Product Overview
Leeds & Northrup 7556 Guarded Potentiometer - Legacy Precision Instrument
Product Condition
Used, clean, and in good shape from cursory inspection. Buttons and knobs operate smoothly. Full calibration and functionality have not been tested.
Product Overview
The Leeds & Northrup Model 7556 Guarded Potentiometer is a legacy precision measurement instrument designed for electrical metrology and calibration work. Its guarded design reduces leakage and interference, enabling accurate resistance and voltage comparisons.
Key Features
- Model: 7556 Guarded Potentiometer
- High-accuracy precision measurement device
- Guarded circuitry minimizes leakage effects
- Manual controls with analog dial settings
- Durable laboratory-grade construction
Applications
- Calibration and metrology laboratories
- Precision resistance and EMF comparisons
- Electrical standards research
- Legacy instrumentation for restoration or reference
Frequently Asked Questions
Who is Obtainium Science and Surplus?
We're a lean crew that finds real scientific and industrial gear. Parts with history. Tools that still work. Customers are engineers, makers, labs, and shops that build for a living.
How fast is shipping?
Same day or next day on most orders. Email confirmation and tracking. Secure packaging.
What’s included?
One Leeds & Northrup 7556 Guarded Potentiometer. No manuals, test leads, or accessories included.
Can I get more info before buying?
Yes - Ask away! We’ll get back to you with a straight answer—no runaround.
What does "Used, clean, and in good shape" mean?
The potentiometer shows normal cosmetic wear, knobs and buttons function, but full calibration testing was not performed. Offered as a legacy precision instrument.
