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Digital Calibration Certificate
ValidPTX-2026-004521
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
- Performed
- July 25, 2026
- Next due
- July 25, 2027
- Technician
- M. Alvarez, Lead Metrologist
- 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: No adjustment required.
ISO 8655 measurement results
Gravimetric test at 10%, 50%, and 100% of nominal volume, per ISO 8655-6.
| Test point | Mean measured | Systematic error | Random error (CV) | Result |
|---|---|---|---|---|
| 10% – 2 µL | 2.03 µL | +1.50% / ±5% | 1.10% / ≤2.50% | Pass |
| 50% – 10 µL | 10.06 µL | +0.60% / ±2% | 0.50% / ≤1.20% | Pass |
| 100% – 20 µL | 20.09 µL | +0.45% / ±1.50% | 0.30% / ≤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.
- July 25, 2026Calibrated — passViewing now
M. Alvarez, Lead Metrologist — No adjustment required.
PTX-2026-004521
- July 24, 2025Calibrated — pass
M. Alvarez, Lead Metrologist — Routine annual calibration.
PTX-2025-000208
- July 29, 2024Calibrated — pass
J. Okafor, Calibration Technician — Initial calibration on enrollment.
PTX-2024-000031