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| Brand | Hiden |
|---|---|
| Origin | United Kingdom |
| Model | IGAsorp |
| Measurement Principle | Gravimetric (Microbalance-Based Dynamic Vapor Sorption) |
| Sample Capacity | Up to 4.5 g |
| Minimum Sample Mass | ~1 mg |
| Microbalance Resolution | 0.1 µg (at 100 mg range) |
| Long-Term Stability | ±1 µg/week |
| RH Control Range | 0–95% RH |
| RH Accuracy | ±0.1% RH (control), ±1% RH (0–90% RH), ±2% RH (90–100% RH) |
| RH Response Time | <15 s to 90% of step change |
| RH Ramp Rate | 0.1–100% RH/hour |
| Temperature Range | 5–85 °C (ambient-controlled chamber) |
| Temp Stability | ±0.05–±0.1 °C |
| Carrier Gas | Dry air or N₂ |
| Flow Rate | 100–500 mL/min |
| Humidification Reservoir | 200 mL |
| Sample Holders | Borosilicate glass or stainless-steel mesh crucibles |
| Brand | Hiden |
|---|---|
| Origin | United Kingdom |
| Model | IGA |
| Balance Capacity | 1 g (5 g optional) |
| Sample Mass Range | 0–100 mg (0–200 mg with 5 g balance) |
| Mass Resolution | 0.1 µg (0.2 µg with 5 g balance) |
| Mass Stability | ±1 µg (long-term, static), ±0.1 µg (short-term) |
| Vacuum Base Pressure | <1×10⁻⁶ mbar |
| Maximum Operating Pressure | 10 bar (20 bar optional) |
| Pressure Resolution | 1/16,000 of full scale |
| Pressure Accuracy | ±0.02% of full scale |
| Temperature Range | −270 °C to 1000 °C |
| Temperature Resolution/Accuracy | ±1 °C (Type K thermocouple), ±0.01–0.1 °C (PRT) |
| Temperature Response Time | 0.05 s (Type K), 1 s (PRT) |
| Pressure Vessel Certification | ASME Section VIII Div. 1 / BS 5500 Category III |
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