Surge Scientific · SK308 · LED Digital 3D Shaker
LED Digital 3D Shaker — 9° Tilt · 10–70 RPM · 10 kg · SK308-2-10 Platform Included
3D Undulating Motion · Gel Staining & Destaining · Western Blot Washing · Hybridization · Cell Culture Bags · Incubator Compatible
Three-dimensional undulating motion is the preferred agitation method for molecular biology workflows where uniform reagent coverage matters more than speed — blot washes, gel staining, hybridization incubations, and single-use cell culture bags. The SK308 delivers that motion at 9° tilt, carries 10 kg with the included SK308-2-10 dish platform, and gives you the real-time LED readout and 99-hour timer that transform manual, time-critical protocols into unattended, alarm-confirmed runs.
Why 3D Undulating Motion Is the Right Choice for Molecular Biology
Orbital and linear shakers move reagents efficiently in one plane — but that plane-constrained motion creates dead zones in corner-positioned vessels and can fail to fully cover membrane surfaces in blotting trays. Three-dimensional undulating motion — the corner-tipping nutating action the SK308 uses — continuously shifts the liquid surface angle, ensuring that buffer, antibody solution, or staining reagent reaches every point of the vessel interior without pooling, without dry spots, and without the over-agitation that washes signal from sensitive blots.
The SK308's 9° fixed tilt angle is calibrated specifically for this application category: gentle enough to prevent foaming in cell culture bag headspaces and avoid splashing in open gel trays, consistent enough to maintain the continuous wave motion that keeps hybridization probes evenly distributed across slide or membrane surfaces. The LED display under tempered glass shows speed and time simultaneously — and the 99-hour timer with automatic alarm means a 12-hour overnight antibody incubation completes without an alarm clock on the bench.
Understanding 3D Undulating Motion
The SK308 Motion
The platform tilts and rotates through a 3D wave — a continuous, corner-to-corner undulation that shifts the liquid surface angle through 360° over each cycle. Every point of the vessel interior is reached on every pass.
Ideal For
Western blot washes · Gel staining & destaining · Antibody incubations · Molecular hybridization · Cell culture bag mixing · Immune precipitation · Low-foam general agitation
9° Fixed Tilt — Optimised for Blotting & Culture
The 9° tilt angle is the established sweet spot for molecular biology rocking applications — enough angle to generate the undulating wave that covers membrane and gel surfaces uniformly, controlled enough to prevent foaming in cell culture bags and splashing in open trays at any speed in the 10–70 RPM range.
10 kg Load Capacity — Full Protocol Throughput
Maximum load of 10 kg with the platform supports a full blotting cassette stack, multiple gel trays loaded simultaneously, or a large single-use cell culture bag — without load-induced speed variation. Overload and overspeed detection monitors the motor state continuously and shuts down safely rather than running through an overloaded configuration.
LED Display Under Tempered Glass — Simultaneous Readout
The LED display shows actual running speed and timer simultaneously — confirming correct operation in real time. Housed under tempered glass, the display withstands the condensation and reagent exposure that come with incubator use and routine lab operation, protecting visibility and the electronics behind it.
Incubator Compatible — Temperature-Controlled Rocking
Compact footprint and universal voltage allow the SK308 to operate inside any standard laboratory incubator, converting a heated or cooled environment into a full temperature-controlled rocking platform. Paired with a cold room, it handles 4°C antibody incubations without a dedicated refrigerated rocker.
99-hour timer with automatic alarm — set it and leave. The SK308's built-in 99-hour timer covers protocols from a 30-minute gel destain to a 72-hour hybridisation run. The automatic alarm confirms completion without requiring an operator present — eliminating over-incubation from protocols that run beyond working hours.
Key Features
- 3D undulating shaking motion — corner-tipping nutating action
- Fixed tilt angle: 9°
- Speed range: 10–70 RPM — continuously adjustable
- Maximum load capacity: 10 kg (with platform)
- Platform size: 317 × 317 mm (SK308-2-10 dish platform)
- SK308-2-10 dish platform with non-slip mat — included
- 6 × fixing strings included with platform
- Anti-slip rubber mat holds vessels securely at all speeds
- Timer range: 0–99 hours 59 minutes / continuous
- Automatic alarm at timer completion — unsupervised operation
- LED display under tempered glass — speed and time simultaneous
- Real-time running speed displayed — confirms correct operation
- Dial controls — speed and timer, intuitive and familiar
- Microcomputer digital speed control — stable, splash-free motion
- Brushless DC motor — maintenance-free, long service life
- Overload detection and protection
- Overspeed detection and protection
- Incubator compatible — standard incubator and cold room
- 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
9°
Tilt Angle
Calibrated for blotting and culture — wave without foam, coverage without splash
10 kg
Max Load
Full blotting cassette stack or large cell culture bag — no speed variation under load
99 h
Max Timer
Cover every protocol from a 30-min gel destain to a 72-hour hybridisation run
Ideal Applications
Western Blotting & Immunoassay
Blocking, primary and secondary antibody incubations, and wash steps on PVDF and nitrocellulose membranes. The 3D wave ensures uniform reagent coverage across the entire membrane surface, eliminating the uneven staining that flat-rocking produces at blot corners.
Gel Staining, Destaining & Hybridisation
Coomassie and silver staining of polyacrylamide gels, ethidium bromide destaining, Southern and Northern blot hybridisation, and in situ hybridisation protocols — all applications where continuous low-foam agitation is critical to result quality.
Cell Culture & Bioprocessing
Single-use wave bag cell culture, suspension culture mixing, and adherent cell washing protocols. The 3D nutating motion provides the gas-headspace exchange that wave-type bags require for proper aeration without the foaming that flat-orbital motion generates.
What's in the Box
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SK308 |
| Shaking Motion | 3D undulating — corner-tipping nutating motion |
| Tilt Angle | 9° (fixed) |
| Speed Range | 10–70 RPM |
| Maximum Load Capacity | 10 kg (with platform) |
| Included Platform | SK308-2-10 dish platform — 317 × 317 mm |
| Platform Accessories | Non-slip rubber mat + 6 × fixing strings (included) |
| Timer Range | 0–99 hours 59 minutes / Continuous |
| Timer Alarm | Automatic alarm at run completion |
| Display | LED under tempered glass — simultaneous speed and time readout |
| Speed Control | Digital microcomputer — real-time speed display |
| Motor Type | Brushless DC — maintenance-free |
| Safety Devices | Overload detection · Overspeed detection · Automatic shutdown |
| Incubator Compatible | Yes — standard laboratory incubator and cold room |
| Input Power | AC 100–240 V, 50/60 Hz |
| Power Consumption | 35 W |
| Permissible Ambient Temp. | 5–40°C |
| Permissible Humidity | ≤80% RH |
| Protection Class | IP21 (DIN EN 60529) |
| Dimensions (W × D × H) | 452 × 407 × 220 mm |
| Weight | 12 kg |
| 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. SK308 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.