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| Brand | METER Group, Inc. |
|---|---|
| Origin | USA |
| Model | Aqualab 4TE DUO |
| Measurement Principle | Chilled-Mirror Dew Point |
| Temperature Control | Dual-Zone Peltier (±0.1 °C) |
| Water Activity Range | 0.01–0.98 aw |
| Resolution | 0.001 aw |
| Moisture Content Accuracy | Up to 10× higher than gravimetric methods for hygroscopic matrices |
| Calibration Traceability | NIST-traceable saturated salt standards |
| Data Security | User-access levels, audit trail, password-protected settings |
| Compliance | Supports FDA 21 CFR Part 11, GLP/GMP documentation requirements |
| Sample Equilibration Time | <5 min typical |
| Power | 100–240 VAC, 50/60 Hz |
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