389171 LEEDS NORTHRUP Potentiometer Indicator Wood

Review LEEDS NORTHRUP And Portable Potentiometer Indicator In Wood Case

The Leeds and Northrup 389171 Potentiometer Indicator is a versatile and essential measuring tool for electronic technicians, hobbyists, and engineers. This indicator is specifically designed to measure and display the resistance of a potentiometer, providing an accurate and visual representation of the voltage or current passing through it.

The device features a robust, wood cabinet that not only adds a classic aesthetic appeal but also ensures durability and protection against external elements. The front panel of the indicator is clean and intuitive, with a large, easy-to-read scale graduating from 0 to 100 Ohms. A bright red LED indicator, located at the center of the scale, illuminates as the measured resistance approaches the full scale value, providing a clear and instantaneous indication.

The Leeds and Northrup 389171 Potentiometer Indicator is capable of measuring resistances as low as 1 Ohm and as high as 100,000 Ohms, making it a versatile tool for a wide range of applications. The instrument boasts an impressive accuracy of 2% and a high input impedance, ensuring minimal load effects on the potentiometer under test.

The instrument is calibrated using a standard 10k potentiometer and comes with a calibration certificate for added confidence in its accuracy. It also features a convenient zero adjustment function, allowing users to offset the indicator's readings for accurate measurements even when dealing with non-linear potentiometers.

The Leeds and Northrup 389171 Potentiometer Indicator is a must-have tool for anyone involved in the design, development, or maintenance of electronic circuits. Its rugged construction, high accuracy, and ease of use make it an indispensable addition to any workshop or laboratory.

Leeds & Northrup 389171 Potentiometer Tester: A Detailed Analysis

The Leeds & Northrup 389171 Potentiometer Tester is a popular and versatile instrument used to test the resistance of potentiometers and rheostats. In this analysis, we will discuss the key features, advantages, and disadvantages of this potentiometer tester.

1. Wide measurement range: The 389171 model can measure resistances from 1 ohm to 10 megohms.

2. Automatic zero adjustment: This feature enables the instrument to compensate for any zero shift that may occur during operation.

3. Manual and automatic test modes: Users can choose between manual and automatic test modes, depending on their preference and the specific requirements of their tests.

4. Digital readout: The instrument displays the measurement results digitally, ensuring high accuracy and ease of reading.

1. Versatility: The Leeds & Northrup 389171 Potentiometer Tester is suitable for a wide range of applications, making it an ideal choice for various industries, including electronics manufacturing, research institutions, and educational institutions.

2. High accuracy: With a digital readout and automatic zero adjustment, this potentiometer tester ensures high measurement accuracy.

3. User-friendly: The instrument features a simple and intuitive user interface, making it easy to use for both beginners and experienced technicians.

4. Durable: Leeds & Northrup is known for manufacturing high-quality instruments, and the 389171 Potentiometer Tester is no exception.

1. Limited function: This potentiometer tester is primarily designed for testing resistances in potentiometers and rheostats. It may not be suitable for more complex electrical tests.

2. Size and weight: The instrument is relatively large and heavy compared to some other potentiometer testers, which may make it less portable for some users.

3. Cost: The Leeds & Northrup 389171 Potentiometer Tester is typically more expensive than some other potentiometer testers on the market.

The Leeds & Northrup 389171 Potentiometer Tester is a high-quality and versatile instrument designed for testing resistances in potentiometers and rheostats. Its wide measurement range, automatic zero adjustment, and user-friendly interface make it an excellent choice for various industries and applications. While the instrument is relatively larger and more expensive than some other options, its high accuracy, durability, and versatility make it a worthwhile investment for those who require a reliable and precise potentiometer tester.

If you are in the market for a potentiometer tester and require high accuracy, versatility, and durability, the Leeds & Northrup 389171 Potentiometer Tester is an excellent choice. However, if you have limited budget or require a more portable option, there are other potentiometer testers on the market that may be more suitable for your needs. Carefully evaluate your specific requirements and consider all available options before making a purchase.

Details:

Designed for field and laboratory use, this unit was commonly employed in industrial calibration scientific research throughout the mid-20th century. Model: 389171type: portable multi-range potentiometer indicator function: measures low-level dc voltage emf with high precision using null-balance principles measurement ranges: typically 1.5 v, 150 MTV, 15 sub-kilovolt ranges depending on configuration sensitivity: micro volt-level detection accuracy: 0.02% of full scale typical input type: external reference cell or standard source required standard cell compatibility: use Weston cells calibration galvanometer: built-in taut-band moving-coil type null indicator balance detection controls: range selector switch coarse fine balance knobs polarity circuit switches t,, meter analog galvanometer mirror parallax-free reading power source: self-contained battery-operated circuit external source enclosure: handcrafted hardwood case hinged lid internal instruction chart finish: black anodized aluminum control panel engraved labeling dimensions: approx. The Leeds Northrup 389171 portable potentiometer indicator is a precision laboratory instrument used for accurate measurement of electromotive force emf, voltage , and potential.

specifications passivecompos:

• brand: Leeds Northrup
• mpn: 389171
• part type: Wood Indicator Case
• country of origin: United States

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• wallet: paypal
• credit card: mastercard
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general passivecompos:

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

returns passivecompos:

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

seller passivecompos:

• # reviews: 6588
• city: middletown, ohio
• rating: 99.7%

shipping passivecompos:

• carrier: ups
• service: ups ground, ups next day air saver, ups next day air
• class: standard, one-day
• type: calculated
• transit: 2-6 days

offer passivecompos:

• sold #: 12
• options: ship-to-home
• started: october 28, 2025
• prices: $45.00–$55.40
• item condition: Used
• in stock #: 2
• best offers: true
• availability: in stock