A&D MPA-10 Single-Channel Electronic Pipette
| Brand | A&D |
|---|---|
| Origin | Japan |
| Model | MPA-10 |
| Pipette Type | Single-Channel Electronic Pipette |
| Volume Range | 0.5–10 µL |
| Accuracy (at 1 µL / 10 µL) | ±4% / ±1% |
| Precision (CV at 1 µL / 10 µL) | 2.5% / 0.4% |
| Power Source | Rechargeable Li-ion Battery (USB Charging) |
| Calibration | User-Accessible Gravimetric and Volumetric Adjustment |
| Operating Modes | Standard Pipetting, Multiple Dispensing, Mixing, Reverse Pipetting |
| Tip Ejection | Spring-Loaded, Tool-Free Installation & Sealing |
| Display | Impact-Resistant LCD with Shock-Absorbing Housing |
| Ergonomics | Low-Actuation-Force Touch Buttons, Optimized Weight Distribution for Reduced Repetitive Strain |
Overview
The A&D MPA-10 Single-Channel Electronic Pipette is an ISO 8655-compliant precision liquid handling instrument engineered for high-reproducibility micro-volume dispensing in regulated laboratory environments. Designed around a closed-loop motor-driven piston system, it delivers consistent aspiration and dispense cycles across its full 0.5–10 µL range—critical for applications demanding trace-level accuracy, including qPCR setup, ELISA assay preparation, mass spectrometry sample dilution, and CRISPR reagent handling. Unlike mechanical pipettes subject to operator-dependent variability, the MPA-10 integrates real-time position feedback and adaptive torque control to minimize volume drift caused by temperature fluctuations, tip elasticity, or user technique differences. Its architecture conforms to GLP/GMP-aligned operational principles, supporting audit-ready documentation through built-in calibration logging and user-accessible parameter traceability.
Key Features
- Four programmable pipetting modes: Standard, Multiple Dispense (up to 99 repeats), Mix (aspirate/dispense cycling within same tip), and Reverse Pipetting—enabling optimal handling of viscous, volatile, or foaming liquids.
- Tool-free, spring-assisted tip attachment ensures uniform sealing pressure across all A&D-compatible low-retention tips (e.g., LTS or universal fit), eliminating manual compression fatigue and reducing tip leakage risk.
- Ergonomic design validated per ISO 5349-1: includes 1.2 N actuation force threshold on touch-sensitive buttons, center-of-gravity optimization at 38 mm from grip base, and non-slip textured housing—reducing median hand muscle activation by 37% compared to conventional electronic pipettes in 8-hour usage simulations.
- Impact-resistant LCD housed in dual-layer polymer casing with silicone bumper integration; withstands 1.2 m drop onto ISO-standard concrete surface without functional degradation.
- Onboard rechargeable lithium-ion battery (1200 mAh) provides ≥1,200 pipetting cycles per charge (at 10 µL, standard mode); USB-C port enables full recharge in ≤90 minutes with power delivery compatibility up to 5 V/2 A.
Sample Compatibility & Compliance
The MPA-10 maintains volumetric integrity across Class I–III liquids per ISO 8655-2:2022 Annex C, including aqueous buffers (PBS, Tris-HCl), glycerol solutions (≤40% v/v), ethanol/water mixtures (20–80%), and protein-rich media (e.g., 10% FBS in DMEM). It supports certified low-binding tips compliant with ASTM E2877-21 for trace analysis and meets IEC 61000-4-2 (ESD immunity) and IEC 61326-1 (EMC for laboratory equipment). All firmware and calibration records adhere to ALCOA+ data integrity principles, enabling compliance with FDA 21 CFR Part 11 when paired with validated LIMS integration protocols.
Software & Data Management
No external software is required for basic operation; however, optional A&D Pipette Manager v3.2 (Windows/macOS) enables encrypted export of calibration logs (date, operator ID, gravimetric deviation, volumetric correction factor), usage statistics (total cycles, mode distribution), and firmware version history. Audit trails are time-stamped, immutable, and support digital signature embedding for 21 CFR Part 11 compliance. Device memory retains ≥500 calibration events with automatic timestamping and user authentication via PIN-based access control.
Applications
- Quantitative nucleic acid dilution for next-generation sequencing library normalization (0.5–2 µL range).
- High-sensitivity immunoassay plate setup requiring sub-microliter precision (e.g., anti-IgE capture antibody spotting).
- Microfluidic device priming and channel filling where dead volume minimization is critical.
- Reference material preparation under ISO/IEC 17025-accredited calibration laboratories.
- Cell-based assay workflows involving limited primary cell suspensions or rare patient-derived samples.
FAQ
Does the MPA-10 support third-party tip brands?
Yes—it accepts universal-fit and LTS-format tips meeting ISO 8655-3 dimensional tolerances; however, A&D recommends using certified low-retention tips for optimal accuracy below 2 µL.
Can calibration be performed without external weights?
Gravimetric calibration requires certified Class E2 weights (per ISO 8655-6); volumetric correction may be applied post-gravimetric adjustment but does not replace traceable weight-based verification.
Is firmware update capability available in the field?
Yes—updates are delivered via USB-C connection using A&D Pipette Manager; each release includes version-controlled changelogs and cryptographic hash validation.
What is the recommended recalibration interval?
A&D advises quarterly calibration for routine QC use; monthly for GLP/GMP-critical applications or after 5,000 operating cycles—whichever occurs first.
How is user authentication managed during calibration?
Calibration initiation requires entry of a 4-digit PIN assigned per authorized operator; all calibration actions are logged with operator ID, timestamp, and pre/post-adjustment deviation values.
