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BMCA Engineering · Sorvall RC-3C · RC-3C Plus · RC-3B

Modernize your Sorvall. Don’t replace it.

Extend the service life of your Sorvall RC-3C, RC-3C Plus and RC-3B centrifuges with SmartControl™ — BMCA’s engineered control-electronics modernization platform. New drive, new display, new controls, installed in one to three days with a one-year warranty.

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The standard we inherited
Every engineer learns from a master.
Ours was John of Centronics — the master of the kit, a pioneer in this field, and a mentor to BMCA’s founders.
John · Centronics Equipment
Mentor · Pioneer · Master of the kit

SmartControl™ carries his standard forward. Every conversion that leaves our bench is measured against the way he taught us to build one — engineered to last, documented to prove it, and finished as if he were going to inspect it himself.

Built for the Sorvall RC-3 family.

If your centrifuge is an RC-3C, an RC-3C Plus or an RC-3B, SmartControl™ was engineered for it. Same bowl, same rotors, same footprint — new electronics, new drive, new life.

Sorvall RC-3C Plus
Full conversion

The platform SmartControl™ was built on. Obsolete factory boards removed, engineered control system installed and calibrated.

Sorvall RC-3C
Full conversion

Same drive and control architecture as the Plus — the identical modernization applies, including RPM, temperature and timer control.

Sorvall RC-3B
Full conversion

The earlier generation of the same workhorse. Where factory parts no longer exist at all, SmartControl™ is often the only path back to service.

The RC-3C, RC-3C Plus and RC-3B: proven workhorses, held back by obsolete electronics

The Sorvall RC-3C Plus is one of the most dependable large-capacity centrifuges ever built — its motor, chamber, and drive run for decades. What fails isn’t the machine. It’s the control electronics: discontinued boards, unobtainable displays, and drive controllers the manufacturer no longer supports.

Modernize, don’t replace

SmartControl™ replaces the control system — not the centrifuge. We re-engineer and upgrade the electronics around the mechanics you already trust, so a discontinued board no longer means a discontinued instrument.

The updated SmartControl kit — panel, inverter drive, and control electronics bench-built and calibrated by BMCA
The updated SmartControl™ kit — panel, drive, and control electronics, bench-built and calibrated by BMCA

SmartControl™ display · calibrated by BMCA · Sorvall RC-3C Plus

From obsolete tangle to engineered clean

Real modernization work — Sorvall RC-3 family from our shop — the discontinued control electronics we design out, and the modernized, calibrated instrument we hand back.

SmartControl™ for a Sorvall RC-3C Plus — live spin-up test on the bench
Obsolete, discontinued Sorvall RC-3C Plus control electronics removed during modernization
Obsolete, discontinued Sorvall RC-3C Plus control electronics removed during modernization
The new SmartControl display — modern temperature, inverter drive, and timer readouts
The new SmartControl™ display — modern temperature, drive, and timer readouts
Modernized Sorvall RC-3C Plus with BMCA SmartControl installed and calibrated
Modernized Sorvall RC-3C Plus with BMCA SmartControl installed and calibrated
Obsolete Sorvall RC-3 factory control boards — discontinued, unsupported, out of the machine
Discontinued Sorvall RC-3 control electronics stripped during conversion

Engineered to keep your fleet running

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Eliminate obsolete parts

01 Discontinued boards and displays are designed out and replaced with supportable components.

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Increase reliability

02 Modern control electronics and clean wiring cut nuisance faults and unplanned downtime.

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Lower ownership costs

03 A fraction of the cost of new capital equipment, with predictable, supportable service.

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1–3 day installation

04 Most conversions are completed on-site in one to three days, minimizing lab disruption.

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Keep existing rotor & buckets

05 Your validated rotor, buckets, and adapters carry straight over. No re-tooling.

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One-year warranty

06 Every SmartControl™ conversion is backed by a full one-year parts-and-labor warranty.

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Engineered by BMCA

07 Designed, built, and validated in-house — not a salvaged parts swap.

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Long-term support

08 A committed supply of components and service for the life of the platform.

What every conversion includes

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Digital control interface

01 Modern HMI with clear readouts for speed, time, and temperature.

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Main electronics

02 Purpose-built control board replacing the discontinued original.

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Motor control

03 Precise drive regulation for stable, repeatable RPM.

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Wiring harness

04 Clean, labeled, service-friendly harness engineered to fit.

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Safety interlocks

05 Lid-lock and imbalance protection integrated and verified.

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Power distribution

06 Reworked power stage for safe, reliable operation.

Engineering solutions for legacy laboratory equipment

Manufacturers discontinue support. We engineer what comes next.

When an OEM sunsets a platform, thousands of mechanically sound instruments are stranded by a handful of unavailable parts. BMCA Engineering exists to close that gap — designing, building, and installing the electronics that give proven equipment a second service life.

Engineering · in-house

How we engineer a modernization

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Engineering & analysis

01 We reverse-engineer the original control architecture and define what the modern replacement must do.

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Circuit board development

02 Custom control boards are designed to interface cleanly with the instrument’s existing mechanics.

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Testing & validation

03 Every board and firmware build is bench-tested against speed, safety, and thermal requirements.

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CAD & prototypes

04 Enclosures, harnesses, and mounts are modeled and prototyped for a precise, repeatable fit.

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Manufacturing

05 Validated designs move into controlled production so every unit ships to the same standard.

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Field installation

06 Our technicians install and commission on-site — then verify performance before we leave.

Every engineer learns from a master. Ours was John of Centronics — the master of the kit, a pioneer in this field, and a mentor to BMCA’s founders. SmartControl™ carries his standard forward.

SmartControl™ Modernization System — RC-3C · RC-3C Plus · RC-3B

SmartControl™ panel — bench-built, wired, and powered before installation
SmartControl™ panel — bench-built, wired, and powered before installation
Drive motor and refrigeration serviced during the conversion
Drive motor and refrigeration serviced during the conversion
Live readouts — temperature, inverter drive, and process timer
Live readouts — temperature, inverter drive, and process timer
SmartControl™ installed — the modernized Sorvall RC-3C Plus back in service
SmartControl™ installed — the modernized RC-3C Plus back in service
Bench to installed — drag or watch

A complete, engineered control platform for the Sorvall RC-3C Plus — delivered and supported as a product, not a one-off repair.

Features

Compatibility

Benefits

Installation & warranty

Maintenance & compliance plans

Real modernization work

Discontinued control boards removed from a Sorvall RC-3C Plus
Discontinued control boards removed from a Sorvall RC-3C Plus
Sorvall RC-3C Plus opened for modernization service
Sorvall RC-3C Plus opened for modernization service
Modernized SmartControl display running and calibrated
Modernized SmartControl display running and calibrated
Original discontinued DuPont Sorvall control panel
Original discontinued DuPont Sorvall control panel
Centrifuge internals and condenser during modernization
Centrifuge internals and condenser during modernization

Legacy equipment modernization — common questions

Does SmartControl™ work on the RC-3C and RC-3B, or only the RC-3C Plus?
All three. The Sorvall RC-3C, RC-3C Plus and RC-3B share the same drive and control architecture, so the SmartControl conversion applies to each — including RPM control and display, temperature control, and process timing. Send us the model and serial number and we will confirm the exact configuration for your unit.
My Sorvall RC-3B is decades old. Is it worth modernizing?
Usually yes. The bowl, motor and mechanical structure of these machines routinely outlast their electronics by decades — it is the control boards that fail and can no longer be sourced. A conversion costs a fraction of a comparable new floor centrifuge, keeps your existing rotors and footprint, and returns the unit to calibrated service with a one-year warranty.
Do I keep my existing rotors and buckets?
Yes. SmartControl replaces the control electronics and drive system, not the bowl or the rotor set. Your existing Sorvall rotors, buckets and adapters continue to be used, and the converted unit is calibrated and verified with them in place.
Is SmartControl™ a repair or a product?
It’s a product. SmartControl™ is an engineered modernization system — designed, built, and validated by BMCA — that replaces the obsolete control electronics of the Sorvall RC-3C Plus. It’s supported as a platform, not a salvaged parts swap.
Do I have to replace my rotor or buckets?
No. SmartControl™ retains your existing validated rotor, buckets, and adapters. The mechanical platform stays; only the control electronics are modernized.
How long does installation take?
Most conversions are completed on-site in one to three days, depending on logistics and site access. We commission the instrument and verify performance before leaving, so your bench is back in service quickly.
What does the warranty cover?
Every SmartControl™ conversion carries a one-year parts-and-labor warranty, backed by BMCA’s long-term commitment to component supply and service for the platform.
Are maintenance plans included?
Yes. We put together a preventive-maintenance schedule tailored to how heavily the instrument is used — higher-volume labs are serviced more often — and aligned to the licensing and inspection standards your lab has to meet, such as CLIA, CAP, AHCA, and Joint Commission. Service and calibration records are kept inspection-ready throughout.
Will other centrifuge models be supported?
Yes. The Sorvall RC-3C Plus is the first SmartControl™ platform. Additional Sorvall, Beckman, Heraeus, and Thermo legacy centrifuge models are on the roadmap as BMCA Engineering expands the portfolio.

The first product in a growing portfolio

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SmartControl™ · RC-3C Plus

NOW Full control-electronics modernization for the Sorvall RC-3C Plus. 1–3 day install, one-year warranty.

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Additional legacy centrifuges

NEXT Expanded Sorvall coverage, plus Beckman and Heraeus legacy platforms in development.

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Beyond centrifuges

SOON Thermo legacy centrifuges and other lab-equipment modernization — a full BMCA Engineering product line.

See where your lab stands — free.

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