

| Brand | SPECTROL |
|---|---|
| Manufacturer Part Number | 860-32 |
| Mounting Style | PANEL MOUNT |
| Type | LINEAR TAPER POTENTIOMETER |
| Resistance Rating | 30K |
| Number Of Turns | 10 |
The Spectrol 860-32 and 860-23 30k 10-turn potentiometers, manufactured by TEKTRONIX for their 535A Dual-Beavertail Oscilloscope, are high-precision adjusting components designed for critical applications requiring fine calibration and adjustment.
These potentiometers are characterized by their 30k ohms resistance value and 10-turn linear taper design, allowing for an extensive adjustment range. Making them suitable for fine-tuning various parameters on the 535A oscilloscope, such as vertical gain, timebase, and voltage scaling.
Constructed from high-quality materials, the Spectrol 860-32 and 860-23 potentiometers offer reliable and stable performance over an extensive temperature range. Each potentiometer has a length of approximately 6.7 inches (170mm), a width of 2.1 inches (53mm), and a height of 1.3 inches (33mm). The tapered shaft diameter is 1/4 inch (6.3mm) with a knob diameter of 1 inch (25mm), making them easily accessible and simple to adjust with a screwdriver or manual intervention.
The 10-turn design of the potentiometers ensures accurate and precise calibration with an approximately 30-degree rotation per full turn. This feature significantly enhances the versatility and capability of the 535A oscilloscope, allowing for more granular control and fine-tuning of various parameters.
Capable of maintaining a consistent resistance value over time and temperature, these potentiometers enable reliable and accurate measurement and calibration, ensuring optimal performance and functionality of the TEKTRONIX 535A oscilloscope. The construction of the Spectrol 860-32 and 860-23 potentiometers minimizes unwanted electrical noise, providing a clean voltage signal to the oscilloscope circuitry.
Summarizing, the Spectrol 860-32 and 860-23 30k 10-turn potentiometers from TEKTRONIX, specifically designed for use with the 535A oscilloscope, provide exceptional calibration accuracy, reliable performance, and extended adjustment range, making them a critical component of this classic oscilloscope model.
The Spectrol 860-32 and 860-23 30k 10-turn potentiometers by Tektronix are high-precision rotary controls that are often used in various measurement and test applications. Here are some pros and cons that can help you decide if purchasing these potentiometers is a good choice for your needs:
Pros:1. High Precision: These potentiometers offer a high degree of precision making them suitable for applications demanding accurate control. They have a linear taper and a low resistance, which helps minimize temperature coefficient effects.
2. Long Operating Life: With a 10-turn design, these potentiometers offer long travel for fine adjustments and provide stable, repeatable readings. The robust construction ensures a long service life.
3. Low Drift: Drift is the gradual change in output that occurs over time due to environmental conditions, such as temperature or aging. Both the 860-32 and 860-23 potentiometers have a low drift specification making them desirable for critical applications.
4. Wide Application Range: The 30k Ohm resistance value ensures a wide range of usable resistance, making these potentiometers suitable for diverse applications that require precise control or calibration.
Cons:1. Cost: Compared to standard potentiometers, the Spectrol 860-32 and 860-23 potentiometers come at a higher price point due to their superior precision and advanced features.
2. Size and Weight: At 150 mm long and 32mm in diameter, these potentiometers are relatively large and heavy compared to standard potentiometers. However, their size might not be a disadvantage depending on the application.
3. Manual Control: These potentiometers are manual controls, so you will need to physically rotate the knob to make adjustments. They may not be ideal for applications requiring frequent or automated adjustments.
Based on the given information, if you require a high-precision potentiometer with a large rotation angle for a single adjustment or calibration application where stability and repeatability are critical, the Spectrol 860-32 and 860-23 30k 10-turn potentiometers by Tektronix can be a solid choice. However, these potentiometers may not be the most cost-effective option for standard control applications or those that require frequent manual adjustments.
In conclusion, carefully consider your application requirements before deciding to purchase these potentiometers. Their high precision, long operating life, wide range of usable resistance, and low drift make them an excellent choice for critical control, calibration, or measurement applications. However, their larger size, weight, manual control, and higher cost compared to standard potentiometers are worth considering before making a final decision.
Pulled from a working scope.
