BRAND accu-jet® S Electronic Pipette Controller
| Brand | BRAND |
|---|---|
| Origin | Germany |
| Model | accu-jet® S |
| Pipette Type | Single-channel Manual Electronic Controller |
| Volume Range | 0.1–200 mL |
| Max Capacity | 200 mL |
| Accuracy | ISO 8655-compliant performance across full range |
| Power | Rechargeable Li-ion battery (≥8 h continuous operation with 10 mL pipette) |
| Compliance | CE, RoHS, ISO 13485-manufactured components |
Overview
The BRAND accu-jet® S Electronic Pipette Controller is an ergonomically engineered, motor-driven liquid handling instrument designed for precise, fatigue-free aspiration and dispensing of volumes from 0.1 mL to 200 mL using standard graduated or volumetric glass and plastic serological pipettes. Unlike passive bulb or mechanical piston controllers, the accu-jet® S employs a brushless DC motor coupled with a dual-mode fluidic valve system—enabling both gravity-driven drainage (for “TD” – “to deliver” calibrated pipettes) and positive-pressure blow-out (for “TC” – “to contain” calibrated pipettes). Its core architecture integrates real-time motor speed modulation via tactile thumbwheel control, allowing users to dynamically adjust aspiration/dispensing velocity without removing hands from the pipette—critical for sensitive applications such as cell monolayer passaging, density gradient layering, or viscous reagent handling. The device operates independently of compressed air or external power sources during use, delivering consistent flow profiles under variable load conditions while maintaining compliance with ISO 8655-7 requirements for electronic pipette aids.
Key Features
- Ergonomic, balanced hand-held design with textured grip surface and low center of gravity—reducing wrist strain during extended use
- Single-thumbwheel speed control offering seamless transition between rapid bulk aspiration and ultra-fine endpoint dispensing (e.g., meniscus alignment at 0.1 mL increments)
- Dual dispensing modes: programmable gravity drain for TD pipettes and motor-assisted blow-out for TC pipettes—automatically optimized per pipette calibration type
- Integrated stand function: molded rear cradle allows vertical docking of pipette-equipped unit directly onto benchtop—ensuring immediate readiness and minimizing workspace clutter
- Intelligent battery management system with dual-color LED indicator (red/green) and ≥8-hour runtime under continuous 10 mL pipette cycling (per ISO 8655-7 test protocol)
- Chemical-resistant housing with IP54-rated ingress protection; replaceable hydrophobic PTFE filter (0.45 µm) and silicone adapter seals prevent liquid ingress into motor chamber
- Sustainable manufacturing: >90% recyclable packaging; production powered by certified renewable electricity sources
Sample Compatibility & Compliance
The accu-jet® S is validated for use with all Class A and Class B serological pipettes (glass and autoclavable polystyrene) ranging from 0.1 mL to 200 mL, including graduated, Mohr, and Ostwald-Folin types. It meets EN 61326-1 (electromagnetic compatibility), EN 61000-6-3 (emission standards), and conforms to essential health and safety requirements under EU Directive 2014/30/EU (EMC) and 2014/35/EU (LVD). Filter and valve components comply with USP material classification for pharmaceutical contact surfaces. Device firmware supports audit-trail-capable operation when integrated with laboratory information management systems (LIMS) via optional RS-232 output.
Software & Data Management
While the accu-jet® S operates as a standalone analog-controlled instrument without embedded software, its motor control logic incorporates repeatable speed calibration curves traceable to NIST-traceable flow standards. Optional RS-232 interface (available via accessory cable kit) enables time-stamped event logging—including activation count, average cycle duration, and battery state—for GLP/GMP documentation workflows. All firmware updates are delivered through BRANDElectronic’s secure portal and require physical connection to a Windows-based configuration terminal—ensuring data integrity and preventing unauthorized modification per FDA 21 CFR Part 11 Annex 11 principles.
Applications
This controller is routinely deployed in regulated and research-intensive environments including: mammalian cell culture (passaging, media exchange, cryopreservation workflows), clinical diagnostics (serum dilution series, ELISA plate preparation), quality control laboratories performing pharmacopeial assays (USP , EP 2.2.22), and environmental testing labs handling high-viscosity samples (sludge extracts, polymer solutions). Its precision in low-volume (<1 mL) dispensing—particularly with narrow-bore 1 mL pipettes—makes it suitable for micro-scale titration preps and buffer formulation where gravimetric verification is impractical.
FAQ
Can the accu-jet® S be used with non-BRAND pipettes?
Yes—it is fully compatible with any ISO-standard serological pipette (0.1–200 mL) meeting DIN EN ISO 648 or ASTM E969 specifications.
Is sterilization of the unit permitted?
No—autoclaving or chemical immersion is prohibited; only surface disinfection with 70% ethanol or isopropanol is recommended per BRANDElectronic’s maintenance guidelines.
How often must the PTFE filter be replaced?
Under normal usage (≤500 cycles/month), replacement is advised every 6 months or immediately after visible contamination or reduced airflow performance.
Does the device support battery level monitoring during operation?
Yes—the dual-color LED provides real-time status: solid green (≥30% charge), flashing green (10–30%), solid red (<10%), and rapid red pulse (critical discharge).
What regulatory documentation is supplied with each unit?
Each shipment includes EU Declaration of Conformity, ISO 8655-7 test report summary, CE marking certificate, and RoHS compliance statement—all available digitally via BRANDElectronic’s customer portal.
