371-S48 GENERAL RADIO Lab Rheostat Resistor Box

Review GENERAL RADIO Vintage Lab Rheostat Variable Resistor Box And Hardware

Introducing the General Radio 371-S48 Lab Rheostat Resistor Box, a versatile and essential tool for any electronic lab or workshop. This rheostat resistor box is designed to provide precise resistance control for various electrical applications.

The 371-S48 is a 48-position box, which means it can accommodate up to 48 individual rheostats. Each rheostat is independently adjustable, allowing for fine-tuning of resistance values. The rheostats range from 0 to 10 ohms, making them suitable for a wide range of electrical experiments and projects.

The box is made of high-quality, heavy-duty materials to ensure durability and long-lasting performance. It features a clear, acrylic front panel, which allows for easy identification of each rheostat's current resistance value. The front panel also includes a rotary switch, which allows users to select the desired resistance value for each rheostat.

The 371-S48 Lab Rheostat Resistor Box comes with a power supply unit, which provides a stable voltage source to power the rheostats. The power supply unit features a switchable voltage range of 1.5 to 15 volts DC, allowing users to select the appropriate voltage for their specific application. The power supply unit also includes a current limiting feature to protect against overloading.

The box is designed with safety in mind, featuring a grounded metal housing and a fuse to protect against electrical overloads. It also includes a grounding post to ensure a safe working environment.

Overall, the General Radio 371-S48 Lab Rheostat Resistor Box is an indispensable tool for any electronic lab or workshop. Its precision resistance control, durability, and safety features make it an ideal choice for a wide range of electrical experiments and projects. Whether you're a hobbyist or a professional electronics engineer, this rheostat resistor box is sure to meet your needs.

A lab rheostat resistor box, such as the General Radio 371-S48, is an essential tool for scientists, engineers, and students who work with electrical circuits. This device allows for the precise adjustment of resistance in a circuit, making it an invaluable addition to any lab. In this response, we will discuss the pros and cons of buying a General Radio 371-S48 lab rheostat resistor box, and provide a concluding recommendation.

1. Precise Resistance Control: The General Radio 371-S48 offers precise resistance control, allowing users to fine-tune their electrical circuits with ease.

2. Durable Construction: This lab rheostat resistor box is built to last, with a heavy-duty metal case and sturdy knobs.

3. Versatile: It can be used in various applications, from basic electrical engineering courses to advanced research projects.

4. Safety Features: The device includes a current limiting resistor, which helps prevent damage to the resistor or the user.

5. Wide Resistance Range: The 371-S48 offers a resistance range of 0.1 ohms to 48 ohms, making it suitable for a wide range of applications.

1. Cost: Compared to some other lab equipment, the General Radio 371-S48 can be relatively expensive.

2. Size: This lab rheostat resistor box is larger than some other models on the market, which may make it less portable.

3. Limited Resistance Values: The resistance values are not continuously variable, so users may need to select the closest value to their desired resistance.

The General Radio 371-S48 lab rheostat resistor box offers a range of benefits for scientists, engineers, and students, including precise resistance control, durability, versatility, safety features, and a wide resistance range. However, it also comes with some drawbacks, such as a higher cost and larger size compared to some other models. Ultimately, the decision to purchase a 371-S48 lab rheostat resistor box depends on the specific needs of your lab or educational institution. If precise resistance control and durability are top priorities, and you have the budget for it, then the General Radio 371-S48 is an excellent investment. However, if you are working on a tight budget or have limited lab space, you may want to consider other options with similar capabilities but more affordable price points or smaller sizes.

Before making a purchase, I would recommend researching alternative lab rheostat resistor boxes that offer similar capabilities but may have different price points or sizes. Some potential alternatives include the BK Precision 2366A and the Tektronix 22021A. By comparing the features, benefits, and drawbacks of multiple options, you can make an informed decision that best fits your lab's specific needs and budget.

Details:

Includes exactly what is shown in the photos and nothing else. If you don't see it in the photos its not. If you see it in the photos its included. Will pack with care and ship fast.

specifications passivecompos:

• brand: General Radio
• mpn: 371-s48
• series: 371 Series
• type: Rotary Rheostat
• termination style: Screw
• packaging: Box
• country of origin: United States

returns passivecompos:

• policy: no returns

general passivecompos:

• category: Business & Industrial > Passive Components > Potentiometers Variable Resistors > Rheostats

offer passivecompos:

• options: ship-to-home
• availability: in stock
• best offers: true
• prices: $120.00–$145.00
• item condition: New
• in stock #: 2
• started: february 24, 2026
• sold #: 9

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• rating: 100.0%
• city: hadley, massachusetts
• # reviews: 6227

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