Rainin BenchSmart™ 96 Semi-Automated Liquid Handling Workstation
| Brand | Rainin |
|---|---|
| Origin | Switzerland |
| Model | BenchSmart™ 96 |
| Pipetting Range | 0.5–1000 µL |
| Compatible Tip Types | 0.5–20 µL, 20–200 µL, 100–1000 µL |
| Control Interface | Integrated Touchscreen |
| Pipetting Modes | Basic, Advanced, Dilution, Continuous Dispensing, Reverse Pipetting, Sequential Volume, Mixing, Cycle Counting |
| Tip Exchange | Triple Interchangeable Pipetting Heads |
| Footprint Optimization | Quad-Reservoir Layout Support |
| Compliance | Designed for GLP/GMP-aligned workflows |
| Software | Onboard protocol editor with audit trail capability (21 CFR Part 11 ready) |
Overview
The Rainin BenchSmart™ 96 is a semi-automated liquid handling workstation engineered for precision, repeatability, and workflow adaptability in mid-throughput laboratory environments. Based on positive-displacement pipetting principles with air-assisted piston-driven actuation, it delivers calibrated volumetric accuracy across three interchangeable pipetting heads—each optimized for distinct volume ranges (0.5–20 µL, 20–200 µL, and 100–1000 µL). Unlike fully robotic platforms, the BenchSmart™ 96 bridges manual dexterity and automation rigor: users retain direct control over timing, positioning, and decision points while offloading repetitive mechanical actions—such as tip loading/ejection, aspiration/dispense sequencing, and multi-step reagent transfers—to deterministic onboard logic. Its architecture supports both single-use and reusable tip configurations, and its open-deck design accommodates standard SBS-format microplates (96-well and 384-well), tube racks, reservoirs, and custom labware without mechanical adaptation.
Key Features
- Triple modular pipetting head system enabling rapid, tool-free switching between low-, medium-, and high-volume ranges—minimizing cross-contamination risk and eliminating recalibration downtime.
- Integrated 7-inch capacitive touchscreen interface with gesture-responsive navigation, real-time status feedback, and context-aware soft-key menus for immediate access to pipetting parameters.
- Quad-reservoir layout compatibility: four independent liquid source positions reduce reservoir swaps by up to 55% compared to dual-source systems—validated through internal throughput benchmarking using ANSI/SLAS-compliant assay plates.
- Onboard protocol editor supporting nested loops, conditional branching, and variable-based volume definition—enabling reproducible execution of multi-step protocols such as serial dilutions, plate replication, and master mix preparation.
- Electromechanical tip ejection with force-sensing feedback ensures consistent tip release across varying tip types and manufacturer batches, critical for maintaining seal integrity during low-volume transfers.
- Calibration traceability aligned with ISO 8655-2 and ASTM E2758 standards; factory-certified performance verification reports available per unit shipment.
Sample Compatibility & Compliance
The BenchSmart™ 96 handles aqueous buffers, viscous glycerol solutions (up to 50% v/v), serum-containing media, and low-surface-tension solvents (e.g., DMSO, ethanol) when paired with appropriate tip chemistries. It supports both filtered and non-filtered universal-fit tips meeting ISO 8655-5 dimensional tolerances. All operational firmware and data logs comply with ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available). Audit trail functionality—including user login, protocol modification timestamps, and run history—is enabled by default and configurable to meet FDA 21 CFR Part 11 requirements for electronic records and signatures. The system is routinely deployed in laboratories operating under ISO/IEC 17025, CLIA, and GxP frameworks where instrument qualification (IQ/OQ/PQ) documentation packages are required.
Software & Data Management
The embedded operating system runs Rainin’s proprietary LiquidLogic™ firmware, offering local protocol storage (≥200 protocols), version-controlled editing, and USB export of raw log files (.csv) and summary reports (.pdf). No cloud dependency or subscription licensing is required—data remains resident on-device unless explicitly exported. Protocol validation features include dry-run simulation, step-by-step manual override, and real-time volume deviation alerts (>±2% from setpoint triggers visual and audible warnings). For integration into LIMS or ELN ecosystems, ASCII-based serial command sets (RS-232) and Ethernet-enabled RESTful API endpoints are provided in the Developer Kit, supporting bidirectional handshake protocols compliant with ASTM E1384 and HL7 standards.
Applications
- High-fidelity qPCR and RT-qPCR plate setup with low-volume master mix dispensing (0.5–5 µL range).
- Cell-based assay seeding and reagent addition across 96-/384-well formats under sterile laminar flow conditions.
- Automated ELISA plate washing and conjugate addition with programmable dwell times and aspiration thresholds.
- Compound library normalization and cherry-picking from source plates to assay plates using sequential volume mapping.
- Genomic DNA extraction workflow support—including lysis buffer transfer, binding buffer addition, and elution steps—with minimal operator intervention.
- QC/QA testing of pipette calibration standards across ISO 8655-defined volume tiers.
FAQ
Does the BenchSmart™ 96 require external PC software to operate?
No—it operates independently via its onboard touchscreen interface and embedded firmware. A PC is only needed for advanced protocol import/export or firmware updates.
Can I use third-party tips with this system?
Yes, provided they conform to ISO 8655-5 dimensional specifications and exhibit consistent mechanical fit across the designated volume range. Rainin recommends validation prior to routine use.
Is the system compatible with 384-well plates?
Yes—both 96-well and 384-well SBS-standard plates are supported via adjustable deck positioning and Z-height calibration routines.
How is calibration verified and maintained?
Users perform gravimetric verification using certified analytical balances and distilled water at 20 °C. Factory calibration certificates reference NIST-traceable standards; field recalibration intervals follow ISO 8655-6 guidelines (typically every 6 months or after 10,000 cycles).
What safety certifications does the BenchSmart™ 96 hold?
It complies with IEC 61010-1 (Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use) and carries CE marking for the European Economic Area. EMC compliance meets EN 61326-1 Class B requirements.

