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	40 hours at 80℃, 90%RH 100 hours 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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HUM

Product Details