The BT1011 is the Orbi-Shaker XL — the largest-platform orbital shaker in the Benchmark Scientific BT family, sold at $3,875. NEW PRODUCT FAMILY introduction: BT series = orbital shakers (vs the BR family's 2D rocker tilt motion and the B3D family's 3D nutating motion). Orbital motion = circular horizontal motion — the platform moves in a tight circle in the horizontal plane, swirling liquid uniformly across vessel surfaces. Right pick for shake-flask cell culture, bacterial/fungal culture, multi-flask suspension cultures, and other workflows where orbital agitation provides better aeration / liquid coverage than rocker or nutating motion.
Author confidence note (MEDIUM): No specific BT1011 brochure in available corpus. Specs sourced from universe label. Confirm exact orbital throw (typical 1.5-3.0 cm orbital diameter), RPM range, motor specifications, touch-screen UI feature set, and load capacity with Benchmark Scientific technical support at first procurement.
Voltage options: This unit can be ordered with European voltage requirements (230V/50Hz). Contact us to order.
Key Specifications
| SKU | BT1011 |
| Type | Premium orbital shaker, XL platform with touch-screen UI |
| Platform dimensions | 18" × 18" (XL — largest in BT family) |
| Mat type | Rubber mat (non-slip surface for vessel securing during orbital motion) |
| UI | Touch Screen Display |
| Motion type | Orbital (horizontal circular motion) |
| Voltage | 115 V or 230 V, 50–60 Hz (discrete variants) |
| Sister BT family chasses | BT3001 (Orbi-Shaker standard, 13×12", $1,949), BT30 (Orbi-Blotter, 14×12", $1,040), BT1502 (Orbi-Shaker MP microplate, $1,221) |
| List price | $3,875 |
Why an Orbital Shaker — Distinct Motion Technology
The Benchmark Scientific catalog now has three distinct shaker / rocker motion technologies:
| Family | Motion | Best for | Mat type |
| BT (Orbi-Shaker / Orbi-Blotter, this family) | Orbital (horizontal circular) | Shake-flask culture, bacterial / fungal culture, multi-flask agitation | Rubber non-slip / clamp platforms |
| BR (2D platform rockers) | 2D single-axis tilt ("see-saw") | Membrane / blot processing, gentle tray workflows | Flat / dimpled mat |
| B3D (3D rockers / nutating shakers) | 3D multi-axis tilt OR 3D nutating | Tray / membrane (rocker) or tube content mixing (nutating) | Flat / dimpled mat |
Orbital motion delivers a distinctly different agitation pattern than rockers / nutating shakers:
- Cell culture aeration — orbital swirling moves liquid across vessel headspace, enhancing oxygen exchange (critical for aerobic microbial / cell culture)
- Shake-flask culture workflows — the canonical microbial / cell culture format runs on orbital shakers
- Multi-flask simultaneous agitation — large platforms accommodate many flasks at once
- Vessel-surface coverage — circular motion sweeps liquid uniformly across vessel walls
Pick the Orbi-Shaker XL (BT1011) for production-scale cell, microbial, or fungal culture at the largest practical bench-shaker platform, multi-flask shake-flask facility procurement (the 18×18" platform supports many flasks), workflows where a touch-screen UI is preferred, pharmaceutical / biotech bench standardization at premium tier, and multi-investigator shared facilities consolidating shake-flask workflows onto a premium chassis.
Step down to BT3001 standard Orbi-Shaker (13×12", $1,949) for mid-platform orbital workflows.
Step down to BT30 Orbi-Blotter (14×12", $1,040) for membrane / blot workflows specifically (Orbi-Blotter is optimized for blot processing in the BT product line).
Step down to BT1502 Orbi-Shaker MP (microplate, $1,221) for microplate-format orbital agitation workflows.
BT Family Overview
| SKU | Variant | Platform | Best for | List price |
| BT1011 / -E (this product) | Orbi-Shaker XL Touch Screen | 18×18" XL | Production-scale shake-flask culture | $3,875 |
| BT3001 | Orbi-Shaker Touch Screen | 13×12" standard | Mid-platform orbital workflows | $1,949 |
| BT30 | Orbi-Blotter | 14×12" | Membrane / blot processing | $1,040 |
| BT1502 / -E | Orbi-Shaker MP | 4-position microplate | Microplate-format agitation | $1,221 |
Application Profile
Production-scale shake-flask cell culture — bacterial / fungal / mammalian cell culture in flask format at facility scale.
Multi-flask bacterial / fungal culture — many flasks simultaneously on the XL platform.
Pharmaceutical / biotech research bench standardization — premium-tier shake-flask procurement at facility scale.
Multi-investigator shared facility throughput — consolidating multiple investigators' shake-flask workflows onto one premium chassis.
Method-development workflows at production scale — protocol-development with multiple parallel cultures.
Suspension culture workflows — keeping cells in suspension during long-cycle culture.
Aerobic culture workflows — orbital aeration supports oxygen-demanding cultures.
Educational laboratory teaching at scale — graduate / postdoc programs with multi-investigator shake-flask access.
Frequently Asked Questions
What platform size does the BT1011 have? 18" × 18" — the XL platform, the largest in the Benchmark Scientific BT family.
How does orbital motion differ from rocker or nutating motion? Orbital motion is a horizontal circular motion that swirls liquid uniformly across vessel surfaces, enhancing aeration for shake-flask culture. Rockers use a single-axis tilt, while nutating shakers combine orbital and tilt motion for tube-content mixing.
What workflows is the BT1011 best for? Production-scale shake-flask cell, microbial, and fungal culture, and multi-flask simultaneous agitation on the large 18×18" platform.
When should I step down to a smaller BT model? Step to the BT3001 standard Orbi-Shaker (13×12", $1,949), the BT30 Orbi-Blotter for membrane / blot work (14×12", $1,040), or the BT1502 Orbi-Shaker MP for microplate-format agitation ($1,221).
Ordering & Configuration
Confirm orbital throw / RPM range. Different orbital workflows need different orbital diameters and RPM ranges — confirm specs with Benchmark Scientific tech support.
Confirm voltage and plug type. 115 V / 230 V chassis.
Pair with vessel-clamping accessories — orbital motion requires firm vessel securing; flask clamps / clamp platforms support vessel mounting.
Confirm bench / floor space. 18×18" platform has substantial footprint — confirm available facility space at order.
Confirm at quote: voltage and plug type, intended shake-flask workflow context, orbital throw / RPM specs, vessel-clamping accessories, bench-space, training, and lead time.
Warranty: Per Benchmark Scientific standard capital-equipment terms — confirm at quote.
Benchmark Scientific shaker / rocker motion technologies — pick the right family:
- BT family (Orbi-Shaker / Orbi-Blotter, this family) — Orbital motion — shake-flask culture / multi-flask agitation
- BR family (2D platform rockers) — Single-axis tilt — membrane / blot processing
- B3D family (3D rockers / nutating shakers) — Multi-axis tilt or nutating — tray / membrane (rocker) or tube mixing (nutating)
Pick the BT1011 Orbi-Shaker XL for production-scale shake-flask workflows at the largest BT platform; sister BT chasses cover smaller platforms and specialized formats (Blotter, microplate). Cross-family BR / B3D cover non-orbital motion technologies.
