other Diagnostic Service Tools