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| Brand | AQUALAB |
|---|---|
| Origin | USA |
| Model | AquaLab TDL 2 |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) at H₂O-specific isotopic absorption line (1368.59 nm) |
| Range | 0.0000–1.0000 aw |
| Resolution | 0.0001 aw |
| Accuracy | ±0.005 aw @ 25 °C |
| Repeatability | ±0.001 aw |
| Temperature Control Range | 15–50 °C |
| Temp. Accuracy | ±0.1 °C |
| Measurement Time | ≤5 min (standard), 1 min (optional rapid mode) |
| Operating Environment | 0–90% RH non-condensing, 4–50 °C ambient |
| Interface | RS-232 & USB |
| Compliance | USP <922>, AOAC Official Method 2014.01, ISO 21807:2022, ASTM F1980-22 |
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