Brand Transferpette® S-12 12-Channel Manual Air-Displacement Pipette
| Brand | Brand® |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | S-12 |
| Instrument Type | 12-Channel Manual Pipette |
| Operating Principle | Air-Displacement |
| Volume Accuracy | ±0.1 µL |
| Autoclavable | Yes (121°C, 2 bar, full unit) |
| Tip Compatibility | Universal Standard Tips |
| Calibration | Tool-Free External Adjustment |
| Ergonomic Features | Short Stroke, Balanced Weight, Integrated Finger Rest, 360° Rotatable Lower Assembly |
Overview
The Brand Transferpette® S-12 is a precision-engineered 12-channel manual air-displacement pipette designed for high-throughput liquid handling in microplate-based workflows—particularly 96-well and 384-well formats. Its operating principle relies on controlled piston displacement within an airtight chamber to aspirate and dispense defined volumes of aqueous or low-viscosity biological liquids. Unlike positive-displacement systems, air-displacement architecture offers optimal balance between accuracy, cost-efficiency, and compatibility with standardized conical tips. The S-12 is engineered for reproducible performance across routine molecular biology, immunology, cell culture, and quality control applications where traceability, contamination control, and operator fatigue mitigation are critical operational requirements.
Key Features
- True one-handed operation: All functions—including volume setting, aspiration, dispensing, and tip ejection—are executable without repositioning the hand or altering grip orientation. This design minimizes repetitive strain injury (RSI) risk during extended use.
- Full autoclavability: The entire pipette—including upper housing, plunger mechanism, and lower multichannel assembly—can be sterilized at 121°C under 2 bar saturated steam pressure for 20 minutes. No disassembly is required, ensuring consistent bioburden reduction and compliance with ISO 13485 and GLP laboratory practices.
- Ergonomic optimization: Features include a short stroke length (<10 mm), lightweight polymer construction (<250 g), and an integrated finger rest that supports natural hand suspension—reducing muscular load by up to 40% compared to conventional multichannel designs.
- Tool-free calibration: Internal volume calibration can be adjusted externally via a single rotating dial. A visible red indicator flag automatically deploys when calibration deviates from factory-set parameters, supporting audit readiness per ISO 8655-6 and FDA 21 CFR Part 11 data integrity expectations.
- 360° rotatable lower assembly: Enables angular alignment of the tip array to match plate geometry or user posture—eliminating wrist torsion during parallel transfers into staggered or offset wells.
Sample Compatibility & Compliance
The Transferpette® S-12 accommodates standard conical polypropylene tips (0.1–1000 µL range) from major third-party manufacturers, verified against ISO 8655-3 tip fit specifications. Its air-displacement mechanism ensures reliable performance with aqueous buffers, saline solutions, diluted serum, PCR master mixes, and enzyme-containing reagents (viscosity <10 mPa·s). It is not recommended for viscous, volatile, or highly corrosive liquids without prior validation. The device conforms to ISO 8655 (Pipettes — Part 1: Terms and General Requirements; Part 2: Piston-operated Volumetric Apparatus; Part 6: Calibration and Performance Testing) and supports traceable calibration documentation aligned with ISO/IEC 17025 requirements for accredited laboratories.
Software & Data Management
As a fully manual instrument, the Transferpette® S-12 does not incorporate embedded electronics or connectivity features. However, its mechanical calibration system and external adjustment interface are fully compatible with laboratory-wide pipette management protocols. Users may integrate it into digital calibration logs using LIMS or ELN platforms via manual entry of serial number, calibration date, tolerance verification results, and technician signature—fulfilling GLP/GMP documentation standards. The red calibration alert serves as a visual control point during internal audits and regulatory inspections.
Applications
- High-throughput setup of PCR/qPCR reaction plates (0.5–10 µL range)
- ELISA plate coating and substrate addition (5–50 µL)
- Cell seeding and media supplementation in 96-well culture plates (10–300 µL)
- Serial dilution series generation for dose-response assays
- Quality control testing of raw materials and intermediates in pharmaceutical manufacturing environments
- Genomic library preparation workflows requiring parallel transfer of restriction digests or ligation products
FAQ
Is the Transferpette® S-12 suitable for sterile applications?
Yes—its full-unit autoclavability enables routine decontamination between uses in aseptic cell culture or nucleic acid handling environments.
Can individual channels be serviced without replacing the entire lower assembly?
Yes—the S-12 employs independently replaceable tip cones and piston shafts, reducing long-term maintenance costs and downtime.
Does it comply with international pipette calibration standards?
Yes—it meets ISO 8655 Parts 1, 2, and 6 for mechanical pipettes and supports documented calibration procedures required by ISO/IEC 17025-accredited labs.
What tip brands are compatible?
All ISO-standard universal conical tips (e.g., Eppendorf, Gilson, Thermo Fisher, USA Scientific) are mechanically and functionally compatible.
How often should calibration be verified?
Per ISO 8655-6, verification is recommended before each shift in regulated environments, or at minimum daily for high-precision applications such as qPCR assay setup.
