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Digital Calibration Certificate

PTX-2024-000031

Recalibration Due

Rainin Pipet-Lite XLS+ L-20

Air-displacement, variable volume

Serial number
RN-88213047
Channels
1
Volume range
2–20 µL
Registered lab
Coastal Biosciences Inc.
Location
San Diego, CA
Overall result
Pass
Scan to verify
Performed
July 29, 2024
Next due
July 29, 2025
Technician
J. Okafor, Calibration Technician
Standard
ISO 8655-2 / ISO 8655-6
Method
Gravimetric method per ISO 8655-6, 10 replicates per test volume
Reference balance
Sartorius Cubis II MSA, 0.01 mg readability
Conditions
20.8°C · 47% RH · 1013 hPa

Technician notes: Initial calibration on enrollment.

ISO 8655 measurement results

Gravimetric test at 10%, 50%, and 100% of nominal volume, per ISO 8655-6.

Test pointMean measuredSystematic errorRandom error (CV)Result
10% – 2 µL2.05 µL+2.50% / ±5%1.30% / ≤2.50% Pass
50% – 10 µL10.08 µL+0.80% / ±2%0.60% / ≤1.20% Pass
100% – 20 µL20.11 µL+0.55% / ±1.50%0.35% / ≤0.80% Pass

Calibration history

Every past calibration for this instrument is its own permanent certificate — click any entry to see its full measurement data.

  1. July 25, 2026Calibrated — pass

    M. Alvarez, Lead Metrologist — No adjustment required.

    PTX-2026-004521

  2. July 24, 2025Calibrated — pass

    M. Alvarez, Lead Metrologist — Routine annual calibration.

    PTX-2025-000208

  3. July 29, 2024Calibrated — passViewing now

    J. Okafor, Calibration Technician — Initial calibration on enrollment.

    PTX-2024-000031