DLAB dPette+ 8-Channel Electronic Pipette
| Brand | DLAB |
|---|---|
| Origin | Beijing, China |
| Model | dPette+ |
| Type | 8-Channel Electronic Pipette |
| Automation Level | Motorized |
| Volume Range | 0.5–10 µL, 1–20 µL, 5–50 µL, 10–100 µL, 20–200 µL, 100–1000 µL |
| Max Capacity per Channel | 10 µL, 20 µL, 50 µL, 100 µL, 200 µL, 1000 µL |
| Accuracy | ≤ ±0.8% |
| Power Source | Rechargeable Li-ion Battery (dual charging: dock & USB cable) |
| Display | Integrated LCD on handle |
| Calibration | User-performed via USB-connected analytical balance |
| Sterilization | Piston components autoclavable at 121°C, 20 min |
| Programmable Functions | Aspirate/Dispense, Continuous Mixing, Sequential Dispensing |
| Ergonomic Design | Lightweight, low-center-of-gravity housing with dual rotary control knobs |
Overview
The DLAB dPette+ 8-Channel Electronic Pipette is an engineered solution for high-throughput, precision liquid handling in molecular biology, clinical diagnostics, pharmaceutical QC, and academic research laboratories. Designed around a closed-loop stepper motor actuation system, it delivers consistent piston displacement across all eight channels—minimizing inter-channel variability and ensuring volumetric reproducibility under routine operational conditions. Unlike pneumatic or spring-driven manual multichannel pipettes, the dPette+ eliminates user-induced force variation by decoupling volume selection and dispensing action from hand pressure. Its core architecture adheres to ISO 8655-2:2022 principles for piston-operated volumetric apparatus, supporting traceable calibration workflows compliant with GLP and ISO/IEC 17025 requirements.
Key Features
- Eight synchronized channels with independent tip ejection mechanism and uniform plunger travel—ensuring parallel accuracy across full volume ranges.
- Dual rotary control interface: one knob for volume adjustment, another for function selection (aspirate/dispense/mix/sequential), enabling glove-compatible operation without menu navigation delays.
- Integrated backlit LCD display mounted directly on the pipette body—mirroring the visual feedback paradigm of manual pipettes while providing real-time volume, speed setting, battery status, and active mode indication.
- Programmable aspiration and dispensing speeds (3 levels each), critical for viscous reagents (e.g., glycerol-containing buffers), cell suspensions, or volatile solvents where laminar flow control prevents foaming or aerosol generation.
- Autoclavable piston assembly (121 °C, 20 min, saturated steam)—validated per ISO 17664 for reusable medical device reprocessing—enabling full decontamination between experiments without compromising seal integrity.
- Onboard rechargeable lithium-ion battery with ≥1,200 full-cycle lifespan; supports both cradle-based induction charging and direct USB-C charging—eliminating downtime during extended assay runs.
Sample Compatibility & Compliance
The dPette+ accommodates standard conical 10–1000 µL universal-fit tips (including low-retention and filtered variants) and maintains performance across aqueous solutions, PBS, ethanol/water mixtures, and protein-rich media (e.g., DMEM + 10% FBS). It meets EN ISO 8655-5:2022 mechanical durability requirements for electronic pipettes (>50,000 actuations at maximum load) and complies with IEC 61000-4-2 (ESD immunity) and IEC 61326-1 (EMC for laboratory equipment). For regulated environments, its user-calibration protocol—using NIST-traceable analytical balances connected via USB—supports audit-ready documentation aligned with FDA 21 CFR Part 11 (electronic records/signatures) when paired with validated lab information management systems (LIMS).
Software & Data Management
While the dPette+ operates as a standalone instrument without mandatory software dependency, optional firmware updates are delivered via DLAB’s secure web portal using signed .bin files. The calibration log retains timestamps, operator ID (manually entered), balance serial number, and deviation values per volume point—exportable as CSV for integration into ELN or LIMS platforms. No cloud connectivity or remote telemetry is implemented, preserving data sovereignty in GxP environments. Audit trail functionality satisfies GLP Annex 11 and EU GMP Annex 11 prerequisites for electronic record retention.
Applications
- 96-well and 384-well plate filling for ELISA, qPCR master mix preparation, and CRISPR guide RNA complex assembly.
- Parallel serial dilution series in drug discovery screening workflows requiring ≤±0.8% volumetric fidelity.
- Cell culture passaging with precise seeding density control across multiwell formats.
- QC release testing of biologics where volumetric consistency directly impacts potency assay outcomes.
- Automated library normalization prior to next-generation sequencing (NGS) library prep.
FAQ
Is the dPette+ compatible with third-party pipette tips?
Yes—it accepts industry-standard conical tips meeting ISO 8655-3:2022 dimensional tolerances, including low-binding, filtered, and sterile options from major suppliers.
Can calibration be performed in-house without external service contracts?
Yes. Using any USB-enabled analytical balance (≥0.01 mg readability), users execute full calibration across up to six volume points via guided on-screen prompts.
What is the expected battery life per charge under typical usage?
Approximately 8–10 hours of continuous operation (≈6,000–8,000 pipetting cycles) at medium speed settings; battery health monitoring alerts appear at <15% remaining capacity.
Does the device support variable tip spacing for non-standard plate layouts?
No—the fixed 9-mm inter-tip pitch aligns exclusively with ANSI/SLAS microplate footprint standards (e.g., 96-well, 384-well). Adapters for alternate spacing are not available.
How often should the piston seals be replaced?
Under normal use (≤200 cycles/day), DLAB recommends seal replacement every 18 months or after 50,000 actuations—whichever occurs first—as documented in the maintenance log.
