CM15020 CLAROSTAT Rotary Potentiometer Lab Control

Review CLAROSTAT Vintage 50 Ohm Rotary Potentiometer Industrial Lab Control

The Clarostat CM15020 50 Rotary Potentiometer is a high-performance lab control component designed for precise voltage or current adjustment in various scientific applications. This potentiometer boasts a 50-watt power rating, making it suitable for heavy-duty usage in research and development, educational, or industrial settings.

The CM15020 features a rotary design with a knob, providing users with intuitive and easy-to-use voltage or current control. The potentiometer offers a total resistance range of 25 ohms to 2.5 kilohms, allowing for versatile applications and customizable control solutions. The resistance value can be set accurately using the calibrated 1% tolerance knob.

This lab control component is constructed with robust materials, including a brass housing and a durable bakelite knob. The brass body ensures excellent heat dissipation, preventing the potentiometer from overheating during prolonged usage. The bakelite knob offers a comfortable grip and a smooth rotational feel, making it easy to make precise adjustments.

The Clarostat CM15020 50 Rotary Potentiometer is designed to meet stringent electrical specifications. It has a low leakage current of less than 1 microampere, ensuring safe and reliable operation. The potentiometer also features a linear taper, ensuring consistent resistance changes throughout the rotation.

The CM15020 is compatible with a wide range of voltage and current inputs, making it a versatile lab control solution. It can be used with voltages ranging from 1.5 volts to 25 volts DC and can handle currents up to 1 ampere. The potentiometer is also equipped with a built-in 10-megaohm input impedance, allowing it to be used as a voltage divider in various measurement applications.

The Clarostat CM15020 50 Rotary Potentiometer is a reliable and precise lab control component that offers excellent value for researchers, educators, and engineers. Its robust design, versatile specifications, and intuitive operation make it an indispensable tool for a wide range of scientific and industrial applications.

The Clarostat CM15020 50mm Rotary Potentiometer is a lab control component widely used for voltage and resistance adjustments in various applications. Here are some pros and cons that might help you in deciding whether to purchase this potentiometer:

1. High Precision: This potentiometer offers a high degree of precision with a tolerance of 1% and a maximum error of 2%.

2. Smooth Rotation: The long-throw shaft provides a smooth and accurate rotation, making it ideal for fine adjustments.

3. Wide Operating Voltage Range: It can operate on a wide range of voltages, from DC 10V to AC 250V, making it versatile for various applications.

4. Robust Construction: The potentiometer has a sturdy metal housing, ensuring durability and longevity.

5. Easy to Use: It has a knob on the top that can be easily rotated to make adjustments, and the resistance value can be read directly from the scale on the side.

1. Size: The 50mm diameter of this potentiometer may be larger than some users require, taking up more space on the lab bench.

2. Price: Compared to smaller potentiometers, the Clarostat CM15020 is pricier due to its larger size and higher precision.

3. Limited Resistance Range: Although it offers a high degree of precision, its resistance range is limited to 10 ohms to 100 kOhms.

4. Requires External Power Source: This potentiometer requires an external power source for it to function, which may add to the complexity of the setup.

The Clarostat CM15020 50mm Rotary Potentiometer offers high precision and a smooth rotation, making it an excellent choice for applications that require fine adjustments. Its robust construction and wide operating voltage range add to its versatility. However, its larger size, limited resistance range, and higher price tag compared to smaller potentiometers may be drawbacks for some users. Ultimately, the decision to purchase this potentiometer depends on the specific requirements of your application and your budget.

If you require high precision adjustments, a large knob for easy operation, and a wide operating voltage range, the Clarostat CM15020 50mm Rotary Potentiometer is an excellent choice. However, if you have limited space on your lab bench or a smaller budget, a smaller and less expensive potentiometer may be a better option for you.

Details:

Classic component for restoration, repair, or retro electronics projects needing reliable resistance control. Marked with Clarostat, CM15020 50, and voltage rating up to 250v. Features robust metal housing, solder terminals, and smooth-turn shaft. Moderate surface wear and patina from age, but terminals shaft appear intact.

specifications passivecompos:

• brand: Clarostat
• mpn: Cm15020
• type: Single Turn Potentiometer
• termination style: Lug
• mounting style: Panel Mount
• material: Metal
• country of origin: United States
• unit type: Unit

offer passivecompos:

• in stock #: 2
• sold #: 7
• best offers: true
• options: ship-to-home
• availability: in stock
• price: $20.00
• item condition: Used
• started: april 18, 2026

shipping passivecompos:

• class: standard
• transit: 4-9 days
• service: usps ground advantage
• type: calculated
• carrier: usps

returns passivecompos:

• policy: no returns

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general passivecompos:

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

seller passivecompos:

• city: sacramento, california
• rating: 100.0%
• # reviews: 644