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Digital Calibration Certificate
Recalibration DuePTX-2023-000891
Gilson PIPETMAN L P200L
Air-displacement, variable volume
- Serial number
- GL-4471029
- Channels
- 1
- Volume range
- 20–200 µL
- Registered lab
- Meridian Diagnostics Lab
- Location
- Austin, TX
- Overall result
- Pass
- Performed
- September 22, 2024
- Next due
- September 22, 2025
- Technician
- R. Chen, Senior 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
- 21.2°C · 44% RH · 1016 hPa
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% – 20 µL | 20.35 µL | +1.75% / ±2.50% | 1.10% / ≤1.50% | Pass |
| 50% – 100 µL | 100.60 µL | +0.60% / ±1.20% | 0.45% / ≤0.70% | Pass |
| 100% – 200 µL | 200.90 µL | +0.45% / ±1% | 0.28% / ≤0.50% | Pass |
Calibration history
Every past calibration for this instrument is its own permanent certificate — click any entry to see its full measurement data.
- September 22, 2025Calibrated — pass
M. Alvarez, Lead Metrologist — Tip cone inspected — no wear detected.
PTX-2025-001188
- September 22, 2024Calibrated — passViewing now
R. Chen, Senior Metrologist
PTX-2023-000891