Nichipet Air Single-Channel Adjustable Volume Pipette
| Brand | Nichiryo |
|---|---|
| Origin | Japan |
| Model | Nichipet Air |
| Volume Range Options | 0.1–2 µL (Gray), 0.5–10 µL (Pink), 2–20 µL (Beige), 10–100 µL (Orange), 20–200 µL (Yellow), 100–1000 µL (Blue), 500–5000 µL (Green), 1000–10000 µL (White) |
| Increment Resolution | 0.002–10 µL (model-dependent) |
| Operating Principle | Air-displacement positive displacement hybrid mechanism with low-force plunger actuation |
Overview
The Nichipet Air is a high-precision, single-channel adjustable-volume pipette engineered by Nichiryo (Japan) for demanding laboratory environments where reproducibility, ergonomics, and traceable liquid handling performance are critical. Unlike conventional air-displacement pipettes, the Nichipet Air integrates an optimized mechanical transmission system and a low-resistance plunger assembly to minimize actuation force—reducing operator-induced variability associated with repetitive pipetting tasks. Its core operating principle relies on controlled air displacement within a sealed piston chamber, where volume selection is achieved via a finely geared digital dial mechanism that translates rotational input into precise axial piston displacement. This architecture ensures minimal hysteresis, consistent tip seal integrity across multiple tip brands, and stable delivery accuracy under varying ambient temperature and humidity conditions typical of ISO Class 5–7 cleanrooms or regulated QC laboratories.
Key Features
- Ergonomic lightweight design (≤95 g depending on model), reducing hand fatigue during extended use in high-throughput workflows such as ELISA plate preparation or nucleic acid extraction.
- Digital volume setting interface with tactile feedback and position-locking dial—prevents accidental volume drift during transport or benchtop handling.
- Low-force plunger activation (<1.8 N for full stroke at maximum volume), compliant with ISO 8655-2:2022 ergonomic recommendations for manual pipettes.
- Chemically resistant upper housing and corrosion-resistant stainless-steel internal components suitable for use with aqueous buffers, alcohols, and mild organic solvents (e.g., 70% ethanol, isopropanol).
- Interchangeable autoclavable lower assembly (including nozzle and ejector)—validated for up to 10 cycles at 121°C, 2 bar saturated steam per ISO 8655-5.
- Calibration-friendly design with two-point adjustment capability (zero and span) accessible via proprietary calibration tool—supports in-house verification per ISO/IEC 17025 requirements.
Sample Compatibility & Compliance
The Nichipet Air is compatible with standard conical polypropylene pipette tips meeting ISO 8655-3 dimensional tolerances (e.g., universal-fit, filter, and low-retention variants). It maintains volumetric accuracy across viscosity ranges up to 10 mPa·s (e.g., glycerol/water mixtures ≤20% v/v) and surface tensions down to 25 mN/m. All models comply with ISO 8655-1:2022 (general requirements), ISO 8655-2:2022 (performance specifications), and JIS T 1201:2021. Documentation packages include factory calibration certificates traceable to NMIJ/AIST (National Metrology Institute of Japan) and support GLP/GMP audit readiness through optional calibration log templates aligned with FDA 21 CFR Part 11 data integrity principles.
Software & Data Management
While the Nichipet Air operates as a fully manual instrument without embedded electronics or connectivity, its design facilitates integration into digital lab ecosystems. Each unit carries a unique serial number engraved on the housing for asset tracking. Optional accessories include a cloud-synced calibration management module (sold separately) that generates PDF calibration reports with uncertainty budgets, environmental condition logging, and electronic signature fields. When used alongside LIMS platforms such as LabVantage or Thermo Fisher SampleManager, the device supports structured metadata capture—including operator ID, date/time stamp, tip lot number, and calibration due date—via barcode-scannable label sets provided upon request.
Applications
- Quantitative sample dilution in clinical chemistry and immunodiagnostics (e.g., serum creatinine assays, CRP quantification).
- Precision reagent dispensing in cell culture workflows requiring strict serum concentration control (e.g., 10% FBS supplementation).
- Preparation of calibration standards for HPLC and GC analysis, particularly in pharmaceutical stability-indicating methods.
- Genomic applications including qPCR master mix assembly, library normalization in NGS workflows, and CRISPR guide RNA complex formation.
- Environmental testing labs performing EPA Method 525.3 (purge-and-trap GC/MS) sample spiking and internal standard addition.
FAQ
Is the Nichipet Air suitable for use with volatile organic solvents?
Yes—when equipped with solvent-resistant tips and operated within its specified temperature range (15–30°C), it delivers reliable performance with acetone, acetonitrile, and chloroform. However, prolonged exposure to strong oxidizers (e.g., concentrated nitric acid) is not recommended.
Does it require annual recalibration?
Per ISO 8655-6, recalibration frequency depends on usage intensity and risk assessment; most GxP labs schedule biannual verification, while research facilities may extend to 12 months if usage is ≤200 operations/week and environmental controls are maintained.
Can I use third-party tips?
Yes—provided they conform to ISO 8655-3 dimensional standards and exhibit consistent cone geometry; however, accuracy validation using gravimetric testing is advised before deployment in regulated workflows.
What is the warranty coverage?
Nichiryo provides a 24-month limited warranty covering material and workmanship defects under normal laboratory use, excluding consumables and damage from misuse or unauthorized modification.
