Surge Scientific · SK410 · 3D Rocker Analog
3D Rocker — Analog · 0°–8° Adjustable Tilt · 0–100 RPM · Continuous Operation
3D Undulating Nutating Motion · Adjustable Tilt & Speed · Gel Staining · Western Blotting · Hybridization · Cell Culture · Incubator & Cold Room Compatible
Not every rocking application needs a timer, a display, or a circuit board to fail in a cold room. The SK410 is the pure mechanical version — a 3D nutating rocker with a single knob for speed, a manual tilt adjustment from 0° to 8°, a 0–100 RPM range covering everything from the gentlest antibody incubation to vigorous hybridization tumbling, and no digital components to introduce drift, calibration requirements, or cold-temperature unreliability.
Why Analog Is the Right Choice for Some Labs and Some Applications
Digital 3D rockers are the right tool when timer precision and unattended operation are the priority. But the digital architecture introduces trade-offs that matter in specific contexts: display backlights that fog and fail in high-humidity incubators, microcontrollers that behave unpredictably at 4°C in a cold room, and calibration drift in speed-control circuits that means the "70 RPM" setting gradually stops being 70 RPM without visible indication. For shared equipment rooms, teaching labs, and cold-room installations where the priority is maximum operational uptime and zero electronics failures, analog mechanical control eliminates the failure modes entirely.
The SK410 delivers the same 3D nutating motion — the corner-tipping undulating wave that moves reagent to every point of the vessel interior on each cycle — with a single robust dial that sets speed anywhere from barely perceptible motion to 100 RPM. The tilt angle is adjusted manually by hand. The brushless DC motor provides the maintenance-free longevity of modern motor technology without the control electronics overhead. The result is an instrument that continues operating reliably in environments — cold rooms, high-humidity incubators, shared benches — where digital instruments accumulate service calls.
Analog or Digital — Choosing the Right SK410 Configuration
SK410 — Analog
Single-knob speed control. Manual tilt adjustment. Continuous operation only. No display, no timer, no electronics to fail. Ideal for cold rooms, high-humidity incubators, shared equipment, teaching labs, and any protocol run on a fixed schedule where timer automation adds no value.
RKR200102 — Digital
Dual LED displays. 0–99h59min programmable timer with alarm. Microcomputer speed control. For unattended overnight protocols, time-critical incubations, and workflows where automatic alarm confirmation at run completion is required.
0°–8° Adjustable Tilt — Tune the Wave to Your Protocol
0°
Flat minimal agitation
2°
Gentle culture mixing
4°
Gel staining & destaining
6°
Blot washing & blocking
8°
IP · Hybridisation
0°–8° Adjustable Tilt — Full Protocol Range
Manual tilt adjustment by hand from flat to 8° — set once per protocol, reliable for the duration of every run. The adjustable angle means one instrument covers the entire spectrum: near-flat gentle culture agitation at 2°, standard blot washing at 6°, and full 8° immunoprecipitation tumble — without different instruments for each application tier.
0–100 RPM — The Widest Speed Range in the Line
The analog SK410 covers 0–100 RPM — a wider range than the digital RKR200102's 10–70 RPM — because a single analog knob can sweep from barely-on to full speed without the discrete step constraints of digital control. Slow speeds below 10 RPM are accessible for ultra-gentle mixing of delicate cell cultures and fragile samples that digital minimum-speed floors exclude.
True 3D Nutating Motion — Corner-Tipping Wave
The SK410 produces the same 3D undulating corner-tipping wave that the RKR200102 digital version delivers — reagent reaches every point of the vessel interior on every cycle, eliminating dry membrane corners, dead zones in gel trays, and the localised over-staining that single-axis rocking produces in flat-bottomed vessels.
Zero Electronics — Cold Room & Incubator Proof
No display. No microcontroller. No calibration drift. The brushless DC motor and analog speed control operate reliably from cold room temperatures up through 40°C incubator environments — the full range — without the display failures, control board glitches, and moisture-induced faults that are the primary service call drivers on digital rockers in humid environments.
Wider speed range than the digital version — 0 to 100 RPM, accessible at any point on a single knob. The analog control architecture reaches speeds below 10 RPM that digital rockers can't access without workarounds, making the SK410 the better choice for ultra-gentle mixing of fragile samples, delicate cell culture incubations, and any protocol where the lower speed limit of a digital minimum setpoint is too fast.
Key Features
- True 3D undulating nutating motion — corner-tipping wave
- Tilt angle: 0°–8° — manually adjustable by hand
- Speed range: 0–100 RPM — single analog knob control
- Continuous operation — no timer, no auto-stop
- Maximum load capacity: 2 kg (with platform)
- Anti-slip rubber mat holds vessels securely at all speeds
- No digital display — no backlight failure, no calibration drift
- No microcontroller — no cold-temperature electronics failures
- No timer circuit — no humidity-related PCB faults
- Brushless DC motor — maintenance-free, long service life
- Single knob speed control — instant, intuitive adjustment
- Wider speed range than digital version (0 vs 10 RPM minimum)
- Cold room compatible — full spec range from 5°C
- Incubator compatible — standard laboratory incubator
- Low profile — fits under incubator shelves without rearranging
- Protection class: IP42 (DIN EN 60529)
- Wide choice of optional platforms for all labware formats
- Universal voltage: AC 100–240 V, 50/60 Hz
- 2-year all-inclusive manufacturer's warranty
0–100
RPM Range
Wider than digital — reaches below 10 RPM for ultra-gentle protocols
0°–8°
Tilt Range
Gentle culture to full hybridisation tumble — one manual adjustment
IP42
Protection Rating
Splash and moisture resistant — reliable in incubators, cold rooms, wet labs
Ideal Applications
Gel Staining & Western Blotting
At 4°–6° tilt and 20–50 RPM, the undulating wave provides uniform Coomassie or silver stain coverage across polyacrylamide gels and consistent wash kinetics across Western blot membranes. The continuous-run analog format is ideal for gel staining protocols that run for hours at a defined speed set at the start of the day.
Cold Room & Incubator Protocols
At 4°C in a cold room or 37°C–65°C in a hybridisation oven, the SK410's analog architecture continues operating without the display failures, microcontroller cold-start errors, and moisture-related PCB faults that accumulate service calls on digital rockers in temperature-controlled environments.
Teaching Labs & Shared Equipment
In shared equipment environments where instruments experience variable operator handling and need maximum operational uptime, the absence of programmable electronics eliminates the primary failure modes. A single knob offers zero learning curve for new users — plug in, dial speed, set tilt, run.
What's in the Box
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SK410 (RKR200101) |
| Shaking Motion | 3D undulating nutating — corner-tipping wave |
| Control Type | Analog — single knob speed control |
| Tilt Angle | 0°–8° adjustable (manual) |
| Speed Range | 0–100 RPM |
| Operation Mode | Continuous only (no timer) |
| Maximum Load Capacity | 2 kg (with platform) |
| Display | None — analog control |
| Timer | None — continuous operation |
| Platform | Anti-slip rubber mat platform (included) |
| Motor Type | Brushless DC — maintenance-free |
| Incubator Compatible | Yes — standard laboratory incubator and cold room |
| Input Power | AC 100–240 V, 50/60 Hz |
| Permissible Ambient Temp. | 5–40°C |
| Permissible Humidity | ≤80% RH |
| Protection Class | IP42 (DIN EN 60529) |
| Certifications | CE |
| Warranty | 2-year all-inclusive manufacturer's warranty |
Surge Scientific Warranty & Support
This instrument is sold through Surge Scientific, your trusted laboratory equipment partner. Our product specialists are available Monday–Friday for assistance. SK410 is backed by a 2-year all-inclusive manufacturer's warranty. Contact us at info@surgescientific.com or reach out directly to our support team at 855.943.3344 for pre-sales questions, quotes, and technical assistance.