HUM
Relative humidity control
HUM-1
Humidity generator provides constant humidity though feedback control by simply setting the target relative humidity (RH). It is suitable for generating humid gas at a relatively small flow rate of several hundred mL per minute, and is ideal for thermal stability testing, continuous measurements of hygroscopic and dehydration changes in a humid atmosphere.
HUM Features
Type: Divided-flow type (single tank bubbling method), feedback control of dry gas flow by temperature and humidity sensors placed near the test sample
Humidity stability: Within ±2% RH (excluding transient states during setting changes)
HUM Specifications
| Model name | HUM-1 | |
|---|---|---|
| System | Humidity generator | |
| Water vapor generation range | Room temperature to 80℃ dry to 90% RH | |
| Wet gas flow rate | 200 to 500 mL/min | |
| Transfer temperature | Max 110℃ | |
| Water tank temperature | Room temperature to 90℃ | |
| Dry gas flow rate | 0～500 mL/min | |
| Variable stabilization time | Within 10 minutes (when variable 10% RH) | |
| Continuous operating time | Approximately 40 hours or more when use at 60℃ / 90% RH | |
| Variable humidity method | Feedback type humidity control system | |
| Humidity control method | PID control method | |
| Humidity stability | Within ±2% RH | |
| Humidity sensor | Polymer type relative humidity sensor | |
| Temperature measurement element | Pt resistor elements | |
| Gas type | Dry nitrogen | |
| Bubbler capacity | 300 mL | |
| Measurement atmosphere | Air, inert gas, water vapor | |
| Dimensions | 290(W) x 260(H) x 350(D) mm | |
| Mass | 15 kg | |
| Power requirements | 1Ø, AC100 V, 50/60 Hz, 5 A | |
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