Automatic Purge Control Units -Humodule™
Automatic purge control units work with inert gas such as Nitrogen, Argon or Clean Dry Air (CDA) Source. They are design to automatically control purge system to maintain desired low relative humidity or low Oxygen level in a desiccator, glove box or any other enclosure. Cleatech purge control units reduce inert gas (nitrogen) consumption and cost by 70%.
Purge Control System with RH sensor :
New designed Automatic Purge Control Unit Humodule™ comes in two different configurations: Humodule H (Dehumidification) & C (Dehumidification & Humidification):
Automatic Purge Control Unit with RH sensor- Humodule H a dehumidification system ,capable of measuring and displaying humidity in the range: 0-100%RH, Accurately controls and maintains the RH% on a set point between 5%RH to ambient level (+/- 3% RH) , required compressed dry air or inert gas.
Type S: It’s a single purge unit, it keeps the humidity of enclosure on the set point by purging Nitrogen when the moisture climbs above an adjustable set point. The Nitrogen flow is stopped by a solenoid valve, when the humidity is lower than set point. The input pressure is controlled by the pressure regulator (0 – 30 psi), and the output flow rate by the Flowmeter (0 – 20 SCFH).
Type D: It is a dual purge unit. While inside related humidity level is below set point, the system provides low purge (2-20 Cubic feet per hour) inert gas maintaining positive pressure inside the enclosure in order to have free contaminants and moisture environment. When the moisture climbs above an adjustable set point the system automatically activates high-flow purge (0.5 -30 PSI).
Multi-Channel Purge control Module with RH sensor:
Other Configuration for desiccator cabinets:
In One-channel purge control unit, there is only one humidity sensor which is installed in the lower chamber of multi-chamber desiccators. There are some perforated holes between chambers which connect the chambers together.
For more critical requirements, select the Multi- Channel nitrogen purge control unit. (Available in two to four channel models). For each chamber there is separated sensor and controller. When any door opens the system responses faster to the sudden RH% increase.
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