Product Overview
Beckman Helipot Model 54 10 kΩ Multi-Turn Rectangular Trimpot
Condition
Unused new old stock (NOS). Stamped markings legible: HELIPOT DIVISION OF BECKMAN INSTRUMENTS, INC. FULLERTON, CALIFORNIA on side casing, with faceplate marked MODEL 54, 10K Ω, RES TOL ± 10%, PRINTED IN U.S.A., and stamped MY 38. Solder lugs are clean with original gold-colored finish.
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Product Overview
Engineered for precision circuit calibration, Beckman Instruments Helipot Model 54 delivers stable set-and-forget resistance trimming in analog circuits and legacy instrumentation. Built with an enclosed metal housing, two chassis-mounting eyelets, and an end-accessible slotted lead-screw adjustment, this 10 kΩ component handles point-to-point wiring through three gold-toned solder loop terminals.
Key Features
- 10 kΩ nominal resistance with ±10% tolerance
- Rectangular metal housing with two through-body mounting eyelets
- Slotted lead-screw adjustment accessible from the component end panel
- Three solder loop terminals for secure point-to-point wiring
- Fullerton, California manufacture by the Helipot Division of Beckman Instruments
Applications
- Calibrating bias and offset voltages in vintage audio preamplifiers and analog synthesizers
- Setting reference points in test equipment, power supplies, and laboratory instruments
- Point-to-point restoration in classic industrial electronics requiring chassis-mount trimpots
- Breadboarding and maker bench testing where secure solder-loop connections prevent accidental lead detachment
Frequently Asked Questions
How is this trimming potentiometer mounted?
The metal case features two built-in through-hole eyelets spaced along the body for screw mounting directly to a panel, chassis, or bracket.
What style are the electrical terminals?
This unit has three gold-colored solder loop lugs extending from the bottom edge, designed for direct wire hooking and soldering rather than printed circuit board through-hole insertion.
How do I tell the Model 54 apart from printed circuit board trimpots of the same era?
The Model 54 uses dedicated solder eyelet lugs and through-body chassis mounting holes, whereas PCB-mount trimmers feature straight stiff wire pins designed to drop into circuit board pads.
Built when Beckman set the standard for Fullerton engineering and calibration meant a jeweler's screwdriver instead of a digital menu. Drop this into your build and dial in that exact sweet spot.
